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EXB-10i Library User`s Manual

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1. Continues processing the command 8 20 510601 8 General SCSI Command Operation 8 Unrecoverable Hardware Error Condition Has an unrecoverable mechanical hardware error occurred Note For more information about the unrecoverable hardware error see Section 7 7 NO Go to condition 9 YES See Table 8 7 for command handling Table 8 7 Command handling when an Unrecoverable Hardware error has occurred When an unrecoverable hardware error has occurred the EXB 10i takes the following actions for the indicated command RECEIVE DIAGNOSTIC RESULTS RELEASE D E lt I 7 E Z m m l m m N l a lt INQUIRY LOG SENSE MODE SELECT MODE SENSE MOVE MEDIUM POSITION TO ELEMENT READ ELEMENT STATUS REQUEST SENSE RESERVE SEND DIAGNOSTIC TEST UNIT READY 1 Sets sense data for the existing hardware error 2 Returns Check Condition status Continues processing the command October 1992 8 21 8 General SCSI Command Operation 9 Offline Condition Is the EXB 10i offline NO Go to condition 10 YES The EXB 10i is offline for one or more of the following reasons listed in order of precedence In manual motion control Initializing Front door opened Cartridge holder is missing See Table 8 8 for command handling Table 8 8 Command handling when the EXB 10i is offline 1 Sets sense data for the
2. 13 15 MOVE MEDIUM A5h Table 14 1 Invalid parameters in the MOVE MEDIUM CDB 14 6 POSITION TO ELEMENT 2Bh Table 15 1 Invalid parameters in the POSITION TO ELEMENT CDB 15 5 READ ELEMENT STATUS B8h Table 16 1 Valid element types s es ca adds o hehe de wed eos 4 4 16 2 Table 16 2 Additional Sense Code bytes when the Except bitissettol 16 7 RECEIVE DIAGNOSTIC RESULTS 1Ch Table 17 1 Invalid parameters in the RECEIVE DIAGNOSTIC RESULTS CDB 17 10 RELEASE 17h Table 18 1 Invalid parameters in the RELEASE CDB 02 64544 cocer 18 4 RESERVE 16h Table 20 1 Invalid parameters in the RESERVE CDB 20 8 SEND DIAGNOSTIC 1Dh Table 21 1 Supported pace codes penita ra ER OR 215 Table 21 2 Invalid parameters in the SEND DIAGNOSTIC CDB 21 8 SCSI Cable Requirements Table B 1 SCSI cable requirements for the EXB 10i o o B 2 EXB 10i Error Conditions Table C 1 Sense key descriptions 4 44 ei de 66 eae KS eee ed eee a es C 2 Table C 2 ASC and ASCO values for the Not Ready sense key 2h C 5 Table C 3 Types of hardware errors 35 4 ohn seh ei ae nde dad deeds es C 6 Table C 4 ASC and ASCO values for the Hardware Error sense key 4h C 7 October 1992 xix Table C 5 Hardware errors and corrective actions C 11 Table C 6 ASC and ASCO values for the Illegal Request sense key 5h C 26 Table C 7
3. 0004h Invalid element address You can send more than one Element List Descriptor at a time Add 6 to this field pointer value for all subsequent descriptors In the case where an element address has already been reserved by another initiator none of the elements is reserved Reservation Conflict 18h status is returned to the initiator and the sense key is set to No Sense 0h 20 5 Command Status 20 8 The EXB 10i returns a status byte after processing the RESERVE command This section describes when each type of status byte might be returned Good The EXB 10i returns Good status when it is able to process the command without errors Bus The pad returns Busy status when the EXB 10i is processing a command for a different initiator or when the EXB 10i is in the process of aborting a motion command See Section 7 4 for more information about the Busy condition 510601 October 1992 20 RESERVE 16h Reservation Conflict The EXB 10i returns Reservation Conflict status when m The EXB 10i is reserved by a different initiator An initiator attempts to reserve an element that is reserved by a different initiator An initiator attempts to reserve an element it has already reserved under a different Reservation Identification Check Condition The EXB 10i returns Check Condition status for the following reasons m The message system is enabled and a message error occurs while the EXB 10i
4. Command Data Out Data In Status Message Out Sends a Message Reject message Message In Cmd Complete Goes to bus free phase Message In Disconnect Does not disconnect continues processing the command Message In Restore Ptrs If sent after command phase or data out phase 1 Returns Check Condition status and sets sense data Sense Key Aborted Command Bh ASC SCSI Parity Error 47h ASCQ 0 If sent after data in phase Returns Check Condition status and sets sense data Sense Key Aborted Command Bh ASC Initiator Detected Error Message Received 48h ASCQ 0 Message In Msg Reject Sends a Message Reject message Message In Identify October 1992 Goes to the bus free phase immediately and sets sense data Sense Key Aborted Command Bh ASC Reselect Failure 45h ASCQ 0 7 SCSI Physical Path Communications No Operation 08h The initiator sends the No Operation message to the EXB 10i in response to the EXB 10i s request for a message when the initiator does not currently have a valid message to send The EXB 10i accepts this message and then returns to processing the current command No action is taken in response to the No Operation message Message Parity Error 09h The initiator sends the Message Parity Error message to the EXB 10i to indicate that the last message byte it received had a parity error Table 7 4 shows how
5. Reserved MSB Allocation Length October 1992 Control 17 1 17 RECEIVE DIAGNOSTIC RESULTS 1Ch 17 1 About This Command The RECEIVE DIAGNOSTIC RESULTS command requests that the EXB 10i return analysis data after the SEND DIAGNOSTIC command has completed The RECEIVE DIAGNOSTIC command returns one of the pages specified in the SEND DIAGNOSTIC command sections 17 2 Field Definitions 17 2 This section describes the field in the command descriptor block for the RECEIVE DIAGNOSTIC RESULTS command shown in the table on page 17 1 and the values you can enter Allocation Length Bytes 03 and 04 This field allows you to specify the number of bytes that the initiator will allocate for returned diagnostic data If you do not want diagnostic data to be transferred set this field to 0 A value of 0 in these bytes is not an error The EXB 10i terminates the data in phase either when the number of bytes specified in the Allocation Length field have been transferred or when all available diagnostic data has been transferred to the initiator whichever is less 510601 17 RECEIVE DIAGNOSTIC RESULTS 1Ch 17 3 Supported Diagnostics Page 00h Page Code 00h Reserved Page Length 6h 00h 80h 81h 82h 83h 84h The Supported Diagnostics page contains a list of all supported diagnostic pages Page Length Bytes 02 and 03 The Page Length field specif
6. Disconnect Started Record DISCONNECT STARTED This record indicates that the EXB 10i started a disconnect process It also indicates the initiator ID from which the EXB 10i is trying to disconnect Disconnect End Record DISCONNECT COMPLETE This record indicates that the EXB 10i completed a disconnect process It also indicates the initiator ID from which the EXB 10i disconnected Reconnect Start Record RECONNECT STARTED This record indicates that the EXB 10i started a reconnect process It also indicates the initiator ID the EXB 10i is trying to reconnect to Reconnect End Record RECONNECT COMPLETE This record indicates that the EXB 10i completed a reconnect process It also indicates the initiator ID the EXB 10i reconnected to Unit Attention Record UNIT ATTENTION SET This record indicates that the EXB 10i set the Unit Attention Condition It also indicates the following The ASC The ASCQ The initiator ID for which the Unit Attention was set Timeout Record TIMEOUT OCCURRED This record indicates that the EXB 10i was not able to accomplish a specified data transfer within 200 msec It also indicates the following The phase of the data transfer The number of bytes that were successfully transferred within the 200 msec timeout Initiator ID Servo Record 11 14 MOVE HOME ON Z HOME ON Y PICK PLACE CLOSE CTS DO
7. Amphenol 200 25000 02000 00000 Methode Electronics Inc DM800 08 0 Requirements for Installing a CTS If you will be installing a CTS in the EXB 10i you need the following Three 6 32 x 0 38 crest cup screws included with the EXB 10i 14 inch wide flat blade screwdriver Torque limiting screwdriver T 15 TORX driver bit T 10 TORX driver bit Flat nose wiring pliers if the CTS includes resistor terminators on the back 3 3 3 Installing the EXB 10i 3 2 Moving the Grab Base When the EXB 10i is shipped the grab base on the cartridge handling mechanism CHM is located at the innermost position of the EXB 10i and is secured by a cardboard packing piece To install the cartridge holder you must remove the packing piece and move the grab base to the outermost position To remove the packing piece follow these steps 1 Open the EXB 10i s front door and locate the cardboard packing piece and plastic tie that secures the grab base as shown in Figure 3 1 2 Using wire clippers cut the plastic tie 3 Remove the tie and cardboard packing piece Save the cardboard packing piece with the other EXB 10i packing materials Figure 3 1 Packing piece secured on the grab base 3 4 510601 October 1992 3 Installing the EXB 10i To move the grab base follow these steps 1 Locate the lead screw pulley on the grab base as shown in Figure 3 2 2 Use your finger to rotate the lead screw pulley clockwis
8. m A level surface near a readily accessible outlet WARNING The EXB 10i s primary disconnect device is the power cord plug For this reason install the EXB 10i near an outlet that is readily accessible VORSICHT Die Hauptnetztrennfunktion wird durch den Netzstecker bernommen Aus diesem Grund schliefen Sie bitte das EXB 10i an eine leicht zugangliche Steckdose an m AC power cord supplied with EXB 10i shipped within the United States and Canada Note If you will use an input voltage other than 120 volts AC or if you will use the EXB 10i outside of the United States or Canada you must supply your own power cord For information about the requirements for the power cord refer to Appendix A m EXABYTE 8mm Data Cartridge Holder supplied with the EXB 10i m One to ten EXATAPE 8mm data cartridges or equivalent m Wire clippers m SCSI cable see Appendix B for detailed specifications for this cable m External SCSI bus terminator if the EXB 10i is the last device on the SCSI bus 3 2 510601 October 1992 3 Installing the EXB 10i You must provide your own external terminator To ensure that the EXB 10i performs to specification EXABYTE recommends the following external terminators e Single ended external terminator EXABYTE part number 002201 Amphenol 200 15000 02000 00000 Methode Electronics Inc dataMate DM800 09 0 e Differential external terminator EXABYTE part number 002202
9. Ensure that all cables are connected correctly as specified in step 5 Also make certain that all the connectors on the VMC card are securely connected The VMC card is the card on the chassis wall behind the cartridge holder and above the CTS Important If you installed the CTS yourself you must calibrate the CTS position immediately after you first power on the EXB 10i If you do not the cartridge handling mechanism will not be able to successfully pick and place cartridges Make certain you follow the instructions in Section 3 9 3 21 3 Installing the EXB 10i Replacing the Upper Bezel After mounting the CTS replace the upper bezel To do this follow these steps 1 3 22 Connect the flex cable to the VDISPLAY card located behind the LEDs on the upper bezel shown in Figure 3 9 To do this push the cable into the connector until it is seated squarely against the back of the connector Slide the connector s clip into place ensuring that both sides of the clip are squarely locked and fully seated To check the cable s seating firmly grasp the flex cable and gently pull on it If the cable moves or disconnects from the connector try connecting it again until it is firmly seated Also make certain that the cable is flat against the chassis If it is not gently pull it from the back If the EXB 10i has a cable attached to the base you must connect this ground cable to the upper bezel To do this positi
10. Figure 2 3 shows the back of the EXB 10i EXB10 Switch Maintenance Port AC Power 7 Connection L ower Module Figure 2 3 Back panel components of the EXB 10i 2 6 510601 2 EXB 10i Major Components Fan The EXB 10i includes a cooling fan to reduce the operating temperatures of both the cartridge handling mechanism and the CTS SCSI Connectors Two SCSI connectors are located on the back of the EXB 10i These comnectors enable multiple SCSI devices to be connected in series for daisy chained configurations The connectors can be used to accommodate one cable and an external terminator when the EXB 10i is the terminating device for the SCSI bus Maintenance Port The EXB 10i s maintenance port is located behind a metal plate on the back of the EXB 10i This port enables authorized service personnel to perform simple diagnostic procedures for the EXB 10i and to access the CTS s Monitor maintenance port Using the EXB 10i s maintenance port requires an IBM AT XT or compatible system running a VT 100 terminal emulation program a serial port a 4 pin to 25 pin connector cable available from EXABYTE and if the serial port has 9 pins a 9 pin to 25 pin adapter cable Power Module The EXB 101 s power module includes the AC power connector and the fuse drawer This module provides access to the internal AC power supply that controls power to the EXB 10i and to the enclosed CTS Overcur
11. The fields in the Element Address Assignment page are described below For these field definitions refer to Assigning Element Addresses on page 12 6 and to Figure 12 1 which contains the default element address assignments Page Code Byte 00 Bits 5 through 0 This field identifies the element address assignment parameter list The value of this field must be 1Dh Parameter List Length Byte 01 This field indicates the length of the element address assignment parameter list The valid value for this field is 18 12h which indicates that there are an additional 18 bytes of parameter data that follow this byte Medium Transport Element Address Bytes 02 and 03 This field identifies the address of the cartridge handling mechanism CHM The EXB 10i has only one CHM The default value for this field is 11 OBh Number of Medium Transport Elements Bytes 04 and 05 This field identifies the number of CHMs within the EXB 10i The EXB 10i has only one CHM The value for this field must be 1 First Storage Element Address Bytes 06 and 07 This field identifies the starting address of the data cartridge storage locations The default starting address is 1 Number of Storage Elements Bytes 08 and 09 This field identifies the number of data cartridge storage locations within the EXB 10i The total number of data cartridge storage locations is 10 The valid value for this field must be 10 OAh First Import Export Element
12. The grab base failed to close the CTS door even after several retries The EXB 10i did not stall against the CTS door as expected 47h 48h 49h After several attempts the grab base cannot make one of the moves necessary to close the CTS door 510601 LED Display Appendix C EXB 10i Error Conditions Description 50h The grab base cannot move to the physical position that corresponds to the logical position specified 51h The grab base cannot move to the horizontal axis zero position before starting the vertical axis move 52h The grab base cannot move to the specified vertical position 60h Internal error 61h Invalid nonvolatile RAM 62h The EXB 10i cannot initialize the vertical motion parameters properly 63h The EXB 10i cannot initialize the horizontal motion parameters properly 64h A CHM motion took longer than the maximum time allocated for it When motion functions do not complete in the allocated time the currents to the servo motors are shut off 65h The EXB 10i cannot initialize the SCSI interface hardware October 1992 81h The EXB 10i cannot perform the CTS calibration because the CTS door is closed 82h The EXB 10i cannot perform the CTS calibration because there is a cartridge in the grab base 86h The EXB 10i cannot perform one of the CTS calibration vertical moves 87h The EXB 10i can
13. 3 The EXB 10i checks to make sure the move is a valid If the move is invalid the EXB 10i returns Check Condition status The only invalid move is from the CHM to the CHM 4 Checks to make sure that the CTS door is open if the source or destination element is the CTS 5 Disconnects if allowed If the message system is enabled and the initiator has granted the disconnect privilege the EXB 10i changes to the message in phase and sends a Disconnect message The EXB 10i disconnects from the SCSI bus after the message is accepted by the initiator 14 4 510601 October 1992 10 11 14 MOVE MEDIUM A5h Checks whether there is a cartridge in the grab base If a cartridge is in the grab base the EXB 10i returns Check Condition status if the requested move involves the CHM as a destination or if the CHM should be used to move a cartridge from a slot or CTS to another slot or CTS If a cartridge was not in the grab base the EXB 10i returns Check Condition if the source element was the CHM Performs the move operation The requested operation is performed or a cartridge is moved If the destination is the CTS the EXB 10i will also close the CTS door Checks whether the move resulted in an error The following errors may occur m Source was empty m Destination was occupied m Hardware error occurred during the move Reconnects to the initiator if disconnected If the EXB 10i disconnected from the SCSI bus it at
14. Display Appendix C EXB 10i Error Conditions Description Corrective Action O O O O Description The grab base cannot execute a retry when picking a cartridge from the CTS Corrective Action First check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If you cannot determine the problem contact your vendor Description The grab base cannot complete the move toward the cartridge holder or CTS to pick a cartridge Corrective Action This error may indicate that the cartridge s dust cover is caught in the CTS Check to see if the cartridge is placed halfway out of the CTS If it is manually remove the cartridge and avoid using it in the EXB 10i again If the dust cover does not seem to be the problem check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If you cannot determine the problem contact your vendor Description The grab base cannot move toward the cartridge holder or CTS to pick a cartridge Corrective Action This error may indicate that the cartridge s dust cover is caught in the CTS Check to see if the cartridge is placed halfway out of the CTS If it is manually remove the cartridge and avoid using it in the EXB 10i again If the dust cover does not seem to be the problem check to see if something is blocking the grab base If there is remove the obstruction and reset the E
15. Processes SCSI bus messages Recovers from SCSI bus errors Handles an invalid LUN selection Handles the Busy Not Ready Hardware Error and Unit Attention conditions The EXB 10i supports the following SCSI characteristics SCSI bus parity monitoring Multiple initiator configuration support Single ended or differential electrical interface SCSI Alternative 1 non shielded 50 pin ribbon cable connector SCSI 2 command set 7 1 7 SCSI Physical Path Communications 7 1 Message System The message system allows communication between an initiator and the EXB 10i for physical path management The EXB 10i supports only messages that are one byte in length One or more messages may be sent during a single message phase Table 7 1 lists the supported messages Note For more information about message phases refer to the ANSI Small Computer System Interface 2 SCSI 2 standard Table 7 1 Messages supported by the EXB 10i In Out EXB 10i to Initiator to Initiator EXB 10i Hex Value Description Command Complete Restore Pointers Disconnect Initiator Detected Error Abort Message Reject No Operation Message Parity Error Bus Device Reset Identify Message Sequence When the EXB 10i connects to the SCSI bus the following sequence of events occurs 1 The initiator indicates its ability to accommodate more than the Command Complete message in the selection pha
16. Tis 00 ul 7 4D oeo oa o o obia aod oa goe Eo boa E O Beee eaen tagi oi moe y I N O IID A 1 E a y Figure 3 13 Connectors on the back of the EXB 8500 EXB 8500c October 1992 3 19 3 Installing the EXB 10i 6 After connecting all cables align the mounting holes in the CTS with the three holes in the EXB 10i The mounting holes are shown in Figure 3 14 Push the CTS down so that it is flat on the sheet metal shelf 7 Insert the three 6 32 crest cup screws into the mounting holes on the EXB 10i While using one hand to hold down the CTS so it is flat on the sheet metal shelf use a T 15 TORX driver bit with your other hand to first tighten the two screws on the left side of the EXB 10i and then tighten the screw on the right side Tighten all three screws to 12 inch pounds 13 8 kg cm of torque Figure 3 14 CTS mounting screws left side view 3 20 510601 October 1992 3 Installing the EXB 10i If your EXB 10i has a metal plate that attaches to the inner frame and to the CTS on the right side of the EXB 10i shown in Figure 3 15 tighten the two screws shown by the arrow to 12 inch pounds 13 8 kg cm of torque Figure 3 15 CTS mounting screws right side view 10 Replace the door switch plate and rotate it toward the CTS until it comes in contact with the stop as shown in Figure 3 10 Using a T 15 bit tighten the screw that holds the door switch plate in place to 12 inch pounds 13 8 kg cm of torque
17. a Chapter 6 Added instructions for packing the grab base prior to EXB 10i shipment a Chapter 8 Added general information about the use of SCSI commands a Appendix C Added and deleted error codes a Appendix D Added instructions for calibrating the cartridge sensor position and the eject position vii viii 510601 Contents Part 1 Introduction to the EXB 101 1 General Information 1 1 About the EXB 10i L 12 Use Tms Mandl os oo RAE Mantial Organization esporas a A Intended Audience 1 a L 1 3 Related Publications s e e sarrere rearset ea ated riek aeS 2 EXB 10i Major Components 2 1 Front Panel Components q ai patsa ranas aaa AREA Ee Pe i 2 2 Inside Components os een be es be Ce SOS rara 2 0 Rear Components s s se alu ag 299 a CRED S amp S Part 2 Installing and Operating the EXB 10i 3 Installing the EXB 10i 3 1 RECURSION e ss ee eea ra ae man URE EEESRRRS EERE SEGRE E E Requirements for Installing CTS 2444 204 dee eer oa e eee we a 3 2 Moving he Grab Bas ir oei ea RA A ER A E 3 3 Installing the Data Cartridges oaaao aa a 3 4 Installing the Cartridge Holder s s eo hare RRA EA a 3 5 Installing the Cartridge Tape Subsystem oie acs dae ee eee Re BS Protecting the EXB 10i from Electrostatic Discharge Removing ie Cover wie sk ee ERR AA BED SH Removing tie Upper Bezel soss eee A Bie ee eae eo aw ES Mounting the CUS in the EXB 10i 2454 0 85 e2 esse oS 4a ede a
18. disable option October 1992 13 13 13 MODE SENSE 1Ah 13 9 Command Execution This section describes the steps that the EXB 10i follows when executing the MODE SENSE command These steps occur after the EXB 10i has been selected and has successfully received the CDB and there are no conditions present that prevent the command from being executed Refer to Section 8 6 for a complete list of conditions that the EXB 10i checks while it is receiving and after it has received the CDB from the initiator Note The following steps describe the normal processing of the command through the bus free phase If the message system is enabled additional errors and processing can occur anytime the EXB 10i responds to ATN with a message out phase Refer to Section 7 1 for more information about the message system and possible error conditions The EXB 10i takes the following actions to finish processing the command 1 Checks the parameters in the CDB The EXB 10i checks the parameters in the CDB for valid values If any of the parameters in the CDB are invalid the EXB 10i returns Check Condition status and sets the sense data as shown in Table 13 1 2 Sends Mode Sense data to the initiator If the parameters are valid the EXB 10i changes to the data in phase and sends the requested number of bytes of Mode Sense data to the initiator 3 Sends appropriate status to the initiator The EXB 10i goes to the status in phase and retu
19. m State of the EXB 10i hardware 11 2 Field Definitions This section describes the fields in the command descriptor block for the LOG SENSE command shown in the table on page 11 1 and the values you can enter for each PPC Parameter Pointer Control Byte 01 Bit 1 The value for the PPC field must be 0 This directs the EXB 10i to begin with the parameter code specified in the Parameter Pointer field and return the number of bytes specified in the Allocation Length field in ascending order of parameter codes from the specified log page If both the PPC bit and the Parameter Pointer field are set to 0 the EXB 10i returns all available log parameters for the specified log page to the initiator SP Saved Parameters Byte 01 Bit 0 The value for the SP field must be 0 This indicates that the EXB 10i will perform the LOG SENSE command and will not save any log parameters PC Page Control Byte 02 Bits 6 and 7 The value for the PC field must always be set to 01b This indicates that the EXB 10i will always return the cumulative values for any log parameter requested The EXB 10i does not support any threshold values or default cumulative values 11 2 510601 October 1992 11 LOG SENSE 4Dh Page Code Byte 02 Bits 0 through 5 The Page Code field allows you to identify which page of data is being requested The value for this field must be one of the values specified in Table 11 1 If it is not the EXB 10i terminat
20. After the EXB 10i successfully sends the Restore Pointers message to the initiator EXB 10i restarts the command data in data out or status phase from the beginning Disconnect Message 04h The EXB 10i issues a Disconnect message to inform an initiator that the present physical path will be broken the EXB 10i will disconnect by releasing BSY and that a later reconnection is required to complete the current operation By not sending this message or the Command Complete message before going to the bus free phase other than as a result of the reset condition or Abort message the EXB 10i indicates that a catastrophic error condition has occurred on the current command This message should not cause the initiator to save the data pointer Initiator Detected Error 05h The initiator sends the Initiator Detected Error message to inform the EXB 10i that an error has occurred and that the target should retry the last phase The source of the error may either be related to previous activities on the SCSI bus or may be internal to the initiator and unrelated to any previous SCSI bus activities Table 7 2 shows how the EXB 10i handles the Initiator Detected Error message during different message phases 7 SCSI Physical Path Communications Table 7 2 Handling of Initiator Detected error message If an Initiator Detected Error message is received during this phase The EXB 10i takes the following action Command Re
21. Description The grab base cannot find the cartridge sensor or the horizontal home sensor while it moves on the horizontal axis This error may indicate a malfunction in the horizontal motion assembly Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor Description Internal error Corrective Action Contact your vendor Description Internal error XOO0OO OX COO Corrective Action Contact your vendor October 1992 C 23 Appendix C EXB 10i Error Conditions Top Bottom LED LED Description Corrective Action Display Display O x Description The grab base cannot move to the start position for the O eject position calibration Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor Description The grab base cannot execute a move that prepares for the eject position calibration Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor Description The solenoid did not eject Corrective Action The solenoid is malfunctioning Contact your vendor Description The grab base cannot move to the start push in
22. If you removed a data cartridge from the CTS in step 2 replace it and close the CTS door Or If the CTS s door was open when you started this procedure leave it open Close the EXB 10i s door After a one second delay the EXB 10i will resume operating Note For further information about using the cleaning cartridge for the CTS refer to the user s manual for your CTS 5 5 5 Maintaining the EXB 10i 5 2 Manually Moving the Grab Base This section describes how to manually move the EXB 10i s grab base on the cartridge handling mechanism CHM You may need to do this if you want to access the CTS or the data cartridge holder if the EXB 10i fails Moving the Grab Base Up and Down You can move the grab base up and down by either using your fingers to rotate the vertical belt at the base of the EXB 10i or by removing the cover and using a flat blade screwdriver to turn the vertical lead screw at the top of the EXB 10i WARNING Before moving the grab base with the vertical lead screw be sure that the power switch is in the off position and the power cord is disconnected from the EXB 10i In addition to avoid damaging the EXB 10i when the cover is removed be sure that the work area is free of conditions that could cause electrostatic discharge ESD Refer to Protecting the EXB 10i from Electrostatic Discharge in Chapter 3 for instructions VORSICHT Bevor Sie einen der folgenden Schritte aus
23. check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i Next recalibrate the cartridge sensor position as described in Appendix D If the error still displays contact your vendor C 22 510601 Appendix C EXB 10i Error Conditions Top Bottom LED LED Description Corrective Action Display Display a Description The CHM cannot move to the horizontal zero position after completing the cartridge sensor calibration Corrective Action First check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i Next recalibrate the cartridge sensor position as described in Appendix D If the error still displays contact your vendor Description Internal error Corrective Action Contact your vendor You may need new firmware Description The EXB 10i has completed cartridge sensor calibration and is now waiting for you to remove the calibration block O OOO O Corrective Action Remove the calibration block Description The grab base cannot move to the cartridge sensor to determine whether a cartridge exists in the grab base This error may indicate a malfunction in the horizontal motion assembly O O O O O O O Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor
24. it reports Check Condition status to the initiator after the reconnect process For specific situations that return Check Condition status refer to the command descriptions in Chapters 10 through 22 Bus The O returns Busy status to any initiator that sends a command other than INQUIRY or REQUEST SENSE when the EXB 10i is waiting for a SCSI motion process to be aborted or while it is disconnected from the SCSI bus and is processing a MOVE POSITION TO ELEMENT or SEND DIAGNOSTIC command A motion process is aborted in response to an Abort message from the initiator that requested the motion command The motion process must be completely aborted before the EXB 10i will process commands other than INQUIRY and REQUEST SENSE Reservation Conflict The EXB 10i returns Reservation Conflict status to indicate that either the entire unit or the elements requested to be accessed are currently reserved by another initiator This status is reported until the initiator that reserved the unit or elements issues a RELEASE 17h command or a reset condition occurs October 1992 8 9 8 General SCSI Command Operation 8 6 General Command Processing 8 10 This section describes the conditions that are checked and the errors that can occur after the EXB 10i has been selected by the initiator A certain sequence of events occurs when the EXB 10i receives every command This sequence of events is referred to as general command processing The p
25. single ended SCSI terminators for 3 3 static protection requirements 3 10 status byte command status 8 8 status checking 8 10 to 8 23 stopping EXB 10i operations 4 17 T ten pack See data cartridge holder terminators for SCSI bus 3 2 TEST UNIT READY 00h command description of 22 1 to 22 4 execution of 22 2 status reporting for 22 3 U Unit Attention sense key C 28 unsupported messages EXB 10i handling of 7 16 user options 4 6 510601
26. the state of the part is on If this field is 0 the state of the part is off m A string that describes an EXB 10i history event The following sections describe all log parameters that the EXB 10i supports 510601 11 LOG SENSE 4Dh Supported Log Page Page Code 00h The Supported Log Page lists all log pages that the EXB 10i supports The format for this log page is shown below Reserved Page Code 00h Reserved Page Length 4h 00h Supported Log Page 30h System Statistics Log Page 31h State Log Page October 1992 32h History of Event Log Page System Statistics Log Page Page Code 30h The System Statistics Log page returns EXB 10i system statistics which include the number of picks places moves close CTS doors homes executed and retry counts The EXB 10i keeps the following statistics in nonvolatile RAM and remembers them over power cycles Number of picks Number of places Number of moves of the vertical axis Number of CTS door closes Number of homes on the horizontal axis Number of homes on the vertical axis Minutes the EXB 10i has been powered on All remaining statistics are reset whenever one of the following occurs The EXB 10i is turned off and then on power cycle The SCSI bus is reset A Bus Device Reset message is received from the SCSI bus The EXB 10i is reset by the SEL and INCR switches 11 LOG SENSE 4Dh Saved EXB 10i St
27. 10i Error Conditions Not Ready Sense Key 2h The EXB 10i returns a sense key of Not Ready 2h to the initiator in the following situations If the EXB 10i door is open If the EXB 10i data cartridge holder is missing When the EXB 10i is performing a power on self test When the EXB 10i is in manual motion control When the EXB 10i is executing diagnostics through the maintenance port During a Not Ready condition the EXB 10i returns Check Condition status in response to each motion command until the Not Ready condition is removed During this time the sense key is set to Not Ready and the ASC and ASCQ are set to codes specifying why the EXB 10i is not ready All commands other than motion commands perform normally Table C 2 lists Not Ready sense key 2h error conditions Table C 2 ASC and ASCQ values for the Not Ready sense key 2h ASCQ byte 13 LED Display Description 85h 5h The EXB 10i door is open 86h 6h The EXB 10i cartridge holder is missing 89h The EXB 10i is in manual motion control or is executing m diagnostics through the maintenance port 8Ch October 1992 Ch The EXB 10i is performing a power on self test POST Appendix C EXB 10i Error Conditions Hardware Error Sense Key 4h The EXB 10i returns a sense key of Hardware Error 4h when a hardware related error occurs Table C 3 provides a general description of hardware error types Table C 3 Ty
28. 10i follows when executing the MODE SELECT command These steps occur after the EXB 10i has been selected and has successfully received the CDB and there are no conditions present that prevent the command from being executed Refer to Section 8 6 for a complete list of conditions that the EXB 10i checks while it is receiving and after it has received the CDB from the initiator Note The following steps describe the normal processing of the command through the bus free phase If the message system is enabled additional errors and processing can occur anytime the EXB 10i responds to ATN with a message out phase Refer to Section 7 1 for more information about the message system and possible error conditions The EXB 10i takes the following actions to finish processing the command 1 Checks the parameters in the CDB as follows m If any of the parameters in the CDB are invalid the EXB 10i skips to step 7 returns Check Condition status to the initiator and sets the sense data as shown in Table 10 1 m Ifthe Allocation Length is set to 0 the EXB 10i skips to step 7 returns Good status and clears the sense data 2 Receives MODE SELECT data from the initiator If the parameters in the CDB are valid the EXB 10i changes to the data out phase and receives the specified number of bytes of MODE SELECT data 3 Checks the parity of the mode select data If the EXB 10i detects a parity error while receiving the mode select data the
29. 2Bh 4Dh A5h Bah Command TEST UNIT READY 6 bytes REQUEST SENSE 6 bytes INITIALIZE ELEMENT STATUS 6 bytes INQUIRY 6 bytes MODE SELECT 6 bytes RESERVE 6 bytes RELEASE 6 bytes MODE SENSE 6 bytes RECEIVE DIAGNOSTIC RESULTS 6 bytes SEND DIAGNOSTIC 6 bytes POSITION TO ELEMENT 10 bytes LOG SENSE 10 bytes MOVE MEDIUM 12 bytes READ ELEMENT STATUS 12 bytes Discussed in Chapter 22 Chapter 19 Chapter 9 Chapter 10 Chapter 12 Chapter 20 Chapter 18 Chapter 13 Chapter 17 Chapter 21 Chapter 15 Chapter 11 Chapter 14 Chapter 16 Chapters 9 through 22 contain detailed descriptions of the SCSI commands supported by the EXB 10i The commands are arranged in alphabetical order with each command starting a new chapter For ease of reference the command name and OP code are included in the header at the top of each page 510601 8 General SCSI Command Operation 8 2 Using EXB 10i SCSI Commands The EXB 10i s message system and command set allow you to design and implement an EXB 10i driver that can do the following m Set various operating parameters Move data cartridges among the storage locations slots in the data cartridge holder and the CTS m Reserve EXB 10i elements including the storage locations the CTS and the cartridge handling mechanism CHM Inquire about the status of a specific operation m Perform diagnostic tests to make sure the EXB 10i is functionin
30. 3 11 Installing he CIS cee cocs A e o Pee ee SS 3 17 Figure 3 12 Connectors on the back of the EXB 8200 EXB 8200SX 3 19 Figure 3 13 Connectors on the back of the EXB 8500 EXB 8500c 3 19 Figure 3 14 CTS mounting screws left side view o o o o 3 20 Figure 3 15 CTS mounting screws right side view o 3 21 Figure 3 16 SCSI connectors and SCSI ID switches on the EXB 10i 3 24 Figure 3 17 LEDs on the front of the EXB 10i for EXB 10i code 2 6 and above 3 28 Operating the EXB 10i Figure 4 1 LEDs on the front of the EXB 10i o o 4 4 Figure 4 2 User options for EXB 10i code levels 2 6andup 4 6 Figure 4 3 Setting user OPUONS ect a 54 268 Ga be pe ee eee EEE Ses 4 12 Maintaining the EXB 10i Figure 5 1 Moving the grab base cover and upper bezel not shown 5 7 Figure 5 2 Moving the grab base in and out ooo ooo 5 8 Figure 5 3 Moving the door switch plate lt o o 5 10 Figure 5 4 CTS screws right side view oaao 844 5 4 os 5 11 Figure 5 5 Location of CTS mounting screws sooo 5 12 xvi 510601 Figure 5 6 Removing the fuse drawer on the back of the EXB 10i 5 13 Packing and Shipping the EXB 10i Figure 6 1 Moving the grab base to its shipping position o o 6 3 Figure 6 2 Packing the grab base 73 ca ee REA ARA 6 4 Figure 6 3 Packing the EXD Wis eka Gaede
31. 3 Replacing Serviceable Parts October 1992 This section describes how to replace the following parts EXABYTE 8mm Cartridge Tape Subsystem CTS Fuse 1 6 amp 250 volt 5 20 mm slow blow All other parts can be serviced only by EXABYTE Corporation or by authorized service personnel Replacing the CTS Replacing the CTS involves the following actions Removing the cover Removing the upper bezel Moving the grab base out of the way of the CTS if necessary Removing the CTS from the EXB 10i Installing the new CTS Replacing the upper bezel Replacing the cover Calibrating the CTS position WARNING Before performing any of the following steps be sure that the power switch is in the off position and the power cord is disconnected from the EXB 10i In addition to avoid damaging the EXB 10i when the cover is removed be sure that the work area is free of conditions that could cause electrostatic discharge ESD Refer to Protecting the EXB 10i from Electrostatic Discharge in Chapter 3 for instructions VORSICHT Bevor Sie einen der folgenden Schritte ausf hren stellen Sie bitte sicher daB der Netzschalter ausgeschaltet und das Netzkabel vom EXB 10i getrennt ist 5 9 5 Maintaining the EXB 10i To replace the CTS follow these steps 1 Remove the EXB 10i s cover as described in Removing the Cover beginning on page 3 11 Remove the EXB 101 s upper bezel as described in Removi
32. Address Bytes 10 and 11 This field identifies the address of the Entry Exit Port Since the EXB 10i does not have an Entry Exit Port the value for this field must be 0 Number of Import Export Elements Bytes 12 and 13 This field identifies the total number of data cartridge storage locations used for importing and exporting data cartridges to from the data cartridge storage area Since the EXB 10i does not have an Entry Exit Port the value for this field must be 0 12 5 12 MODE SELECT 15h First Data Transfer Element Address Bytes 14 and 15 This field identifies the address of the installed CTS The EXB 10i can have one Data Transfer Element The default starting address is 0 Number of Data Transfer Elements Bytes 16 and 17 The EXB 10i can have one CTS installed The value of this field must be 1 Assigning Element Addresses 12 6 An element is a physical location in the EXB 10i There are three element types the CHM data cartridge slots and the CTS Each element requires an address so that it can be identified by a SCSI command The EXB 10i has default addresses assigned to each element as shown in Figure 12 1 If you want to change the default addresses of these elements use the Element Address Assignment page In this page you assign a starting address for each element type CHM data cartridge and CTS and then specify the total number of elements of that type Consequently the element addresses fo
33. C EXB 10i Error Conditions LED Display Description 28h The grab base has moved away from the cartridge holder or the CTS but did not place the cartridge The cartridge is still in the grab base 29h 2Ah The grab base cannot execute one of the moves that ejects the cartridge 2Bh The grab base cannot retract the horizontal zero position after it discovered a conflicting cartridge in the cartridge holder or CTS 2Ch The grab base tried to place a cartridge into the CTS but the CTS door was closed 2Dh The grab base cannot move towards the cartridge holder to place a cartridge into either slots 1 through 5 or slots 7 through 10 30h 31h 32h 33h 34h The grab base cannot complete a procedure that allows it to define zero on the horizontal axis 35h 36h 37h 38h The grab base cannot complete a procedure that allows it to define zero on the vertical axis C 8 41h The grab base cannot move to the vertical axis position where it starts pushing against the CTS door to close it 42h The grab base cannot move to the horizontal axis position where it starts pushing against the CTS door to close it 43h The grab base cannot close the CTS door 44h The grab base cannot move to the horizontal zero position after closing the CTS door 45h The grab base cannot close the CTS door even after several retries 46h
34. EXB 101 s response depends on whether the message system is enabled as follows m Ifthe message system is enabled the EXB 10i receives all of the mode select data then changes to the message in phase and sends a Restore Data Pointers message After the initiator accepts the message the EXB 10i restarts the data in phase to get the mode select data again 12 10 510601 October 1992 12 MODE SELECT 15h m If the message system is not enabled the EXB 10i returns Check Condition status after all of the data has been received The sense data is set as follows Sense Key Aborted Command Bh ASC Parity Error 47h ASCQ 0 Checks the parameters in the mode select data If the mode select data is successfully received from the initiator then the EXB 10i checks the reserved fields and parameters in the data If it detects any errors in the mode select data it returns Check Condition status and sets the sense data as shown in Table 10 1 Loads new mode select parameters If the mode select data is valid the EXB 10i determines if any mode select parameters are changed as a result of the new data and then copies the new parameters over the current mode select settings and if requested the saved mode select settings Sets Unit Attention for other initiators If the mode select parameters are changed as a result of this command a pending Unit Attention is assigned to every other initiator indicating that the mode select para
35. EXB 10i returns Good status when it is able to process the command without errors Bus The ae returns Busy status when the EXB 10i is processing a command for a different initiator or when the EXB 10i is in the process of aborting a motion command See Section 7 4 for more information about the Busy condition Reservation Conflict The EXB 10i never returns Reservation Conflict status for the RELEASE command 510601 October 1992 18 RELEASE 17h Check Condition The EXB 10i returns Check Condition status for the following reasons The message system is enabled and a message error occurs while the EXB 10i is processing the command The EXB 10i detects a parity error while receiving the CDB and the message system is not enabled The command is issued to an invalid LUN A Unit Attention condition is pending for the initiator A reserved bit is set to 1 in the CDB A parameter in the CDB is invalid Note Refer to Appendix C for a complete list of errors and the sense data returned for each 18 RELEASE 17h Notes 18 6 510601 19 REQUEST SENSE 03h 6 5 2 0 0 0 Logical Unit Number Reserved Reserved Reserved Number of Bytes Allocated Control October 1992 19 1 19 REQUEST SENSE 03h 19 1 About This Command The REQUEST SENSE command requests that the EXB 10i transfer sense data to the initiator The EXB 10i provides sense data in only the
36. Error Code 70h extended sense data format The EXB 10i returns a total of 18 bytes of sense data to the initiator The sense data is constructed and saved on a per initiator and requested LUN basis The EXB 10i preserves sense data for all initiators until the data is retrieved by the REQUEST SENSE command or until the EXB 10i receives any other command for the same initiator target LUN I_T_L nexus Sense data is available under the following circumstances m The previous command to the specified I_T_L nexus terminated with Check Condition status m The previous command to the specified I_T_L nexus terminated with an unexpected bus free error m The REQUEST SENSE command was issued to an unsupported LUN In this case the EXB 10i does not return Check Condition and returns the following sense data Sense key Illegal Request 5h ASC Logical unit not supported 25h ASCQ 0 If no sense data is available for the specified I_T_L nexus the EXB 10i returns the following sense data Sense key No Sense 0h ASC No additional sense information 00h 19 2 510601 19 REQUEST SENSE 03h 19 2 Field Definitions The field in the command descriptor block for the REQUEST SENSE command shown in the table on page 19 1 is described below Number of Bytes Allocated Byte 04 This field allows you to specify the number of bytes that the initiator has allocated for returned sense data The EXB 10i provides a total of 18 12h byt
37. Picks from CTS that required 2 retries Picks from CTS that required 3 retries Picks from CTS that required 4 retries Horizontal Axis Corrections October 1992 11 9 11 LOG SENSE 4Dh State Log Page Page Code 31h When you request the State Log page the EXB 10i returns log parameters that indicate the current state of the EXB 10i hardware EXB 10i Sensors Log Parameters Log parameter codes 00 through 07 indicate the state of the EXB 10i sensors For each sensor in the EXB 10i there is a corresponding log parameter The values of the log parameter indicate whether the sensor is on or off The Parameter Value field contains a 1 if the sensor corresponding to the log parameter is on or it contains a 0 if the sensor corresponding to the log parameter is off Table 11 4 indicates the value of the Parameter Code Parameter Length DU DS TSD ETC TMC and LP fields in the log parameter Table 11 4 Log parameters for EXB 10i sensors Log Parameter Control Byte Log Parameter Parameter Parameter Function Code DS TSD ETC TMC Length Cartridge Present 0 1 0 0 0 Sensor Data Cartridge Holder Sensor CTS Door CHS Door Select Switch Increment Switch Y Home Sensor Z Home Sensor 11 10 510601 EXB 10i Mechanism Position Log Parameters 11 LOG SENSE 4Dh Log parameter codes 100 and 101 indicate the physical pos
38. Table 20 1 Receives element descriptor data from the initiator The EXB 10i changes to the data out phase and receives the specified number of bytes of element descriptor data Checks parity on the element descriptor data If the EXB 10i detects a parity error while receiving the element descriptor data it responds as follows m If the message system is enabled the EXB 10i receives all of the data and then changes to the message in phase and sends a Restore Data Pointers message After the message is accepted by the initiator the EXB 10i restarts the data in phase to receive element descriptor data again m Ifthe message system is not enabled the EXB 10i waits until all of the data has been received from the initiator and then skips to step 8 returns Check Condition status sets the sense key to Aborted Command Bh and sets the sense data to Parity Error Checks the parameters in the descriptor data After the descriptor data is successfully received from the initiator the EXB 10i checks the reserved fields and parameters for valid values and checks for invalid reservation overlap If a reserved field or parameter is invalid the EXB 10i skips to step 8 returns Check Condition status and sets the sense data as shown in Table 20 1 If there is an invalid reservation overlap the EXB 10i skips to step 8 returns Reservation Conflict status and clears the sense data Note An invalid reservation overlap occurs if a request
39. The initiator sends an Identify message with an LUN of 0 and does not send an Abort message or Bus Device Reset message during the first message out phase The EXB 10i determines that the selection is invalid at the end of the first message out phase The same initiator selects the EXB 10i without ATN The EXB 10i receives the CDB bytes to determine the selected LUN If the LUN is 0 the EXB 10i detects that the selection is invalid following the command phase As soon as the EXB 10i determines that the current selection is invalid the EXB 10i takes the following action 1 The sense data is set as follows Sense Key Aborted Command Bh ASC Overlapped Commands Attempted 4Eh ASCQ 0 7 24 510601 7 SCSI Physical Path Communications 2 The EXB 10i returns Check Condition status 3 The EXB 10i aborts the command it was processing Selected Without an Initiator ID If the EXB 10i is selected without the initiator s ID on the bus then it cannot disconnect from the SCSI bus because it does not know which initiator to reconnect to during reselection The EXB 10i has space allocated for eight sets of sense data allowing it to preserve sense data for up to seven initiators and for the EXB 10i itself The EXB 10i retrieves the sense data based on the initiator ID when a REQUEST SENSE 03h command is issued The space that is set aside for the EXB 10i is not used for EXB 10i sense data but is used to save sense data created
40. a OA ee ee ERE ER a 6 6 General SCSI Command Operation Figure 8 1 Default element address assignments o ooo 8 4 Figure 8 2 How the EXB 10i handles errors during the Command phase 8 15 SCSI Cable Requirements Figure B 1 Calculating SCSI cable length for daisy chained EXB 10i s B 3 Calibrating the Cartridge Sensor and Eject Position Figure D 1 User options on the EXB 10i 2 ccc as os 2 osas rra D 3 October 1992 xvii Tables Installing the EXB 10i Table 3 1 Steps for installing the EXB 10i 22 Se ea Ce ED ERE AEE ES 3 1 SCSI Physical Path Communications Table 7 1 Messages supported by the EXB 101 o o o 7 2 Table 7 2 Handling of Initiator Detected error message 7 6 Table 7 3 Handling of Message Reject message o oo 7 9 Table 7 4 Handling of Message Parity Error message o oo 7 10 Table 7 5 EXB 10i action when the First Identify message is valid 7 12 Table 7 6 Handling of valid Identify Message with the same LUN as for the First identify message sirenas da rara 7 13 Table 7 7 Handling of Invalid Identify message with different LUN 7 14 Table 7 8 Handling of Invalid Identify message with Reserved bits 3 4 or5set 7 15 General SCSI Command Operation Table 8 1 EXB 10i command set 54 6 en tk ae elle a he ea Kee ee 8 2 Table 8 2 Status byte descriptions 26 sss ee eee ee ee eee er 0 8 8 T
41. and the PF bit is set to 1 the EXB 10i will return Check Condition status with a sense key of Illegal Request and an additional sense code of Invalid Field in CDB 21 3 SEND DIAGNOSTIC Parameter List When the PF bit is set to 1 in the SEND DIAGNOSTIC command the parameter list consists of a diagnostic page The data returned by the subsequent RECEIVE DIAGNOSTIC RESULTS command will use the diagnostic page format described in SCSI 2 The EXB 10i only accepts a single diagnostic page per SEND DIAGNOSTIC or RECEIVE DIAGNOSTIC RESULTS command Each diagnostic page defines a function or operation that the EXB 10i will perform The SEND DIAGNOSTIC command uses these pages to request a particular diagnostic operation the RECEIVE DIAGNOSTIC RESULTS command is used to obtain the results of that diagnostic operation The format of a send diagnostic page is as follows Page Code Reserved Page Length 0 21 4 510601 21 SEND DIAGNOSTIC 1Dh Page Code Byte 0 The Page Code field indicates what kind of diagnostics should be performed for the SEND DIAGNOSTIC command The EXB 10i supports the page codes shown in the table below Table 21 1 Supported page codes Page Code 00h 80h 81h 82h 83h 84h October 1992 Description Returns a list of all diagnostic page codes the EXB 10i implements Performs a CTS calibration See Chapter 4 for more information about the CTS calibration option Per
42. base The grab base could not successfully pick and place a cartridge during a SEND DIAGNOSTIC self test Either the sensor that detects whether there is a cartridge in the grab base is malfunctioning or there were no cartridges in the data cartridge holder An internal target failure occurred Contact your vendor for assistance The grab base cannot pick the cartridge from the CTS The grab base cannot move toward the cartridge holder or CTS to pick a cartridge The grab base could not execute motions necessary to pick the cartridge from the CTS The grab base was unable to pick a cartridge The cartridge inventory indicates the location is full The grab base was unable to pick a cartridge from the CTS because the CTS door is closed The grab base was unable to place the cartridge back in the source after a pick failure The grab base was unable to place the cartridge back in the source after a place failure The grab base cannot move upward to start the place procedure The grab base cannot move toward the cartridge holder or the CTS while executing a place procedure The grab base cannot move downward to the CTS while executing a place procedure The grab base cannot move to a position where it can place a cartridge into the cartridge holder or the CTS The grab base cannot execute one of the moves that ejects the cartridge October 1992 C 7 Appendix
43. cartridge handling mechanism CHM processes cartridges by moving from the bottom to the top of the data cartridge holder When the EXB 10i processes a cartridge it does the following 1 Picks the cartridge from the cartridge holder 2 Places the cartridge in the CTS 3 Closes the CTS door 4 Moves to the park position and waits until the door reopens 5 Retrieves the cartridge from the CTS 6 Returns the cartridge to its original slot in the cartridge holder If the CHM encounters an empty slot the EXB 10i tries to process the next cartridge in the data cartridge holder When all cartridges in the data cartridge holder have been processed you can use the loop or restart options to program the EXB 10i to either cycle back to the bottom automatically or wait for operator intervention before restarting operations Instructions for setting the loop and restart options are in Section 4 3 If you want to interrupt the EXB 10i s sequential processing you can use the select feature to specify which data cartridge the EXB 10i will process next discussed in Section 4 3 October 1992 4 3 4 Operating the EXB 10i 4 2 Reading the EXB 101 s LEDs You can read the 10 LEDs on the front panel of the EXB 10i to determine the following m The cartridges that have been processed and the cartridge that will be processed next sequential mode only m The hexadecimal number of an error code m The user options that are turned on or
44. cloth swabs cotton swabs or cleaning cartridges not approved by EXABYTE will void the warranty on the CTS To clean the CTS when it is installed in the EXB 10i follow these steps 1 If possible wait for the cartridge handling mechanism to move safely out of the way either all the way up or all the way down Open the door on the EXB 10i to override automatic operation Important Leave the EXB 10i s door open for the remainder of this procedure 2 Ifa data cartridge is present in the CTS press the unload button on the CTS and remove the cartridge Leave the door of the CTS open 3 Place the cleaning cartridge in the CTS and close the door The CTS automatically performs the remainder of the cleaning cycle When the cleaning cycle is complete the cleaning cartridge is unloaded and ejected from the CTS The cleaning cycle takes approximately 38 seconds 4 Remove the cleaning cartridge from the CTS Then record the date on the cartridge label and store the cleaning cartridge for future use 5 4 510601 October 1992 5 Maintaining the EXB 10i Note If the cleaning cartridge is ejected from the CTS without performing a cleaning cycle that is before 38 seconds the cleaning cartridge has reached the end of its useful life and should be discarded To prevent contamination of the CTS do not rewind the cleaning cartridge or use it for more than the number of cleaning cycles specified on the cartridge label
45. for the EXB 10i e Appendix B lists the SCSI cable requirements for the EXB 10i and the CTS e Appendix C lists the possible combinations of values for the Sense Key Additional Sense Code ASC and the Additional Sense Code Qualifier ASCO fields returned by the REQUEST SENSE 0Bh SCSI command The ASC and ASCQ values are listed in order for each sense key e Appendix D describes the cartridge sensor and eject position calibrations m A glossary index and reader comment card are included at the back of the manual Intended Audience This manual is intended for anyone who wants to install or operate the EXB 10i It assumes that you are already familiar with CTS operations and SCSI terminology October 1992 1 5 1 General Information 1 3 Related Publications For further information about the EXB 10i and the 8mm Cartridge Tape Subsystems and the standards used in their implementation refer to the following publications EXB 10i Cartridge Handling Subsystem m EXB 10i Cartridge Handling Subsystem Product Specification 510600 EXB 8200 and EXB 8200SX Cartridge Tape Subsystems m EXB 8200 8mm Cartridge Tape Subsystem Product Specification 510005 m EXB 8200 8mm Cartridge Tape Subsystem User s Manual 510006 m EXB 8200SX 8mm Cartridge Tape Subsystem Product Specification and User s Manual 510001 EXB 8500 and EXB 8500c Cartridge Tape Subsystems m EXB 8500 and EXB 8500c 8mm Cartridge Tape Subsystem Product Spe
46. inside the EXB 10i so that the oval slot on the back of the cartridge holder and the alignment pin on the plate are interlocked Push forward on the cartridge holder until it snaps into place 4 Close the EXB 10i door 4 6 Resetting the EXB 10i This section describes how to reset the EXB 10i Resetting may be necessary if the EXB 10i flashes an error code on the LEDs Note See Appendix C for a complete list of error codes and corrective actions To reset the EXB 10i follow these steps 1 Press the SEL and INCR buttons simultaneously 2 Hold down the buttons until all the LEDs light up 3 Release the buttons October 1992 4 19 4 Operating the EXB 10i Notes 4 20 510601 Maintaining the EXB 10 This chapter describes how you can perform preventive maintenance and replace serviceable parts More extensive maintenance and repair activity can be performed only by authorized service personnel Important As described in the product warranty caution at the beginning of this manual the EXB 10i s warranty does not apply to failures of the EXB 10i when the EXB 10i is repaired by untrained or unauthorized service personnel October 1992 5 1 5 Maintaining the EXB 10i 5 1 Preventive Maintenance This section describes how to perform preventive maintenance procedures on the EXB 10i which include cleaning the front door window cleaning the inside components and cleaning the CTS Reasonable care of t
47. n y n Log parameters are data structures that are contained in log pages and can be one of three things as follows Data counters that record a count of a particular event A numeric value indicating the state of the EXB 10i hardware A list of strings that contain the EXB 10i event history The general format of a log parameter is shown below Parameter Code ETC TMC Parameter Length n 3 October 1992 Parameter Value Each log parameter begins with a four byte header followed by one or more bytes of parameter value data The fields in the log parameter are described below Parameter Code Bytes 00 and 01 The Parameter Code field identifies which log parameter is being transferred for that log page Parameter Control DU DS TSD ETC TMC LP Byte 02 The Parameter Control field consists of the following bits DU Disable Update If this bit is set to 0 the EXB 10i will update the log parameter value to reflect all events that should be noted by that parameter If this bit is set to 1 the EXB 10i will not update the log parameter except when another LOG SENSE command is issued that has a new value for that parameter 11 LOG SENSE 4Dh DS Disable Save If this bit is set to 0 the EXB 10i will support saving for that log parameter If this bit is set to 1 the EXB 10i will not support saving for that log parameter TSD Target Save Disable If this bit is set to 0 th
48. not know the group code which is the first byte The EXB 10i also cannot set sense data because it does not know the LUN If message passing has been established and a parity error has been detected the EXB 10i immediately goes to the message in phase and returns the Restore Data Pointers message It then repeats the command phase 2 The EXB 10i checks the OP code If the OP code is valid and the group code is also valid 0 for 6 byte commands 1 for 10 byte command or 2 for 12 byte commands the EXB 10i will go to step 3 If the OP code is invalid and message passing is allowed the EXB 10i will return Check Condition status This may happen after the first byte of the CDB if the group code is invalid or after all bytes have been received if the group code is valid In either case the sense data is set as follows Sense Key Illegal Request 5h ASC Invalid OP code 20h ASCQ 0 October 1992 8 13 8 General SCSI Command Operation If the OP code is invalid and message passing has not been established the EXB 10i will go to the bus free phase if the group code is invalid If the group code is valid the EXB 10i will receive the remaining bytes and will return Check Condition status Sense data will be set as indicated above if the LUN is correct 3 The EXB 10i receives the second CDB byte If no parity error is detected it goes to step 4 If a parity error is detected and message passing has been established the EXB 10i w
49. of parameter data that follow this byte Baud Rate Byte 02 and 03 This field specifies the baud rate that should be used for the diagnostic port The EXB 10i supports the following values 300 1200 2400 4800 9600 19200 This feature is factory set in nonvolatile memory to 9600 12 8 510601 12 MODE SELECT 15h 12 6 Parity Page Reserved Page Code Parameter List Length Reserved Reserved Reserved The fields in the parity page are described below Page Code Byte 00 Bits 5 through 0 This field identifies the parity parameter list The value of this field must be 00h Parameter List Length Byte 01 This field indicates the length of the parity parameter list The Parameter List Length is 02h which indicates that there are two additional bytes of parameter data that follow this byte Parity Byte 02 Bit 5 This field enables or disables SCSI bus parity checking The values for this field indicate the following 0 Enable bus parity checking 1 Disable bus parity checking This feature is factory set in nonvolatile memory The factory default is 1 Note You can also enable or disable parity checking by using the diagnostics program or the parity enable disable option The MODE SELECT command overrides the setting of the parity enable disable option October 1992 12 9 12 MODE SELECT 15h 12 7 Command Execution This section describes the steps that the EXB
50. offline condition 2 Returns Check Condition status Continues processing the command 8 22 510601 8 General SCSI Command Operation 10 CDB Reserved Bit Set Is a reserved bit set to a value other than 0 in the CDB Note The EXB 10i checks to make sure all of the reserved bits are set to 0 in the CDB The reserved bits if present are checked from the least significant bit in the least significant byte of the CDB to the most significant bit in the most significant byte of the CDB NO The general command processing for this command completed successfully For information about the conditions and errors specific to a SCSI command refer to the section called Command Execution in the chapter for that command YES This error is handled in the same manner for every command The EXB 10i returns Check Condition status after the first invalid reserved bit is detected The sense data is set as follows Sense Key Illegal Request 5h ASC Invalid Field in CDB 24h ASCQ 0 SKSV 1 C D 1 BPV 1 Bit Pointer Bit number of invalid reserved bit Field Pointer CDB byte number of invalid reserved bit October 1992 8 23 8 General SCSI Command Operation Notes 8 24 510601 INITIALIZE ELEMENT STATUS 07h 6 9 2 0 0 1 Logical Unit Number Reserved Reserved Reserved Reserved Control October 1992 9 1 9 INIT
51. parity error during the data in phase it must accept all bytes The initiator should attempt to reissue the command to receive the requested data Note If the EXB 10i detects the parity error while sending the data for the REQUEST SENSE command the sense data is not recoverable 7 18 510601 October 1992 7 SCSI Physical Path Communications Systems That Support Additional Messages The following section describes potential error conditions and actions taken by the initiator and the EXB 10i when parity errors occur and message handling is enabled The EXB 10i will attempt retries indefinitely It is up to the initiator to keep count of the number of retry attempts When the count exceeds a specified threshold the initiator should clear the EXB 10i from the bus by doing one of the following m Sending an Abort Message m Sending the Bus Device Reset message m Performing a SCSI bus reset Parity Error in the Message Out Phase When parity checking is enabled and the EXB 10i detects one or more parity errors on the message bytes it receives during a single message out phase the EXB 10i indicates its desire to retry the message by asserting the REQ signal after it detects that the ATN signal has gone false and before changing to any other phase Upon detecting this condition the initiator should resend all of the previous message bytes in the same order as previously sent during this phase When resending more than one message b
52. phase in this way until no parity errors are detected or until the initiator aborts the current command or resets the EXB 10i Parity Error in the Data Out Phase When parity checking is enabled and the EXB 10i detects a parity error in the data during the data out phase the EXB 10i waits until all data has been received from the initiator and then goes immediately to Message In phase and sends a Restore Pointers 03h message The initiator must restore the data pointer to the start of the data The EXB 10i then goes to the Data Out phase and requests all of the data again The EXB 10i continues to retry the data out phase in this way until no parity errors are detected or until the initiator aborts the current command or resets the EXB 10i Parity Error in the Data In Phase If the initiator detects a parity error during the data in phase the initiator should respond by sending an Initiator Detected Error 05h message The EXB 10i responds to the Initiator Detected Error message by immediately going to the message in phase and sending a Restore Pointers 03h message The initiator must restore the data pointer to the start of the data The EXB 10i then goes to the data in phase and resends all of the data The EXB 10i will resend the data as many times as requested by the initiator Parity Error in the Status In Phase If the initiator detects a parity error during the status in phase the initiator should respond by sending an Initiato
53. place a cartridge specify the CHM as the source and the slot or CTS as the destination If the source and destination element address are the same the EXB 10i will pick a cartridge from the source and then place it back It will return Source Empty if the element does not contain a cartridge If the source and destination element are both the CTS the EXB 10i will pick a cartridge from the CTS then place it back into the CTS and close the CTS door Any further commands with the CTS as both the source and destination will fail with a Check Condition until the CTS door is opened You cannot specify moves from the CHM to the CHM This will result in a Check Condition status 510601 14 MOVE MEDIUM A5h 14 2 Field Definitions October 1992 This section describes the fields in the command descriptor block for the MOVE MEDIUM command shown in the table on page 14 1 and the values you can enter for each Transport Element Address Bytes 02 and 03 Because this field is checked for the value set by the MODE SELECT 15h command you should specify the element address of the CHM Source Address Bytes 04 and 05 This field allows you to specify the element location address where the data cartridge is to be taken from This may be a storage location the CTS or the CHM Destination Address Byte 06 and 07 This field allows you to specify the element location address where the data cartridge is to be placed This may be a
54. position O O O O O O O Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor Description There is a cartridge in the grab base Corrective Action Remove the cartridge and retry the calibration procedure by resetting the EXB 10i Description The grab base was unable to place the cartridge back in the source after a pick failure Corrective Action Contact your vendor Description The grab base was unable to place the cartridge back in the source after a place failure O000 0O0000 O0O 00O Corrective Action Contact your vendor Description The grab base cannot place the cartridge back in the source after a SCSI abort O O OQ Corrective Action Contact your vendor C 24 510601 Top LED Display Bottom LED Display Appendix C EXB 10i Error Conditions Description Corrective Action O sy Me A sy Me A Description There are no cartridges in the cartridge holder Sequential mode only Corrective Action Place cartridges in the cartridge holder O00O00O O00000 October 1992 Description The EXB 10i cannot restart sequential mode because the CTS contains a cartridge Corrective Action Remove the cartridge from the CTS C 25 Appendix C EXB 10i Error Conditions Illegal Request Sense Key 5h Tabl
55. processes If the Abort message is received before a pick operation the move operation is not performed If the Abort message is received after the pick but before the cartridge is placed the cartridge is returned to its initial location If the Abort message is received after the cartridge has been placed into its destination and the destination is not the CTS the cartridge is not returned to its initial location If the Abort message is received after the cartridge has been placed into the CTS but before the CTS door is closed the cartridge is returned to its initial location If the Abort message is received after a cartridge has been moved to the CTS and the CTS door is closed the cartridge cannot be moved back to the original location POSITION TO ELEMENT Command The EXB 10i checks for the Abort message before positioning If the EXB 10i receives an Abort message after it has begun to move the CHM it completes the operation and does not return the CHM to its original position 510601 7 SCSI Physical Path Communications Message Reject 07h Either the initiator or the EXB 10i sends the Message Reject message to indicate that the last message it received was inappropriate or not supported Table 7 3 shows how the EXB 10i handles the Message Reject message Table 7 3 Handling of Message Reject message If a Message Reject message is received during this phase The EXB 10i takes the following action
56. sense data for the REQUEST SENSE 03h command Table C 1 Sense key descriptions Sense Key Meaning Explanation Hex Values Oh No Sense Indicates that there is no specific sense key information to be reported for the EXB 10i Not Ready Indicates that the EXB 10i cannot accept any motion commands Operator intervention may be required to correct this condition Hardware Indicates that the EXB 10i detected a Error non recoverable hardware failure while performing the command or during a self test After a hardware error has occurred the EXB 10i will not accept any motion commands Illegal Indicates that there was an illegal Request parameter in the command descriptor block or in the additional parameters supplied as data for some command Unit Indicates that something happened that Attention may have changed the state of the EXB 10i Aborted Indicates that the EXB 10i aborted the Command last command C 2 510601 October 1992 LEDs Appendix C EXB 10i Error Conditions In addition to using sense keys the EXB 10i displays hardware related error codes by using eight of the ten LEDs to the right of the EXB 10i door Each error code consists of two or more flashing LEDs that indicate the type of error that has occurred In normal EXB 10i operation no more than one LED flashes at one time For those users familiar with hexadecimal notation EXB 10i error codes are displayed in binary as two
57. sent to the initiator and then cleared If any other command is received after the Unit Attention condition is reported the EXB 10i clears the sense data for the Unit Attention clears the Unit Attention and executes the command normally 7 7 Hardware Error Condition 7 28 The hardware error condition occurs during motion commands when the EXB 10i detects a failure that prevents it from finishing a requested operation If the EXB 10i detects the failure while processing a SCSI command the following occurs m The EXB 10i returns Check Condition status The sense data is set as appropriate for the hardware error condition The sense key is set to Hardware Error 4h For a complete list of hardware error conditions see Appendix C If the failure is determined to be an unrecoverable hardware error the EXB 10i does the following m The EXB 10i displays the ASCO corresponding to the hardware error code for the failure on the operator display m The EXB 10i does not perform any further requested operations that involve motion of the CHM Appendix C lists the error codes displayed for the various hardware errors along with the sense data that is constructed for the hardware error 510601 October 1992 7 SCSI Physical Path Communications Unrecoverable Hardware Error Condition The EXB 10i is able to process SCSI commands after an unrecoverable hardware error condition unless the failure occurs within the SCSI
58. storage location the CTS or the CHM Invert Byte 10 Bit 0 The EXB 10i does not support the Invert function The valid value for this field is 0 14 3 14 MOVE MEDIUM A5h 14 3 Command Execution This section describes the steps that the EXB 10i follows when executing the MOVE MEDIUM command These steps occur after the EXB 10i has been selected and has successfully received the CDB and there are no conditions present that prevent the command from being executed Refer to Section 8 6 for a complete list of conditions that the EXB 10i checks while it is receiving and after it has received the CDB from the initiator Note The following steps describe the normal processing of the command through the bus free phase If the message system is enabled additional errors and processing can occur anytime the EXB 10i responds to ATN with a message out phase Refer to Section 7 1 for more information about the message system and possible error conditions The EXB 10i takes the following actions to finish processing the command 1 Checks the parameters in the CDB If any of the parameters in the CDB are invalid the EXB 10i skips to step 9 returns Check Condition status and sets the sense data as shown in Table 14 1 2 Checks element reservations If any of the elements involved in the move are reserved by a different initiator the EXB 10i skips to step 10 returns Reservation Conflict status and clears the sense data
59. that element Position the grab base to that element 20 2 510601 20 RESERVE 16h 20 2 Field Definitions This section describes the fields in the command descriptor block for the RESERVE command shown in the table on page 20 1 and the values you can enter for each 3rdPty Byte 01 Bit 4 Because the EXB 10i does not support third party reservations the value for this field must be 0 Third Party Device ID Byte 01 Bits 3 through 1 Because the EXB 10i does not support third party reservations the valid value for this field must be 0 Element Byte 01 Bit 0 This field allows you to reserve elements The valid settings for this bit are as follows 0 The EXB 10i is reserved 1 A series of elements identified by the Reservation Identification field byte 02 and specified by the Element List Descriptor are reserved A minimum of six bytes must be sent by the initiator Reservation Identification Byte 02 This field allows you to specify a value established by the initiator to identify a specific reservation request The total number of IDs that can be stored is 12 0Ch Element List Length Bytes 03 and 04 This field allows you to specify the length in bytes of the Element List Descriptors that follow this command The valid values for this field are 0 6 and increments of 6 If the Element field byte 01 bit 0 is 0 this field is ignored If the value for this field is 0 and the Element bit is set t
60. the EXB 10i s internal SCSI ID switch cable the 6 pin connector to the remote connector on the back of the CTS Ensure that pin 1 of the 6 pin connector labeled with a white mark on the top of the connector is connected to pin 1 of the remote connector on the back of the CTS If necessary refer to the documentation for your CTS to determine the pin assignments for the remote connector Notes m Some versions of the EXB 8200 s interface card for example the DB card and earlier versions of the DS card do not provide a remote connector for setting the SCSI ID When using an EXB 8200 with one of these cards set the SCSI ID using the DIP switches on the back of the CTS for instructions refer to the documentation for the EXB 8200 Remember that you need to remove the EXB 101 s cover to change the SCSI ID If you are using the remote switch to set the SCSI ID and the interface card also includes DIP switches for example the EXB 8200 s DS3 card and the EXB 8500 s interface card be sure that the DIP switches on the back of the CTS are set to address 0 all three switches set to the off position 510601 3 Installing the EXB 10i 49 0000000000000000000000000 1 000 50000000009000000000000000000 2 Y Figure 3 12 Connectors on the back of the EXB 8200 EXB 82005X Gi j Remote Connector F Connect P3 hera lonitor J art P Mire
61. the Bit Pointer contains the value of the most significant bit of the field The most significant bit of a multiple bit field is the bit with the highest bit number For example if a field consists of bits 5 4 and 3 the most significant bit is bit 5 Field Pointer Bytes 16 and 17 Contains the number of the byte in which the error occurred Byte numbers start at 00 When a multiple byte field is in error the Field Pointer contains the value of the most significant byte of the field The most significant byte of a multiple byte field is the byte with the lowest byte number For example if a field consists of bytes 02 03 and 04 the most significant byte is byte 02 510601 19 REQUEST SENSE 03h Priorities of Sense Bytes Multiple errors may occur during the processing of a single SCSI command The sense key reflects the last error that occurred For example if a message error occurs after a hardware error the EXB 10i handles the errors in the following manner m The message error is reported m The hardware error is preserved and the next motion command issued by any host terminates with Check Condition status m A subsequent REQUEST SENSE command reports the hardware error Sense Byte Pending Status When the EXB 10i reports Check Condition status in response to a command from an initiator the EXB 10i retains the sense byte pending status including error information and Check Condition status for the initiat
62. the CTS position has already been calibrated If this is the case you do not need to follow these instructions and can skip to Section 3 10 Before you begin the calibration you must open the CTS door To do this follow these steps 1 Make certain the EXB 10i is turned off 2 Open the EXB 10i s door 3 Turn on the EXB 10i by pushing the power switch on the front of the EXB 10i to the on position 4 Make certain there is not a cartridge in the grab base 5 Open the CTS door by pressing the unload button located on the front of the CTS Make certain there is not a cartridge in the CTS Leave the CTS door open 6 Make certain there is at least one cartridge in one of the slots in the cartridge holder If the cartridge holder is empty insert a cartridge in the bottom slot 7 Stop EXB 10i operation by pushing the EXB 10i s power switch to the off position 8 Close the EXB 10i door October 1992 3 27 3 Installing the EXB 10i To calibrate the CTS position follow these steps 1 Locate the INCR and SEL buttons as shown in Figure 3 17 Press and hold both the INCR and SEL buttons simultaneously while moving the power switch to the on position After all LEDs turn on and then turn off in approximately two seconds wait for another second and then release the buttons The EXB 10i is now in option mode LED 1 will be flashing In option mode the LEDs denote how the options are set as follow
63. the EXB 10i handles the Message Parity Error message Table 7 4 Handling of Message Parity Error message If the Message Parity Error message is received during The EXB 10i takes the following action this phase Command Goes to the bus free phase immediately and sets sense data Sense Key Aborted Command OBh Data Out ASC Message Error 43h Data In ASCQ 0 Message Out Status Message In Sends the last message again Cmd Complete Disconnect Msg Reject Restore Ptrs Identify 7 10 510601 7 SCSI Physical Path Communications Bus Device Reset Message 0Ch The initiator sends the Bus Device Reset message to direct the EXB 10i to clear all I O processes This message forces a hard reset condition for the EXB 10i The EXB 10i goes immediately to the bus free phase upon successful receipt of this message As with a SCSI bus reset or power on reset the EXB 10i sets a sense key of Unit Attention 6h for all initiators Identify Message 80h T Either the initiator or the EXB 10i sends the Identify Message to establish an I_T_L nexus and to enable the Message System The format of the Identify Message is shown in the following table 6 5 October 1992 Identify DiscPriv LUNTAR Reserved Identify Bit7 This bit is set to 1 to distinguish the Identify message from all other messages DiscPriv Bit 6 The DiscPriv disconnect privilege bit is used by the initi
64. the EXB 10i is in the process of aborting a motion command See Section 7 4 for more information about the Busy condition Reservation Conflict The EXB 10i returns Reservation Conflict status when the EXB 10i is reserved by a different initiator See Chapter 20 for more information about the RESERVE command 15 POSITION TO ELEMENT 2Bh Check Condition The EXB 10i returns Check Condition status for the following reasons The message system is enabled and a message error occurs while the EXB 10i is processing the command The EXB 10i detects a parity error while receiving the CDB and the message system is not enabled The command is issued to an invalid LUN A Unit Attention condition is pending for the initiator The EXB 10i has experienced an unrecoverable hardware error A reserved bit is set to 1 in the CDB A parameter in the CDB is invalid The EXB 10i door is open or was opened during the move The EXB 10i data cartridge holder is missing The EXB 10i is not ready to execute a motion command because the EXB 10i is either in manual motion control or the EXB 10i is executing diagnostics through the RS 232 interface An unrecoverable hardware error occurred during the POSITION TO ELEMENT command or occurred during the POSITION TO ELEMENT MOVE MEDIUM or SEND DIAGNOSTICS command Note Refer to Appendix C for a complete list of errors and the sense 15 6 data returned for each 510601 READ ELEMENT STATUS
65. the cartridge and the cartridge holder Insert the other nine data cartridges in the remaining slots Note If desired you can insert the data cartridges in the cartridge holder after you install the cartridge holder in the EXB 10i To do this hold the data cartridge so that the write protect switch is facing you and oriented to your right Then insert the data cartridge into the cartridge holder until it snaps into place Figure 3 3 shows the correct positioning of the data cartridge in the cartridge holder 3 7 3 Installing the EXB 10i 3 4 Installing the Cartridge Holder This section describes how to mount the cartridge holder inside the EXB 10i on the mounting plate This plate has locating guides for the cartridge holder and an alignment pin near the bottom as shown in Figure 3 4 Figure 3 4 Mounting plate for the data cartridge holder Note You can install the cartridge holder in the EXB 10i before or after installing the CTS described in Section 3 5 3 8 510601 3 Installing the EXB 10i To install the cartridge holder onto the mounting plate follow these steps 1 Grasp both sides of the cartridge holder with one hand so that the back of the cartridge holder faces the mounting plate inside the EXB 10i The oval slot on the back of the cartridge holder should be toward the bottom 2 Position the cartridge holder on the mounting plate inside the EXB
66. the command descriptor block for the INQUIRY command shown in the table on page 10 1 and the values you can enter EVPD Enable Vital Product Data Byte 01 Bit 0 This field must be 0 which indicates the type of inquiry data requested by the initiator Page Code Byte 02 The value for this field must be 0 since the EXB 10i supports only a value of 0 for the EVPD field Allocation Length Byte 04 The Allocation Length field allows you to specify the number of bytes that the initiator has allocated for data returned from the INQUIRY command A value of 0 indicates that no inquiry data is to be transferred This condition is not considered an error The EXB 10i terminates the Data In phase when it has transferred either the number of bytes specified by the Allocation Length field or all of the available inquiry data whichever is less The data length for the inquiry data returned by the EXB 10i is 38h 56 bytes see Section 10 3 10 2 510601 10 INQUIRY 12h 10 3 Standard Inquiry Data After the EXB 10i receives the INQUIRY command it returns 56 bytes of inquiry data in the following format Peripheral Qualifier Peripheral Device Type RMB Device Type Qualifier ISO Version ECMA Version ANSI Approved Version AENC TrmlOP Reserved Response Data Format Additional Length Reserved Reserved RelAdr WBus32 WBus16 Sync Linked CmdQue MSB Vendor Ide
67. the initiator the EXB 10i goes to the message in phase sends the Command Complete message to the initiator and then goes to the bus free phase 17 8 Command Status October 1992 The EXB 10i returns a status byte after processing the RECEIVE DIAGNOSTIC RESULTS command This section describes when each type of status byte might be returned Good The EXB 10i returns Good status when it is able to process the command without errors Bus The an returns Busy status when the EXB 10i is processing a command for a different initiator or when the EXB 10i is in the process of aborting a motion command See Section 7 4 for more information about the Busy condition Reservation Conflict The EXB 10i returns Reservation Conflict status when the EXB 10i is reserved by a different initiator See Chapter 20 for more information about the RESERVE command Check Condition The EXB 10i returns Check Condition status for the following reasons m The message system is enabled and a message error occurs while the EXB 10i is processing the command m The EXB 10i detects a parity error while receiving the CDB and the message system is not enabled m The command is issued to an invalid LUN 17 RECEIVE DIAGNOSTIC RESULTS 1Ch A Unit Attention condition is pending for the initiator m A reserved bit is set to 1 in the CDB Note Refer to Appendix C for a complete list of errors and the sense data returned for each Table 17 1 I
68. the switch You can select an address from 0 through 7 SCSI Connectors CTS SCSI ID Switch Power Connector Figure 3 16 SCSI connectors and SCSI ID switches on the EXB 10i 510601 3 Installing the EXB 10i 3 7 Connecting the CTS to the SCSI Bus October 1992 After setting the SCSI addresses you can connect the CTS in the EXB 10i to a SCSI bus Two SCSI connectors for the CTS are located on the back of the EXB 10i as shown in Figure 3 16 These connectors enable multiple units to be connected in a series for daisy chained configurations or to accommodate one cable and an external terminator if the EXB 10i is the last device on the SCSI bus To connect the CTS to the SCSI bus m If the EXB 10i is the last device on the SCSI bus plug a SCSI cable into either one of the two connectors and the appropriate single ended or differential external terminator into the other connector or m If the EXB 10i is not the final unit on the SCSI bus daisy chain configuration plug a SCSI cable into each connector 3 Installing the EXB 10i 3 8 Connecting Power to the EXB 10i This section describes how to connect power to the EXB 10i The EXB 10i includes an internal power supply that is capable of accepting 120 or 240 volts AC at 50 to 60 Hz The EXB 10i has autoranging voltage selection so you do not need to change the voltage setting Note A three conductor AC power cord is shipped with
69. 0 Element Byte 01 Bit 0 You can specify 1 or 0 as follows 1 The reserved elements associated with the Reservation Identification byte 02 are released from reserved status 0 The EXB 10i or all elements reserved by this initiator are released from reserved status 18 2 510601 18 RELEASE 17h Reservation Identification Byte 02 This field should be set to 0 which indicates the specific reservation request see Chapter 20 If the Element field byte 01 bit 0 is 0 this field is ignored 18 3 Command Execution October 1992 This section describes the steps that the EXB 10i follows when executing the RELEASE command These steps occur after the EXB 10i has been selected and has successfully received the CDB and there are no conditions present that prevent the command from being executed Refer to Section 8 6 for a complete list of conditions that the EXB 10i checks while it is receiving and after it has received the CDB from the initiator Note The following steps describe the normal processing of the command through the bus free phase If the message system is enabled additional errors and processing can occur anytime the EXB 10i responds to ATN with a message out phase Refer to Section 7 1 for more information about the message system and possible error conditions The EXB 10i takes the following actions to finish processing the command 1 Checks the parameters in the CDB If any of the para
70. 0 Source Storage Element Address Bytes 10 and 11 The Source Storage Element Address field shows the address of the last storage element from which the cartridge was moved 16 9 16 READ ELEMENT STATUS B8h Data Transfer Element Descriptor The element descriptor block for the Data Transfer Element Descriptor is shown below Element Address Access Reserved Additional Sense Code Additional Sense Code Qualifier Not Bus ID Valid LUValid RSVD Logical Unit Number SCSI Bus Address Reserved SValid Reserved MSB Source Storage Element Address 16 10 Reserved The fields in this descriptor block are described below Element Address Bytes 00 and 01 The Element Address field indicates the address of the Data Transfer Element Descriptor the CTS Access Byte 02 Bit 03 The Access bit is set to 1 if the CTS door is open and the CHM can access it This bit is set to 0 if the CTS door is closed and the CHM cannot access it Except Byte 02 Bit 02 The Except bit is set to 0 when the CHM is in a normal state or set to 1 when it is in an abnormal state Refer to Table 16 2 for more information about the abnormal state when the Except bit is set to 1 510601 October 1992 16 READ ELEMENT STATUS B8h Full Byte 02 Bit 00 The Full bit is set to 1 when the CTS contains a cartridge or to 0 when the CTS is empty Th
71. 0 baud option 4 10 A Abort 06h message 7 7 Aborted Command sense key C 30 B baud rate setting for the maintenance port 4 10 Bus Device Reset 0Ch message 7 11 Busy 08h status 8 9 C calibration cartridge sensor D 1 to D 4 CTS position 3 27 to 3 30 eject position D 1 to D 4 cartridge handling mechanism action of during power on self test descriptionof 2 5 cartridge holder See data cartridge holder cartridge sensor calibrate option 4 8 3 30 to 3 31 performing D 1 to D 4 cartridge tape subsystem calibrating 3 27 to 3 30 cleaning 5 4 connecting EXB 10i cables to 3 16 descriptionof 2 5 installing in EXB 101 replacing 5 9 to 5 13 tools for installing 3 3 cartridge use display 4 5 cartridges See data cartridges Check Condition 02h status 8 9 cleaning cartridge tape subsystem 5 4 data cartridge holder and cartridges 5 3 EXB 10i door window 5 2 Command Complete 00h message 7 5 3 9 to 3 23 October 1992 command status Busy 8 9 Check Condition 8 9 Good 8 9 Reservation Conflict 8 9 commands processing 8 10 status checking control buttons for EXB 10i operation 2 3 See also INCR button See also SEL button cover removing 3 11 replacing 3 23 CTS calibrate option 4 8 setting 3 27 to 3 30 D 8 10 to 8 23 data cartridge holder cleaning 5 3 description of 2 5 installing cartridges in installing in EXB 101 replacing 4 18 data cartridges cleaning 5 3 controlling the processing cycle 4 11 i
72. 0 bytes for the Element Address Assignment page 4 bytes for the Parity page 4 bytes for the Baud Rate page The values sent to the EXB 10i apply to all initiators in a multi initiator environment If an initiator issues a MODE SELECT command that changes any parameters the EXB 10i sends a Check Condition status with a sense key of Unit Attention 6h and an ASC and ASCQ of Mode Parameters Changed 2Ah and 01h respectively to all other initiators that issue a request to the EXB 10i Note When a MODE SELECT command is issued to the EXB 10i parameters are not changed until the EXB 10i has verified that the new values are valid If a value is not valid the EXB 10i will return the appropriate error as listed in Section 12 7 and MODE SELECT parameters will not be changed 12 2 Field Definitions This section describes the fields in the command descriptor block for the MODE SELECT command shown on the page 12 1 and the values you can enter for each PF Page Format Byte 01 Bit 4 This field must be 1 which specifies the page format the EXB 10i uses 12 2 510601 12 MODE SELECT 15h SP Saved Page Byte 01 Bit 0 This field allows you to use the saved page function You can enter one of the following values 0 Configuration values are changed to the values specified by this command Saved values are not affected 1 Configuration values sent to the EXB 10i by this command are saved in nonvolatile memory and used f
73. 00 Figure 8 2 How the EXB 10i handles errors during the Command phase October 1992 8 15 8 General SCSI Command Operation 3 Invalid Logical Unit Number Was the LUN in the Identify message invalid or if no Identify message was sent was the LUN in the CDB invalid NO Goto condition 4 YES See Table 8 3 for command handling Table 8 3 Command handling when an Invalid LUN has been sent to the EXB 10i When the EXB 10i is sent an invalid LUN it takes the following actions for the indicated command RECEIVE DIAGNOSTIC RESULTS INITIALIZE ELEMENT STATUS RELEASE INQUIRY LOG SENSE MODE SELECT MODE SENSE MOVE MEDIUM POSITION TO ELEMENT READ ELEMENT STATUS REQUEST SENSE RESERVE SEND DIAGNOSTIC TEST UNIT READY 1 Sets first byte in inquiry data to Invalid Peripheral Byte 2 Continues processing the command 1 Sets the following sense data for invalid LUN Sense Key Illegal Request 5h ASC LUN not supported 25h ASCQ 0 2 Returns Good status 1 Sets the following sense data for invalid LUN Sense Key Illegal Request 5h ASC LUN not supported 25h ASCQ 0 2 Returns Check Condition status 8 16 510601 8 General SCSI Command Operation 4 Incorrect Initiator Connection Has an invalid initiator reselection occurred Note If this condition has occurred then the message system must be disabled If the mess
74. 10i so that the oval slot and alignment pin are interlocked See Figure 3 3 for the location of the oval slot 3 Push forward on the cartridge holder until it snaps into place 4 Firmly press forward on all four corners of the cartridge holder to make sure they are secure If the CTS is already installed skip to Section 3 6 for instructions on setting the SCSI ID If you need to install the CTS refer to Section 3 5 below 3 5 Installing the Cartridge Tape Subsystem If the EXB 10i does not already have a cartridge tape subsystem CTS installed you need to follow the instructions in this section to install the CTS yourself Installing the CTS involves the following steps Removing the EXB 10i s cover Removing the upper bezel Moving the cartridge handling mechanism Mounting the CTS in the EXB 10i enclosure Connecting the cables to the CTS Replacing the upper bezel Replacing the cover Calibrating the CTS position October 1992 3 9 3 Installing the EXB 10i WARNING Before performing any of the following steps be sure that the power switch is in the off position and the power cord is disconnected from the EXB 10i In addition to avoid damaging the EXB 10i when the cover is removed be sure that the work area is free of conditions that could cause electrostatic discharge ESD See below VORSICHT Bevor Sie einen der folgenden Schritte ausf hren stellen Sie bitte sicher daB der Netzschalter ausgeschalt
75. 23 9 INITIALIZE ELEMENT STATUS 07h 9 1 9 1 About This Command aaa aa a a a ee 9 2 10 inquiry 12h 10 1 10 1 About ThisCommand seqe e asada a aa iah 000002 ee eee eee eee 10 2 10 2 Field Definitions 10 2 10 3 Standard qui Data o sears a E AA OR AAA 10 3 10 4 Command Execution 10 6 10 5 Command Status 0 0 a ee a 10 8 11 LOG SENSE 4Dh 11 1 11 1 About This Command 0 0 seere r n Ekeren etra 11 2 11 2 Field Definitions 11 2 JLS EXB I Log Parameters o ccros dr pa dra A A 11 4 Supported Lop Page Page CodeD00 o4 45 5n20 o3 a9 nte 11 7 System Statistics Log Page Page Code SO 20 500 003 11 7 State Log Pag Page Code 31h ifn ire do Re Gok 11 10 History of Events Log Page Page Code 32h aoa aaa aaa 11 12 11 4 Errors Reported sess sta ec beso ERE ARE g 11 16 12 MODE SELECT 15h 12 1 12 1 AboutThis Command 12 2 12 2 Field Definitions 12 2 12 3 Parameter List Header e se dred sida 000000 eee eee ene 12 3 12 4 Element Address Assignment Pape ss s64 045645 444 Has dS wee eS 12 4 Assigning Element Addresses s s ari OE Ke Ae EEE eS 12 6 12 5 Baud Rate Pate akc see bss he Bee ee Sk RRS oC Re SR ERE SE wR 12 8 126 Parity Pare oss ee he ge ee EDEMA TESA SESE aoe HAE See Ses 12 9 12 7 Command Execution 12 10 12 8 Command Status s s s wee ee a e a i e ee Ae e Gea e A 12 13 13 MODE SENSE 1Ah 13 1 13 1 About This Command cs as seres seses sena serere ee eee 13 2 13 2 Fie
76. 510601 8 General SCSI Command Operation Reserving Locations To reserve specific data cartridge locations the CTS location or the entire EXB 10i location for exclusive use by one initiator use the RESERVE 16h command For example if any initiator needs to access specific data cartridges it can issue the RESERVE command to set aside those storage locations so that no other initiator can access the cartridges Note Use the CTS s RESERVE UNIT command to ensure that the initiator has exclusive use of the CTS for tape operations Once an initiator has reserved an element or the entire EXB 10i the same initiator must use the RELEASE 17h command to cancel the reservation Inquiring About EXB 10i Status To inquire about EXB 10i status you can use the commands described below The REQUEST SENSE 03h Command If an error occurs during an operation use the REQUEST SENSE 03h command to determine the type of error This command returns the following information m Sense key for the error that indicates the type of error Not Ready Hardware Error Illegal Request Unit Attention or Aborted Command m Additional sense code ASC that indicates the type of error in the given sense key category m Additional sense code qualifier ASCO that indicates the specific error in the sense key and ASC categories October 1992 8 5 8 General SCSI Command Operation 8 6 The INQUIRY 12h Command You can use the INQUIR
77. 510601 Appendix C EXB 10i Error Conditions If the EXB 10i has already returned Check Condition for the Unit Attention condition generated the EXB 10i responds in the following manner m Ifa REQUEST SENSE command is received the EXB 10i reports a sense key of Unit Attention The ASC and ASCO bytes provide additional information about the condition Then the EXB 10i clears the Unit Attention condition a If an INQUIRY command is received the EXB 10i performs the INQUIRY command but does not clear the Unit Attention condition If any other command is received the EXB 10i clears the Unit Attention and associated sense data Then the EXB 10i performs the requested command Table C 7 lists combinations of ASC and ASCO values for the Unit Attention sense key 6h Table C 7 ASC and ASCQ values for the Unit Attention sense key 6h Description New microcode was loaded A power on or SCSI bus reset occurred Mode parameters have been changed The EXB 10i door was opened and then closed The EXB 10i was in manual motion control or was executing diagnostics through the maintenance port October 1992 C 29 Appendix C EXB 10i Error Conditions Aborted Command Sense Key Bh The EXB 10i returns a sense key of Aborted Command Bh in the following situations The initiator sent an Abort message An invalid message sequence occurred m A message error occurred after status was return
78. 5h ASC Invalid Bits in the Identify message 3Dh ASCQ 0 Unsupported Messages Out When the EXB 10i receives messages that are not supported it sends a Message Reject message after the first invalid message byte and then continues processing the current command 7 2 SCSI Bus Parity and Error Recovery 7 16 This section identifies the various error conditions that result from parity errors detected by the EXB 10i and the initiator and the responses related to these error conditions The errors and responses are separated into two categories m Errors and responses related to initiators that support only the Command Complete message m Errors and responses related to initiators that support messages in addition to the Command Complete message Section 7 1 describes how to select the EXB 10i to enable the message system 510601 7 SCSI Physical Path Communications SCSI Bus Parity Checking If parity checking is enabled the EXB 10i checks parity on the SCSI bus To enable or disable parity checking set the parity option see Chapter 4 or issue the MODE SELECT 15h command with the appropriate parameters Enabling Parity Checking To enable parity checking do the following m Turn on the parity enable disable option For more information about this option see Chapter 4 and m Enable parity checking in the current MODE SELECT parameters For more information about the MODE SELECT command se
79. 9 Detaching the cables from the upper bezel 3 Installing the EXB 10i Disconnect the flex cable which is attached to the ZIF connector on the top of the VDISPLAY card behind the LEDs as shown in Figure 3 9 To do this grasp the tab on the top and bottom of the connector with your thumb and forefinger Gently pull on the connector clip until the cable slides away from the connector If the upper bezel is also attached to the base of the EXB 10i by a cable detach this cable from the bezel To do this use a T 10 TORX driver bit to remove the screw that holds the cable to the bezel as shown in Figure 3 9 Mounting the CTS in the EXB 10i To mount the CTS in the EXB 10i follow these steps 1 Make certain the cartridge handling mechanism is positioned at the top of the EXB 10i See Section 5 2 Using a T 15 TORX driver bit remove the screw that holds the door switch plate in place as shown in Figure 3 10 Move the switch aside down and toward the front of the EXB 10 do not disconnect the cable still attached to the switch Figure 3 10 Moving the door switch plate 3 16 510601 October 1992 3 Installing the EXB 10i Locate the metal plate that shields the opening for the CTS directly below the mounting plate for the data cartridge holder Using a T 15 TORX driver bit remove the screw on the left side of the EXB 10i that holds the plate to the frame Remove the plate and screw and store it with the EXB 10 packagi
80. ASC and ASCO values for the Unit Attention sense key 6h C 29 Table C 8 ASC and ASCO values for the Aborted Command sense key Bh C 30 Calibrating the Cartridge Sensor and Eject Position XX Table D 1 Calibration blocks used with EXB 10i firmware levels D 2 510601 Part 1 Introduction to the EXB 10 General Information This chapter includes general information about the EXABYTE EXB 10i Cartridge Handling Subsystem EXB 10i intended audience and organization of this manual and related publications October 1992 1 1 1 General Information 1 1 About the EXB 101 Designed to provide a high degree of user control and flexibility the EXB 10i is a robotic cartridge handling subsystem that allows unattended access to up to 100 gigabytes of data storage capacity Incorporating a single EXABYTE 8mm Cartridge Tape Subsystem CTS the EXB 10i includes a robotic handler called the cartridge handling mechanism that loads and unloads 8mm data cartridges from the CTS and stores them in a removable ten slot data cartridge holder Figure 1 1 shows the EXB 10i Figure 1 1 EXB 10i Cartridge Handling Subsystem 1 2 510601 October 1992 1 General Information Modes of Operation The EXB 10i features two user selected modes of operation a random mode and a sequential mode In the random mode of operation a Small Computer System Interface SCSI controller is implemented which can accept commands f
81. B 10i If the error still displays contact your vendor C 14 510601 Top LED Display Bottom LED Display Appendix C EXB 10i Error Conditions Description Corrective Action O O O O O O X KA k A Description The grab base cannot move to a position where it can place a cartridge into the cartridge holder Corrective Action Check to see if the cartridge holder is installed correctly as described in Chapter 3 If the cartridge holder is not the problem this error could be caused by a misaligned CHM or an incorrectly mounted CTS Contact your vendor Description The grab base cannot execute one of the moves that ejects the cartridge Corrective Action This error could be caused by a misaligned solenoid on the CHM Contact your vendor Description The grab base could not eject a cartridge Corrective Action This error could be caused by a bad solenoid on the CHM Contact your vendor ROOXO OOO O Description The grab base cannot place a cartridge into the CTS Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor Description The grab base cannot place a cartridge into the CTS Corrective Action This error could be caused by a misaligned solenoid on the CHM Contact your vendor October 1992 Description The grab base tried
82. B8h 6 4 2 1 0 1 0 0 Logical Unit Number VolTag Element Type Code MSB Starting Element Address MSB Number of Elements Reserved Allocation Length Reserved Control October 1992 16 1 16 READ ELEMENT STATUS B8h 16 1 About This Command The READ ELEMENT STATUS command requests that the EXB 10i report the status of its internal elements to the initiator For default element addresses refer to Figure 8 1 in Chapter 8 16 2 Field Definitions 16 2 This section describes the fields in the command descriptor block for the READ ELEMENT STATUS command shown in the table on page 16 1 and the values you can enter for each VolTag Byte 01 Bit 4 The VolTag Volume Tag field must always be 0 Element Type Code Byte 01 Bits 3 through 0 The Element Type Code field allows you to specify which element type the EXB 10i should report on the CHM the CTS one of the ten slots in the cartridge holder or all elements The valid element codes are listed in Table 16 1 Table 16 1 Valid element types Code Description Oh All element types th Medium transport element CHM 2h Storage element one of the ten slots in the cartridge holder 3h Not supported in the EXB 10i 4h Data transfer element CTS Starting Element Address Bytes 02 and 03 The Starting Element Address field allows you to specify the minimum element address to report Th
83. Baud Rate Parameter List The value returned for this field is 20h Parameter List Length Byte 01 The value for this field is 02h which indicates that there are two additional bytes of baud rate data that follow this byte Baud Rate Bytes 2 and 3 This field specifies the values of the baud rate The default is 9600 13 12 510601 13 MODE SENSE 1Ah 13 8 Parity Page 6 RSVD Page Code Parameter List Length Reserved Reserved Reserved The fields in the Parity page are described below PS Page Savable Byte 00 Bit 7 This field specifies that the EXB 10i is capable of saving this page to nonvolatile memory The value returned for this field is 1 Page Code Byte 00 Bits 5 through 0 This field identifies the Parity Parameter List The value returned for this field is 00h Parameter List Length Byte 01 The value for this field is 02h which indicates that there are two additional bytes of parity data that follow this byte Parity Byte 02 Bit 5 This field indicates whether SCSI bus parity is enabled or disabled with the MODE SELECT 15h parameters as follows 1 SCSI bus parity checking disabled 0 SCSI bus parity checking enabled Note You can also enable or disable parity checking with the diagnostics program or with the parity enable disable option For instructions on setting the parity option see Chapter 4 The MODE SELECT command overrides the parity enable
84. Bit 0 The EXB 10i does not support the soft reset alternative in response to a reset condition The value returned for this field is 0 Vendor Identification Bytes 08 through 15 The value contained in these bytes are the ASCII representation of EXABYTE followed by a single space Product Identification Bytes 16 through 31 The values contained in these bytes are the ASCII representation of the product name EXB 10i followed by spaces Firmware Revision Level Bytes 32 through 35 The values contained in these bytes are the ASCII representation of the firmware revision level for example 2 3 or other EXABYTE firmware revisions Vendor Specific Bytes 36 through 55 The values contained in these bytes are the ASCII representation of blanks This field is reserved for future implementation 10 5 10 INQUIRY 12h 10 4 Command Execution This section describes the steps that the EXB 10i follows when executing the INQUIRY command These steps occur after the EXB 10i has been selected and has successfully received the CDB and there are no conditions present that prevent the command from being executed Refer to Section 8 6 for a complete list of conditions that the EXB 10i checks while it is receiving and after it has received the CDB from the initiator Note The following steps describe the normal processing of the command through the bus free phase If the message system is enabled additional errors and pr
85. EXB 10i Cartridge Handling Subsystem User s Manual lt Exabyte 510601 004 Copyright Disclaimer Copyright 1992 by EXABYTE Corporation All rights reserved This item and the information contained herein are the property of EXABYTE Corporation No part of this document may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means electronic mechanical magnetic optical chemical manual or otherwise without the express written permission of EXABYTE Corporation 1685 38th Street Boulder Colorado 80301 EXABYTE Corporation makes no representation or warranties with respect to the content of this document and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose Further EXABYTE Corporation reserves the right to revise this publication without obligation to notify any person or organization of such revision or changes Trademark Notices EXABYTE is a registered trademark and EXATAPE is a trademark of EXABYTE Corporation dataMate is a registered trademark of Methode Electronics Inc TORX is a registered trademark of Camcar Division of Textron Inc Amphenol is a registered trademark of Amphenol Corporation EXABYTE Corporation 1685 38th Street Boulder Colorado 80301 303 442 4333 510601 004 510601 Revision History October 1992 Previous revisions of the manual in
86. EXB 8500 or EXB 8500c 8mm Cartridge Tape Subsystem In the EXB 10i the black plastic frame that can store up to ten 8mm data cartridges The EXB 10i can accommodate one data cartridge holder The minimum time required for deskew of certain signals The termination of communications between the initiator and the selected target Electrostatic discharge The EXB 8200 8mm Cartridge Tape Subsystem The EXB 8200 can store up to 2 5 gigabytes of data on a single 8mm data cartridge 510601 EXB 8200SX EXB 8500 FCC GByte gripper host Hz ID IEC initiator _T_Lnexus KBytes KHz LED LUN MByte NEMA October 1992 Glossary The EXB 8200SX 8mm Cartridge Tape Subsystem The EXB 8200SX is similar to the EXB 8200 but offers a high speed search capability The EXB 8500 8mm Cartridge Tape Subsystem The EXB 8500 can store up to 5 0 gigabytes of data on a single 8mm data cartridge Federal Communications Commission Gigabyte 1 024 MBytes On the EXB 101 s cartridge handling mechanism the metal clips that hold the cartridges as they are being picked and placed Hexadecimal The computer system that acts as the initiator of an operation Hertz Identification International Electrotechnical Commission A host computer system that requests an operation to be performed by a target A nexus which exists between an initiator a target and a logical unit Kilobytes 1 024 bytes Kilohe
87. IALIZE ELEMENT STATUS 07h 9 1 About This Command The INITIALIZE ELEMENT STATUS command instructs the EXB 10i to check all elements for the presence of a cartridge You may find this command useful after a power failure a bus reset or when the EXB 10i door has been opened and the status of each element has become questionable To retrieve the results of this command issue a READ ELEMENT STATUS command If any of the reserved bits are set the EXB 10i sets the following sense data Sense Key Illegal Request 5h ASC Invalid Field CDB 24h ASCQ 00h The bit and field pointers will point to the bit in error If there is a cartridge in the CHM when the INITIALIZE ELEMENT STATUS command is issued the EXB 10i sets the following sense data Sense Key Illegal Request 5h ASC Element Status Error 91h ASCQ 00h 510601 INQUIRY 12h 6 5 3 2 0 0 0 0 Logical Unit Number Reserved Page Code Reserved Allocation Length Control October 1992 10 1 10 INQUIRY 12h 10 1 About This Command The INQUIRY command requests that the EXB 10i send information regarding its parameters to the initiator Typical inquiry data looks like this 08h 80h 02h 02h 33h 00h 00h 00h EXABYTE Each indicates an ASCII space character The inquiry fields are described in the following section 10 2 Field Definitions This section describes the fields in
88. Identify 80h or COh message as first message out 7 3 description of 7 11 handling of a valid handling of an invalid Illegal Request sense key INCR button 2 3 used in option mode used in select mode 7 13 7 14 to 7 15 C 26 4 12 4 15 INITIALIZE ELEMENT STATUS 07h command aborted EXB 10i handling of 7 7 description 9 1 to 9 2 Initiator Detected Error 05h message 7 5 INQUIR Y 12h command description of 10 1 to 10 8 errors reported for 10 6 execution of 10 6 field definitions for 10 2 status reporting for 10 8 use of 8 6 installation 3 1 to 3 34 cartridge tape subsystem 3 9 to 3 23 connecting EXB 10i to SCSI bus 3 25 connecting power to EXB 10i 3 26 data cartridge holder 3 8 to 3 9 data cartridges 3 6 to 3 7 equipment for 3 2 initial power on 3 30 to 3 31 setting SCSIID 3 24 tools for 3 3 L LEDs description of 2 3 list of error codes for option mode display 3 28 reading and using 4 4 to 4 6 LOG SENSE 4Dh command description 11 1 to 11 16 errors reported for 11 16 field definitions for 11 2 log parameters returned use of 8 6 loop option 4 7 C 11 11 4 to 11 12 maintenance preventive of the EXB 10i 5 2 maintenance port 2 7 Message Parity Error 09h message Message Reject 07h message 7 9 messages processing SCSI messages 7 4 SCSI 7 2 sequence of SCSI messages 7 2 unsupported EXB 10i handling of MODE SELECT 15h command description 12 1 to 12 14 errors reported for 12 12 executi
89. Note The LUN may be specified in the CDB or in the Identify message If specified in the Identify message the LUN field in the CDB is ignored Reserved Fields The word Reserved or RSVD in a field definition for a SCSI command refers to fields defined as reserved by the SCSI 2 standard These fields are checked for a value of 0 by the EXB 10i If a 0 is not present the EXB 10i returns Check Condition status with a sense key of Illegal Request 5h Control Byte The Vendor Specific field in the control byte is not used The control byte should always be 0 for all EXB 10i commands The EXB 10i does not support linked commands or recognize the flag bit Fields Not Implemented The field description The EXB 10i does not support this field indicates that the field is supported by the SCSI 2 standard but is not implemented in the EXB 10i October 1992 8 7 8 General SCSI Command Operation 8 4 Command Format Errors Any errors that are caused by illegal parameters in a command descriptor block CDB or parameter list for a particular command are listed at the end of the command chapter Errors of this type return a sense key of Illegal Request 5h 8 5 Command Status The EXB 10i sends one status byte to the initiator in response to each command Note It is also possible for the EXB 10i to go to the bus free phase without reporting status in response to a command sequence If this happens the EXB 10i may leave gene
90. OR CTS CALIBRATION SENSOR CALIBRATION This record indicates that the EXB 10i executed a motion function 510601 History Record Type Associated String 11 LOG SENSE 4Dh Description Cartridge Record CHECK CARTRIDGE PRESENCE This record indicates that the EXB 10i checked for the presence of the cartridge in the grab base It also indicates the following Whether the cartridge was found not found or determined to be only partially seated in the grab base Where the cartridge was found if it existed in the grab base Where the grab base moved to look for the cartridge if it was not found in the grab base Error Record SERVO FUNCTION COMPLETE This record indicates that the EXB 10i completed a motion function It also indicates the resulting error code A successful servo function has error code OOh This error code will be returned in the ASCQ field of the sense data Retry Record PICK RETRY PLACE RETRY CLOSE RETRY This record indicates that the EXB 10i executed a retry It also indicates what type of retry was executed Conflict Record CARTRIDGE CONFLICT This record indicates that the EXB 10i tried to place a cartridge into the CTS or cartridge holder but found another cartridge present This event is only logged in sequential mode This record also indicates where what slot or CTS the cartridge conflict occurred Door Record EXB 10i DOOR OPENED E
91. Reserved Reserved MT gt DT MT I E MT gt ST MT gt MT 1 0 1 0 STSDT ST gt E ST5ST ST gt MT 1 0 1 1 VESDT 1E gt E VESST VE gt MT 0 0 0 0 DT gt DT DT gt I E DT gt ST DT gt MT 0 0 1 1 Reserved Reserved Reserved Reserved Reserved DT Cartridge Tape Subsystem CTS I E Entry Exit Port MT Cartridge Handling Mechanism CHM ST Storage location 13 8 510601 October 1992 13 MODE SENSE 1Ah The fields in the Device Capabilities page are described below PS Page Savable Byte 00 Bit 7 The value returned for this field is 0 which indicates that the EXB 10i cannot save this page to nonvolatile memory Page Code Byte 00 Bits 5 through 0 This field identifies the device capabilities parameter list The value returned for this field is 1Fh Parameter Length Byte 01 The Parameter Length is 18 12h which indicates that there are an additional 18 bytes of device capabilities data to follow this byte StorDT Byte 02 Bit 3 This field identifies the ability of the CTS to perform the function of storage The value returned for this field is 1 Storl E Byte 02 Bit 2 This field identifies the ability of the Entry Exit Port to perform the function of storage Since the EXB 10i does not have an Entry Exit Port the value returned for this field is 0 StorST Byte 02 Bit 1 This field identifies the ability of t
92. SET This record is inserted whenever the EXB 10i sets sense data It also provides the following information The sense key The ASC The ASCQ The initiator ID for which the sense data was set SKSV Record SNSKEY SPEC SET This record indicates that the EXB 10i has set the sense key specific valid bytes of the sense data It also provides the following information Byte 1 of sense key specific bytes Byte 2 of sense key specific bytes Byte 3 of sense key specific bytes Initiator ID Receive Message MSG RECEIVED Record This record indicates that the EXB 10i successfully received a message It also provides the following information The hexadecimal code of the message received The last phase that was active before the message was received Initiator ID MSG SENT Send Message Record October 1992 This record indicates that the EXB 10i successfully sent a message It also provides the following information The hexadecimal code of the message sent The last phase that was active before the message was sent Initiator ID 11 13 11 LOG SENSE 4Dh History Record Type Associated String Description Status Record STATUS SENT This record indicates that the EXB 10i successfully sent the status byte lt also provides the following information The hexadecimal code of the status byte sent Initiator ID
93. Sensor Position Bytes 08 through 11 This field defines a lower bound of possible cartridge sensor positions Calibrated Cartridge Sensor Position Bytes 12 through 15 This field defines the calibrated cartridge sensor position on the CHM 17 6 Eject Position Calibration Page 82h Page Code 82h Reserved Page Length 12 Upper Bound for Eject Position Lower Bound for Eject Position October 1992 Calibrated Eject Position The Eject Position Calibration page is returned after an eject position calibration was requested in the previous SEND DIAGNOSTIC command The EXB 10i returns 16 bytes during a RECEIVE DIAGNOSTIC RESULTS command following a SEND DIAGNOSTIC command with a page code of 82h Page Length Bytes 02 and 03 The Page Length field specifies the length in bytes of the Eject Position Calibration page This page has a page length field of 12 17 7 17 RECEIVE DIAGNOSTIC RESULTS 1Ch Upper Bound for Eject Position Bytes 04 through 07 This field defines an upper limit of possible eject positions Lower Bound for Eject Position Bytes 08 through 11 This field defines a lower limit of possible eject positions Calibrated Eject Position Bytes 12 through 15 This field defines the horizontal eject position 17 7 Command Execution 17 8 This section describes the steps that the EXB 10i follows when executing the RECEIVE DIAGNOSTIC RESULTS command These steps o
94. XB 10i If you cannot determine the problem contact your vendor Description The grab base cannot pick a cartridge from the CTS Corrective Action Make certain the CTS is mounted correctly as described in Chapter 3 If the CTS is not the problem contact your vendor Description The grab base cannot pick the cartridge from the CTS Corrective Action Make certain the CTS is mounted correctly as described in Chapter 3 If the CTS is not the problem contact your vendor October 1992 Description The CHM attempted to pick a cartridge from the source CTS or cartridge holder slot The cartridge inventory indicates the source is full Corrective Action None The CHM automatically moves to the next action in the current pick and place cycle For the EXB 10i a Slot or CTS Empty status is returned to the host C 13 Appendix C EXB 10i Error Conditions Top Bottom LED LED Description Corrective Action Display Display O ml Description The grab base cannot pick from the CTS because the O CTS door is closed Corrective Action If you want to restart the pick and place cycle press the unload button to open the CTS door If you do not want the CHM to pick from the CTS turn the EXB 10i off and then on then set the restart option to on This action ensures that the EXB 10i starts its pick and place cycle from cartridge one The EXB 10i returns Door Closed status to the host Description T
95. XB 10i DOOR CLOSED This record indicates that the EXB 10i door was opened or closed The door open event is only added in sequential mode The door close event is added in both sequential and random modes Data Cartridge Holder Record October 1992 DATA CARTRIDGE HOLDER REMOVED DATA CARTRIDGE HOLDER REPLACED This record indicates when the cartridge holder has been removed and replaced into the EXB 10i 11 15 11 LOG SENSE 4Dh 11 4 Errors Reported Table 11 8 lists errors for the LOG SENSE command Table 11 8 Invalid parameters in the LOG SENSE CDB The reserved bit is set in the CDB The pointers point to the bit in error The PC field is incorrect It must be set to 01b Invalid page code Invalid parameter pointer 11 16 510601 MODE SELECT 15h 6 5 2 0 0 1 Logical Unit Number Reserved Reserved Reserved Parameter List Length October 1992 Control 12 MODE SELECT 15h 12 1 About This Command The MODE SELECT command enables the initiator to specify medium logical unit or device parameters for the EXB 10i These parameters are used to configure the EXB 10i upon power up a SCSI bus reset or receipt of a Bus Device Reset message The initiator provides the parameters in a parameter list including the following 4 bytes for the parameter list header required 2
96. Y 12h command to obtain information about the EXB 101 s firmware level the version of SCSI supported by the EXB 10i and so on The READ ELEMENT STATUS B8h Command You can use the READ ELEMENT STATUS B8h command to report the status of the EXB 10i s internal elements to the initiator The LOG SENSE 4Dh Command You can use the LOG SENSE command to retrieve the EXB 10i s statistical and state information This type of information includes the following m EXB 10i statistics m History of recent EXB 10i events m State of the EXB 10i hardware Performing Diagnostics You can perform diagnostics to find out detailed information about EXB 10i operations The SEND DIAGNOSTIC 1Dh command allows you to run special EXB 10i diagnostic tests The RECEIVE DIAGNOSTIC RESULTS 1Ch command allows you to obtain diagnostic results or a dump that provides you with information about the status of EXB 10i operations 510601 8 General SCSI Command Operation 8 3 Command Format The EXB 10i uses 6 byte 10 byte and 12 byte commands whose formats are described in the SCSI 2 standard Any command descriptor block CDB fields that are specific to the EXB 10i for a given command are described in the command chapter This section describes the CDB fields that are common to every command Logical Unit Number LUN Field The EXB 10i is a single device target and does not support multiple devices The LUN for each command must be 0
97. Y 6 5 4 3 2 1 0 0 0 0 1 0 1 1 0 Logical Unit Number 3rdPty Third Party Device ID Element Reservation Identification MSB Element List Length Control October 1992 20 1 20 RESERVE 16h 20 1 About This Command The RESERVE command allows the initiator to perform two types of reservations m Unit reservation reservation of the EXB 10i as a whole Element reservation reservation of specific elements of the EXB 10i including data cartridge slots the CTS and the CHM Reservations can be released with the RELEASE 17h command from the same initiator a Bus Device Reset message a SCSI bus reset or a power on reset of the EXB 10i The RESERVE command can be used to modify or supersede a previous element reservation by the same initiator If the superseding reservation does not result in any reservation conflicts or error conditions the previous reservation is released and the new reservations are completed A reservation is superseded by issuing another reserve command with the same Reservation Identification Notes If the EXB 10i is reserved as a unit the EXB 10i will process only the following commands from another initiator m INQUIRY a RELEASE a REQUEST SENSE All other commands result in a Reservation Conflict 18h status If an initiator has reserved at least one element another initiator cannot do the following m Move a data cartridge to or from
98. a O cartridge holder slot or in the CTS when another cartridge is already present This error occurs only in sequential mode Corrective action Open the EXB 10i door remove one of the conflicting cartridges then close the door EXB 10i operation should resume normally If you removed the cartridge from the grab base the EXB 10i considers the place operation complete If you removed the cartridge from the cartridge slot or CTS the EXB 10i will place the cartridge left in the grab base Description The EXB 10s door is open automatic operation cannot continue Corrective action Close the door of the EXB 10i to restart operation Description A cartridge holder is not installed or the cartridge holder is not properly seated Corrective action Install a cartridge holder if necessary or check to ensure that the cartridge holder is installed correctly If the cartridge holder is not the problem contact your vendor October 1992 C 11 Appendix C EXB 10i Error Conditions Top Bottom LED LED Description Corrective Action Display Display O O Description The EXB 10i has finished processing all cartridges in the cartridge holder This error occurs only in sequential mode Corrective action The EXB 10i is waiting for user action You can restart the pick and place cycle in one of these ways Use select mode to specify the next cartridge to be processed Replace the cartridge holde
99. able 8 3 Command handling when an Invalid LUN has been sent to the EXB 10i 8 16 Table 8 4 Command handling when the EXB 10i is reserved by a different IIA 3 5 50 0 a AA Yo Dh BA a oY bow Skee es gas 8 18 Table 8 5 Command handling when the EXB 10i is disconnected 8 19 Table 8 6 Command handling when a Unit Attention condition is pending 8 20 Table 8 7 Command handling when an Unrecoverable Hardware error has DECUSA ya aided Hee KEE OSS DR ES A AA AA eos 8 21 Table 8 8 Command handling when the EXB 10i is offline 8 22 INQUIRY 12h Table 10 1 Invalid parameters in the INQUIRY CDB 10 6 LOG SENSE 4Dh Table 11 1 Acceptable values for the Page Code field 11 3 Table 11 2 EXB 10i system statistics saved in nonvolatile RAM 11 8 Table 11 3 EXB 10i system statistics not saved in nonvolatile RAM 11 9 Table 11 4 Log parameters for EXB 10i sensors 000 11 10 Table 11 5 Log parameters for the EXB 10i mechanism position 11 11 Table 11 6 Log parameters for home frequency operations 11 11 Table 11 7 EXB 10i history of events 56s kG 0 wR ek OEE OSG OOH 11 13 Table 11 8 Invalid parameters in the LOG SENSE CDB 11 16 xviii 510601 MODE SELECT 15h Table 12 1 Invalid parameters in the MODE SELECT CDB or MODE SELECT data RA A A ON 12 12 MODE SENSE 1Ah Table 13 1 Invalid parameters in the MODE SENSE CDB
100. about 20 values that indicate where in the firmware the inconsistency was discovered C 30 510601 Calibrating the Cartridge Sensor and Eject Position October 1992 This appendix describes how to perform the cartridge sensor calibration and the eject position calibration During the cartridge sensor calibration process the grab base correctly locates the cartridge sensor on the horizontal axis with the help of the cartridge sensor calibration block During the eject position calibration the EXB 10i determines the exact position of the solenoid on the CHM The solenoid is used to eject a cartridge on the grab base You only need to perform a cartridge sensor calibration or the eject position calibration in the following circumstances m When you replace the cartridge handling mechanism When you replace the VMC card When the EXB 10i displays more than one 1Ch error code within 10 pick and place cycles m When you upgrade to new firmware Appendix D Calibrating the Cartridge Sensor and Eject Position Using the Calibration Block For the cartridge sensor calibration procedure you may need either a white or black calibration block depending on the EXB 10i s firmware level If you do not use the correct calibration block with the appropriate firmware level the EXB 101 s future pick and place operations may be unsuccessful Refer to the table below to find out what type of calibration block you must use Table D 1 Calibrat
101. age Reject message Does not set illegal sense data since the command is complete Continues to message in phase to send the Command Complete message Message Out Ifthe command is complete and an attempt has been made to return status 1 Sends a Message Reject message 2 Does not set sense data since the command is complete Otherwise returns set Check Condition status and sets sense data Sense Key Illegal Request 5h ASC Invalid Bits in the Identify message 3Dh ASCQ 0 Message In Sends a Message Reject message Cmd Complete 2 Does not set illegal sense data since the command was already processed Goes to the bus free phase Message In Does not disconnect Disconnect Aborts the current operation Returns Check Condition status and sets sense data Sense Key Illegal Request ASC Invalid Bits in the Identify message 3Dh ASCQ 0 Goes directly to status phase October 1992 7 15 7 SCSI Physical Path Communications If the Invalid Identify Message has the Reserved bits set to 3 4 or 5 during this phase The EXB 10i takes the following action Message In Restore Ptrs Msg Reject Identify A If the command is complete and an attempt has been made to return status 1 Sends a Message Reject message 2 Does not set sense data since the command was already processed B Otherwise returns Check Condition status and sets sense data Sense Key Illegal Request
102. age system is enabled this condition was already checked in step 1 NO Goto condition 5 YES This handling of the condition is independent of the requested command and occurs when the EXB 10i has disconnected from an initiator to process a lengthy operation and the same initiator selects the EXB 10i without ATN After the EXB 10i receives the CDB and determines that the command was issued to LUN 0 the EXB 10i takes the following action 1 The sense data is set as follows Sense Key Aborted Command Bh ASC Overlapped Commands Attempted 4Eh ASCQ 0 2 The EXB 10i aborts the command that it was processing The EXB 10i will terminate the command with Check Condition status See Section 7 4 for more information on an incorrect initiator connection October 1992 8 17 8 General SCSI Command Operation 5 Reservation Conflict Condition Is the EXB 10i reserved by a different initiator Note Refer to Chapter 20 for more information on the RESERVE command NO Go to condition 6 YES A different initiator has reserved the entire EXB 10i See Table 8 4 for command handling Table 8 4 Command handling when the EXB 10i is reserved by a different initiator Returns Reservation Conflict status X XIXIXIXIXIXIX XIX X Continues processing the command X Xx X 8 18 510601 8 General SCSI Command Operation 6 Busy Condition Is the EXB 10i disconnected processing a previous command or waiting for a motion proce
103. al Mode Only When you place the EXB 10i in select mode a single LED flashes to indicate the next cartridge scheduled for processing For specific instructions on select mode see Section 4 3 Error Code Display If an error occurs during EXB 10i operation an error code displays on the LEDs You can distinguish error codes from other types of LED displays because two or more LEDs flash when an error occurs During normal error free operation no more than one LED flashes at one time For additional information about EXB 10i error codes refer to Appendix C 4 5 4 Operating the EXB 10i User Options Display When the EXB 10i is in option mode LEDs 1 through 4 and 6 through 8 indicate user options as shown in Figure 4 1 Typically you set user options the first time the EXB 10i is powered on The EXB 10i uses its nonvolatile RAM to remember the settings of these options through power cycles For instructions on setting user options refer to Section 4 3 Figure 4 2 User options for EXB 10i code levels 2 6 and up 4 6 510601 October 1992 4 Operating the EXB 10i The user options are described below and on the following pages Restart Option LED 1 Sequential Mode Only When power to the EXB 10i is disconnected or turned off the EXB 10i stores information about which data cartridges have been processed and which data cartridge is currently being processed in nonvolatile RAM When the EXB 10i is in s
104. and continues processing as before Otherwise goes to the bus free phase Message In Msg Reject Restore Ptrs Identify October 1992 DiscPriv Bit 6 of Identify message out Continues processing the command as before 7 13 7 SCSI Physical Path Communications Table 7 7 Handling of Invalid Identify message with different LUN If the Invalid Identify message has a different The EXB 10i takes the following action LUN during this phase Select Goes to the bus free phase immediately and sets sense data Sense Key Aborted Command Bh ASC Message Error 43h Data Out ASCQ 0 Command Data In Status Message Out Message In Cmd Complete Disconnect Msg Reject Restore Ptrs Identify 7 14 510601 7 SCSI Physical Path Communications Table 7 8 Handling of Invalid Identify message with Reserved bits 3 4 or 5 set If the Invalid Identify Message has the Reserved bits set to 3 4 or 5 during this phase The EXB 10i takes the following action Select 1 Returns Check Condition status and sets sense data Sense Key Illegal Request ASC Invalid Bits in Identify message 3Dh ASCQ 0 Goes directly to status phase skips command phase Returns Check Condition status and sets sense data Sense Key Illegal Request ASC Invalid Bits in Identify message 3Dh ASCQ 0 Goes directly to status phase skips any data phase Sends a Mess
105. ase Refer to Section 7 1 for more information about the message system and possible error conditions The EXB 10i takes the following actions to finish processing the command 1 Checks the parameters in the CDB The EXB 10i checks the parameters in the CDB for valid values If any of the parameters are invalid the EXB 10i skips to step 8 returns Check Condition status and sets the sense data as shown in Table 20 1 Checks the reserve request as follows Unit reservation request If the Element bit is 0 the initiator is requesting that the entire EXB 10i be reserved as a unit The EXB 10i checks to see if any elements are reserved by a different initiator If an element is reserved by a different initiator the EXB 10i returns Reservation Conflict status and clears the sense data If no elements are reserved by a different initiator the EXB 10i returns Good status and clears the sense data In either case the EXB 10i skips to step 8 Element reservation request If the Element bit is 1 the initiator is requesting that one or more elements be reserved under the specified Reservation Identification If the Allocation Length is 0 the EXB 10i skips to step 8 returns Good status no elements are reserved and clears the sense data If the Allocation Length is not 0 and is not an 20 5 20 RESERVE 16h 20 6 increment of 6 the EXB 10i skips to step 8 returns Check Condition status and sets the sense data as shown in
106. atistics Log parameters with a parameter code of 0 through 99 correspond to the system statistics that the EXB 10i keeps in nonvolatile RAM Table 11 2 summarizes these log parameters Table 11 2 EXB 10i system statistics saved in nonvolatile RAM Log Parameter Control Byte Log Parameter Parameter Parameter Function Code DS TSD ETC TMC Length Number of Picks 0 0 0 0 0 Number of Places 1 0 0 0 0 Number of CTS Door 2 0 0 0 Closes Number of Y Axis Moves Number of Y Axis Homes Number of Z Axis Homes Power On Minutes Nonsaved EXB 10i Statistics Log parameters that are not saved in the EXB 10i nonvolatile RAM are EXB 10i retry counts These counts are reset to zero whenever you reset the EXB 10i Table 11 3 summarizes these counts 11 8 510601 11 LOG SENSE 4Dh Table 11 3 EXB 10i system statistics not saved in nonvolatile RAM Log Parameter Control Byte Log Parameter Parameter Parameter Function Code DS TSD ETC TMC Length Pick Retry 100 1 0 0 0 CTS Pick Retry 101 Zero to Slowdown Pick Retry 102 Slowdown to Pick Place Retry 103 Solenoid Place Retry 104 Eject Place Retry 105 Droop Place Retry 106 Droop Catch Place Retry 107 Clear Solenoid Close CTS Door 108 Retry Close CTS Door Home Z Retries Move Y Retries Picks from CTS that required no retries Picks from CTS that required 1 retry
107. ator to grant the EXB 10i disconnect privileges as follows 0 Disconnect is not allowed 1 Disconnect is allowed When the Identify message is sent by the EXB 10i the DiscPriv is set to 0 LUNTAR Bit5 This bit must be set to 0 for the EXB 10i to indicate that the Identify message is directed to a logical unit LUN Bits 2 through 0 The only supported Logical Unit Number LUN for the EXB 10i is 0 Notes m Ifthe LUN field is set to a value other than 0 the EXB 10i returns Check Condition status to commands other than INQUIRY and REQUEST SENSE and the sense data is set to indicate that the logical unit is not supported 7 11 7 SCSI Physical Path Communications m Ifan INQUIRY command is directed to an LUN other than 0 the first byte of INQUIRY data indicates that the EXB 10i is not capable of supporting a physical device on the requested LUN m Ifthe REQUEST SENSE command is directed to an LUN other than 0 the sense data returned indicates that the logical unit is not supported See Section 7 3 for more information about invalid LUN selection The Identify message is considered invalid if a reserved bit is set to 1 or if the LUNTAR bit is set to 1 The initiator can send one or more Identify messages during a connection The only reason for an Initiator to send more than one Identify message during a connection is to change the Disconnect Privilege When the EXB 10i processes commands that require a lengthy a
108. ccur after the EXB 10i has been selected and has successfully received the CDB and there are no conditions present that prevent the command from being executed Refer to Section 8 6 for a complete list of conditions that the EXB 10i checks while it is receiving and after it has received the CDB from the initiator Note The following steps describe the normal processing of the command through the bus free phase If the message system is enabled additional errors and processing can occur anytime the EXB 10i responds to ATN with a message out phase Refer to Section 7 1 for more information about the message system and possible error conditions The EXB 10i takes the following actions to finish processing the command 1 Checks the Allocation Length If the Allocation Length is not zero the EXB 10i proceeds to step 2 Otherwise the EXB 10i skips to step 3 returns Good status to the initiator and clears the sense data 2 Sends diagnostic data to the initiator The EXB 10i goes to the data in phase and sends the initiator the requested number of bytes or the number of bytes available whichever is less 3 Sends appropriate status to the initiator 510601 17 RECEIVE DIAGNOSTIC RESULTS 1Ch The EXB 10i goes to the status in phase and returns either Good Check Condition Busy or Reservation Conflict status to the initiator 4 Sends the Command Complete message to the initiator After the status in byte has been accepted by
109. cessed current cartridge being processed O processed cartridge O processed cartridge oO O processed cartridge 3 Press the INCR button to cause the next LED to flash October 1992 4 15 4 Operating the EXB 10i 4 Continue pressing the INCR button until the LED corresponding to the next cartridge you want to be processed next is flashing For example Normal LED Display Select Mode Display next cartridge to be processed O 00000 current cartridge being processed processed cartridge processed cartridge e processed cartridge ox o 00000 0000 5 When the LED corresponding to the next cartridge you want to be processed is flashing press the SEL button to exit select mode The normal LED display reappears The next time the CTS door opens the CHM moves from the park position picks the current data cartridge from the CTS replaces it in its previous slot and then ascends or descends to whichever data cartridge you specified as being next and places it into the CTS The EXB 10i continues to process cartridges sequentially starting with the cartridge you selected until you select a different cartridge 4 16 510601 4 Operating the EXB 10i 4 4 Stopping EXB 10i Operation To stop EXB 10i operation follow these steps 1 Wait for the cartridge handling mechanism CHM to move safely out of the way either all the way up or all the way down 2 Open the front door Current to all motors is t
110. cification 510200 m EXB 8500 8mm Cartridge Tape Subsystem User s Manual 510201 m EXB 8500c 8mm Cartridge Tape Subsystem User s Manual 510209 Standards ANSI Small Computer System Interface SCSI X3 131 1989 m ANSI Small Computer System Interface 2 SCSI 2 X3T9 89 042 ANSI Helical Scan Digital Computer Tape Cartridge X3B5 89 136 Rev 6 1 6 510601 EXB 10i Major Components This chapter provides illustrations and descriptions of major EXB 10i components Refer to this chapter when you need to know where a particular component is located or when you need to learn about the function of a particular component October 1992 2 1 2 EXB 10i Major Components 2 1 Front Panel Components Figure 2 1 shows the major components on the front panel of the EXB 10i Figure 2 1 Front panel components of the EXB 10i 2 2 510601 October 1992 2 EXB 10i Major Components Door When you open the door two interlock switches inside the door cause the cartridge handling mechanism to freeze in its current position See Figure 2 2 for the location of the cartridge handling mechanism This safety feature enables you to perform the following actions without disturbing EXB 10i operation m Access and control CTS operations m Remove and replace individual data cartridges in the data cartridge holder see Figure 2 2 for the location of the cartridge holder m Remove and replace the data cartridge holder Pow
111. clude the following Revision Date 000 draft March 1991 draft 000 draft August 1991 draft 001 September 1991 initial release 002 January 1992 003 January 1992 004 October 1992 For information about the changes and enhancements to this revision refer to page vil Product Warranty Caution The EXB 10i Cartridge Handling Subsystem CHS is warranted to be free from defects in materials parts and workmanship and will conform to the current product specification upon delivery For the specific details of your warranty refer to your sales contract or contact the company from which the EXB 10i was purchased The warranty for the EXB 10i shall not apply to failures caused by Physical abuse or use not consistent with the operating instructions or product specification provided by EXABYTE s personnel or agent for the applicable equipment a Modifications by other than EXABYTE s personnel or agent in any way other than those approved by EXABYTE provided the warranty shall not be voided by the repair or replacement of parts or the attachment of items in the manner described in maintenance or installation instructions provided by EXABYTE a Repair by other than EXABYTE s personnel or agent in a manner contrary to the maintenance instructions provided by EXABYTE Removal of the EXABYTE serial number tag a Physical abuse due to improper packaging of returns CAUTION Returning the EXB 10i in unauthorize
112. ct your vendor Description The CHM cannot perform CTS calibration on the horizontal axis Corrective Action The CTS s horizontal axis position may be out of range Try reinstalling the CTS as described in Chapter 5 to see if this solves the problem If the CTS is installed correctly check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor Description The CHM cannot perform the CTS calibration because there is a cartridge in the CTS Corrective Action Manually remove the cartridge from the CTS Make certain the CTS door is open and that no cartridge is in the grab base Then reset the EXB 10i October 1992 Description The CHM cannot find a cartridge in the cartridge holder Corrective Action Place a cartridge in the cartridge holder and reset the EXB 10i Note The calibration will perform after a reset only if the calibration was part of a power on self test not if calibration was invoked through SCSI or through Diagnostics C 21 Appendix C EXB 10i Error Conditions Top Bottom LED LED Description Corrective Action Display Display Description The grab base cannot move to the cartridge sensor calibration position Corrective Action First check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i Next recalibrate the cartrid
113. cte par le Ministere des Communications du Canada English translation This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus as set out in the radio interference regulations of the Canadian Department of Communications VDE Notices vi Bescheinigung des Herstellers Importeurs Hiermit wird bescheinigt daB das EXB 10i in Ubereinstimmung mit den Bestimmungen der Vfg 523 1969 und Funk entst rt ist Der Deutschen Bundespost wurde das in Verkehr bringen dieses Gerates angezeigt und die Berechtigung zur Uberprufung der Serie auf Einhaltung der Bestimmungen eingeraumt Einhaltung mit betreffenden Bestimmungen kommt darauf an da geschirmte Ausf hrungen gebraucht werden F r die Beschaffung richtiger Ausf hrungen ist der Betreiber verantwortlich Dieses Ger t wurde sowohl einzeln als auch in einer Anlage die einen normalen Anwendungsfall nachbildet auf die Einhaltung der Funkentst rbestimmungen gepr ft Es is jedoch m glich da die Funkentst rbestimmungen unter ung nstigen Umst nden bei anderen Ger tekombinationen nicht eingehalten werden Der Betreiber is f r die Einhaltung der Funkentst rungs Bestimmungen seiner eigenen Anlage verantwortlich in der dieses Ger t betrieben wird English Translation Certificate by Manufacturer Importer This is to certify that the EXB 10i is shielded against radio interference in accordance with the provisions of Vfg 523 1969 The G
114. d Commands Attempted 4Eh ASCQ 0 The EXB 10i returns Check Condition status for the current I O process The EXB 10i aborts command that it was processing Unexpected SCSI Status The EXB 10i encounters an unusual condition such as an unexpected status returned from the SCSI hardware The EXB 10i sets the sense data as follows Sense Key Hardware error 4h or Aborted Command Bh ASC Internal Target Failure 44h ASCQ 80h to AFh When such an error occurs there may be a problem with the EXB 10i firmware If this is the case contact your vendor For all of the above errors unless specifically indicated that the EXB 10i will go bus free the EXB 10i will immediately enter status phase and return Check Condition status No command phase will execute 8 12 510601 8 General SCSI Command Operation 2 Error Conditions While Receiving the CDB Did an error occur while the EXB 10i was receiving the CDB NO Goto condition 3 YES The EXB 101 s handling of errors received during the command phase is independent of the requested command As shown in Figure 8 2 the EXB 10i receives the CDB in the following manner 1 The EXB 10i receives the first CDB byte If the EXB 10i does not detect a parity error it goes to step 2 If a parity error has been detected and message passing has not been established the EXB 10i will go immediately to the bus free phase The EXB 10i cannot receive the remaining CDB bytes because it does
115. d for shipping you can place it in the shipping carton To pack the EXB 10i follow these steps 1 If necessary reassemble the original shipping carton by taping the flaps shut at the bottom Place one packing cushion in the bottom of the box with the fitted space for the EXB 10i facing up Figure 6 3 on the next page shows how the EXB 10i and the packing materials fit in the box Carefully lift the EXB 10i into the shipping carton and lower it into the fitted space in the packing cushion Be sure that the EXB 10i is correctly seated in the cushion Place the other packing cushion on top of the EXB 10i with the fitted space for the EXB 10i facing down Place the data cartridge holder the manual and the power cord in the accessory box The box contains a slot for each item Place the accessory box on top of the top packing cushion with the holes in the box facing up Ensure that the necessary paperwork is in the EXB 10i box and tape the box shut Place the shipping label on the box 6 5 6 Packing and Shipping the EXB 10i Accessory Box a Upper Packing Cushion Y 10i g Lower Packing Vi 7 as YZ Figure 6 3 Packing the EXB 10i 6 6 510601 Part 3 Implementing SCSI Commands SCSI Physical Path Communications October 1992 This chapter describes aspects of SCSI physical path communications for the EXB 10i and how the EXB 10i does the following
116. d off October 1992 3 31 3 Installing the EXB 10i If the EXB 10i Has Been Stored for Six Months or More If the EXB 10i has been stored for six months or more you need to perform some warm up exercises on the CTS and the EXB 10i To do this follow the instructions below 1 3 32 Follow the instructions under If the EXB 10i Has Been Stored for Less Than Six Months to turn on power to the EXB 10i Connect the CTS to a suitable test system through the SCSI interface Open the EXB 10i door Press the unload button on the front of the CTS and insert a data cartridge Push the door shut and wait while the CTS loads the tape and positions it at LBOT This takes about 50 seconds First issue a WRITE command to write approximately 500 MBytes of data to the tape Second issue a REWIND command to rewind the tape to LBOT Third issue a READ command to read the data written on the tape Repeat step 4 at least two times or for two hours whichever is greater Note If the CTS has been stored for a long period errors may occur during the exercise period If an error occurs reset the CTS and repeat steps 4 and 5 as necessary After the CTS has completed reading and writing data exercise the EXB 10i by performing 10 pick and place cycles in which the cartridge handling mechanism picks each of the 10 data cartridges from its slot places it in the CTS then returns the cartridge to its slot See Chapter 4 for more info
117. d packaging may damage the unit and void the warranty If you are returning the EXB 10i for repair package it in its original packaging or in replacement packaging obtained from your vendor Refer to the packing instructions in this manual If problems with the EXB 10i occur contact your maintenance organization do not void the product warranty by allowing untrained or unauthorized personnel to attempt repairs iv 510601 FCC Notice CSA Notice October 1992 This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Shielded cables are required for this device to comply with FCC Use shielded cables when connecting this device to others Le present appareil numerique n emet pas de bruits radioelectriques depassant les limites applicables aux appareils numeriques de Classe A prescrites dans le reglement sur le brouillage radioelectrique edi
118. digit hexadecimal numbers LEDs 1 through 4 that is the lowest four LEDs display the least significant digit of this number while LEDs 6 through 9 display the most significant digit To make the error code display easier to read LEDs 5 and 10 are not used for error code displays In the following example error code 26h 0010 0110 is displayed LED 10 not used LED 9 LED 8 LED 7 LED 6 t O O O OO 0 gt LED 5 not used LED 4 LED 3 LED2 LED 1 ae AW OAS ae O C 3 Appendix C EXB 10i Error Conditions List of Error Conditions C 4 The following sections list the ASC and ASCO settings that result from EXB 10i error conditions These descriptions are listed in order by ASC and ASCO for each of the following sense keys Not Ready 2h See Table C 2 Hardware Error 4h See Table C 4 Illegal Request 5h See Table C 6 Unit Attention 6h See Table C 7 Aborted Command Bh See Table C 7 The tables contain three or four columns as described below ASC Additional Sense Code Corresponds to byte 12 of the sense data returned in response to the REQUEST SENSE command ASCO Additional Sense Code Qualifier Corresponds to byte 13 of the sense data returned in response to the REQUEST SENSE command LED Display Provides the number in hex that displays on the LEDs if applicable Not all tables contain this column Description Provides an explanation of the error 510601 Appendix C EXB
119. dor Description The grab base cannot complete a procedure that allows it to define zero on the horizontal axis Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor Description The grab base cannot complete a procedure that allows it to define zero on the horizontal axis Corrective Action Reset the EXB 10i If the error still displays contact your vendor You may need new firmware Description The grab base cannot complete a procedure that allows it to define zero on the horizontal axis Corrective Action Reset the EXB 10i If the error still displays contact your vendor You may need new firmware Description The grab base cannot complete a procedure that allows it to define zero on the horizontal axis Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor C 16 510601 Top Bottom LED LED Display Display Appendix C EXB 10i Error Conditions Description Corrective Action O O O O Description The grab base cannot complete a procedure that allows it to define zero on the horizontal axis Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the err
120. during execution of commands requested by an unknown initiator Therefore if the EXB 10i is selected without the initiator s ID on the bus and that initiator requests a command that ends with Check Condition status the same initiator can again select the EXB 10i without its ID on the bus and get the correct sense data using the REQUEST SENSE 03h command Aborting a SCSI Motion Command While the EXB 10i is in the process of aborting a motion command it returns Busy status to all initiators requesting any command other than INQUIRY 12h and REQUEST SENSE 03h This allows the EXB 10i to complete the abort process as quickly as possible The EXB 10i aborts a motion command when it receives an Abort message from the same initiator that requested the command see Section 7 1 for details on the Abort message or after an incorrect initiator connection as described above October 1992 7 25 7 SCSI Physical Path Communications 7 5 Not Ready Condition The EXB 10i establishes the Not Ready condition when it cannot accept any motion commands All other commands are still performed as specified Any of the following conditions prevent the EXB 10i from performing a motion command Initialization in progress This occurs after any of the following e The EXB 10i is powered on e The EXB 10i is reset m The EXB 10i door is opened When the EXB 10i door is opened electric current to all motors is shut off The EXB 10i then establis
121. e As you turn the pulley the grab base moves out Keep turning the lead screw pulley until the grab base is in the outermost position Figure 3 2 Turning the lead screw pulley 3 5 3 Installing the EXB 10i 3 3 Installing the Data Cartridges This section describes how to insert the data cartridges in the EXABYTE 8mm Data Cartridge Holder which can hold up to 10 data cartridges Although you can place the data cartridges in the cartridge holder before or after it is installed in the EXB 10i it is easier to insert them beforehand To place the data cartridges in the cartridge holder before installing it in the EXB 10i follow these steps 1 Ensure that the write protect switches on the data cartridges have been set correctly for the desired operation If the red switch is fully visible the data cartridge is write protected and cannot be written to or erased 2 Place the cartridge holder on its back as shown in Figure 3 3 The end closest to the oval slot on the back of the cartridge holder should be toward you Figure 3 3 Inserting a data cartridge in the data cartridge holder 3 6 510601 October 1992 3 Installing the EXB 10i Insert a data cartridge into one of the 10 positions in the cartridge holder with the write protect switch toward your right Note Very little force is needed to install a data cartridge into the cartridge holder If the cartridge does not snap into place easily check the orientation of
122. e Chapter 12 Disabling Parity Checking To disable parity checking do only one of the following Turn off the parity enable disable option For more information about this option see Chapter 4 or pen a Disable parity checking in the current MODE SELECT parameters For more information about the MODE SELECT command see Chapter 12 Note The default factory setting for the EXB 10i is parity checking enabled October 1992 7 17 7 SCSI Physical Path Communications Systems That Support Only the Command Complete Message This section identifies potential error conditions and actions taken by the initiator and the EXB 10i The conditions described are for those systems that support only the Command Complete message Parity Error in Command Out Phase For a description of how the EXB 10i handles a parity error during the command out phase refer to Figure 8 2 Parity Error in Data Out Phase When parity checking is enabled and the EXB 10i detects a parity error in the data during the data out phase the EXB 10i waits until it has received all the data from the initiator and then proceeds to the status phase It then sends Check Condition status to the initiator followed by a Command Complete message The initiator should reissue the command The EXB 10i sets the sense data as follows Sense Key Hardware Error 4h ASC SCSI Parity Error 47h ASCQ 00 Parity Error in the Data In Phase When the initiator detects a
123. e command 2 When the EXB 10i is finished processing the command it arbitrates for the SCSI bus 3 Upon winning arbitration the EXB 10i reselects the initiator and sends an Identify message to the initiator via the Message In phase 7 23 7 SCSI Physical Path Communications This revives the I_T_L nexus so that the initiator can retrieve the correct set of pointers for the I O process 4 The initiator restores the active pointers to their most recent saved values which in this case are the initial values and the EXB 10i completes the I O process While the EXB 10i is disconnected processing the command or trying to reconnect to the initiator the EXB 10i returns Busy status to all other initiators requesting commands other than REQUEST SENSE 03h and INQUIRY 12h Incorrect Initiator Connection An incorrect initiator connection occurs when the EXB 10i is disconnected from an initiator to process a requested SCSI command and that same initiator then selects the EXB 10i to request that another command be processed Note The same initiator is allowed to reselect the EXB 10i as long as that initiator connects to a different invalid LUN or sends an Abort message or Bus Device Reset message during the first message out phase For more information about messages see Section 7 1 The EXB 10i detects an Incorrect Initiator Connection in each of the following cases m The same initiator selects the EXB 10i with ATN
124. e C 6 lists Illegal Request 5h error conditions Table C 6 ASC and ASCQ values for the Illegal Request sense key 5h ASC byte 12 Description The parameter list length was not valid appears in the MODE SELECT command The command OP code was invalid The EXB 10i will receive all the CDB bytes if the command OP code had a valid group code If the command OP code did not have a valid group code the EXB 10i will go to status phase after the first byte in the command phase and return Check Condition status There were invalid fields in the CDB 1Ah There was an invalid element address specified in the CDB The logical unit specified in the Identify message or in the CDB is not zero There was an invalid parameter in the parameter list There was an element status error The destination element was occupied for a MOVE MEDIUM command The source element was empty for a MOVE MEDIUM command The CHM was occupied for a MOVE MEDIUM command A MOVE MEDIUM command was issued and both the source and destination element were the CHM The CTS door was closed and the source element in a MOVE MEDIUM command was the CTS The CTS door was closed and the destination element was the CTS The destination element in a POSITION TO ELEMENT command was park but there is a cartridge in the grab base and the EXB 10i cannot move to park The destination element in a POSITION TO ELEMENT command wa
125. e EXB 10i will provide a self defined method for saving log parameters If this bit is set to 1 either the EXB 10i does not provide a self defined method for saving log parameters or the self defined method has been disabled by the initiator ETC Enable Threshold Comparison If this bit is set to 0 a comparison to the threshold value is not performed whenever the cumulative value is updated If this bit is set to 1 the comparison is performed TMC Threshold Met Criteria This bit defines the basis for comparison of the cumulative and threshold values and is only valid if the ETC bit is 1 LP List Parameter The List Parameter bit indicates the format of the log parameter If this bit is set to 0 then the parameter is a data counter If this bit is set to 1 then the parameter is a list parameter Parameter Length Byte 03 The Parameter Length field specifies the length in bytes of the following parameter value If the initiator sends a parameter length value that truncates the parameter value the target terminates the command with Check Condition status and sets the sense key to Illegal Request with the additional sense code set to Invalid Field in Parameter List Parameter Value Byte 04 n The parameter value can be one of the following A data counter for an EXB 10i event which can be either a four byte or two byte value A value that indicates the state of a certain part of the EXB 10i hardware If this field is 1
126. e SEND DIAGNOSTIC command If the operation was not successful the EXB 10i returns Check Condition status The sense key is set to Hardware Error and the ASC and ASCQ will identify what kind of hardware error occurred The EXB 10i will not execute any further motion commands SelfTest Bit at 1 When the Self Test bit is set to 1 the EXB 10i completes its default self test which includes the following Redefine zero on the horizontal and vertical axes m Verify the functionality of the EXB 10i pick and place procedures If the self test passes successfully the SEND DIAGNOSTIC command is terminated with Good status Otherwise the command is terminated with Check Condition status and the sense key is set to Hardware Error The ASC and ASCQ will indicate what kind of hardware error occurred Note When the SelfTest self T bit is 1 the parameter list length must be 0 DevOfl Device Offline Byte 01 Bit 1 The value for this field must be 0 UnitOfl Unit Offline Byte 01 Bit 0 The value for this field must be 0 21 3 21 SEND DIAGNOSTIC 1Dh Parameter List Length Bytes 03 and 04 The Parameter List Length field should always be 4 which specifies the length in bytes of the parameter list that will be transferred from the initiator to the target A parameter list length of 0 indicates that no data will be transferred and is not considered an error If the specified parameter list length results in the truncation of a page
127. e a description of the event The last 17 characters are a time stamp string indicating the time and date the event occurred Each log parameter for this page code has the following format Parameter Code 0 0 Parameter Length 80h 80 characters of event The Parameter Code field indicates the index of the history record 0 is the index of the most recent event 1 is the index of the next most recent and so on The EXB 10i keeps 100 of the most recent events indexed 0 through 99 The following table describes the types of events that the EXB 10i records The Associate String column shows the string that identifies the event The Description column provides any additional values that may be associated with the event 11 12 510601 Table 11 7 EXB 10i history of events History Record Type Associated String 11 LOG SENSE 4Dh Description Command Record SCSI CMD This record indicates whenever the EXB 10i has successfully received all the bytes of a SCSI command CDB lt also provides the following information All bytes of the CDB Initiator ID from which the command was received UNEXPECTED BUS FREE Busfree Record This record is inserted whenever an unexpected bus free occurred It also provides the following information The last phase before the bus free occurred The initiator ID that experienced the unexpected bus free Sense Record SENSE
128. e instructions for removing and replacing the data cartridge holder in sequential mode and in random mode Sequential Mode To remove and replace the data cartridge holder follow these steps 1 2 4 18 Follow the instructions in Section 4 4 to stop EXB 10i operation If there is a data cartridge in the grab base remove it If there is a cartridge in the grab base the cartridge handling mechanism will not be able to move to the park position If there is a data cartridge in the CTS press the unload button on the CTS and remove the cartridge Close the CTS door The EXB 10i assumes that there is no cartridge in the CTS when it resumes operation Remove the existing data cartridge holder by pulling it straight out Be careful not to touch the cartridge handling mechanism s components Reinstall the data cartridge holder by positioning it on the mounting plate inside the EXB 10i so that the oval slot on the back of the cartridge holder and the alignment pin on the plate are interlocked Push forward on the cartridge holder until it snaps into place Close the EXB 10i door 510601 4 Operating the EXB 10i Random Mode To remove and replace the data cartridge holder follow these steps 1 Follow the instructions in Section 4 4 to stop EXB 10i operation 2 Remove the existing data cartridge holder by pulling it straight out 3 Reinstall the data cartridge holder by positioning it on the mounting plate
129. e right The release clip will snap into place when you insert the fuse drawer properly 5 14 510601 O Packing and Shipping the EXB 101 This chapter includes information for packing and shipping the EXB 10i 6 Packing and Shipping the EXB 10i 6 1 Packaging and Shipping Requirements The following materials are required to pack the EXB 10i Original shipping containers Original foam packing pieces Antistatic bag Packing tape One plastic tie wrap Completed paperwork and shipping label The main EXB 10i shipping carton measures 26 inches high x 16 inches wide x 25 inches deep 67 94 x 41 27 x 63 5 cm The carton and internal packing pieces are designed so that the enclosed EXB 10i does not receive a shock greater than 45 g when the carton is dropped on any surface corner or edge from a height of 30 inches 76 2 cm CAUTION To avoid damaging the EXB 10i and voiding your warranty be sure to use the original shipping materials or replacement materials obtained from your vendor when repacking and shipping the EXB 10i Do not use the shipping carton and packing materials to ship items other than or in addition to an EXB 10i 6 2 Preparing the EXB 10i for Shipping 6 2 To prepare the EXB 10i for shipping follow these steps 1 Wait until the cartridge handling mechanism is in the park position at the bottom of the EXB 10i and turn the power switch off If necessary manually move the cartridge
130. eR RE ew ea eS 7 28 Unrecoverable Hardware Error Condition 00004 7 29 8 General SCSI Command Operation 8 1 8 1 SCSI Commands socs ogee a a a a kw Be at eg aoe a 8 2 8 2 Using EXB I0 SCSI Commands sa 24 ca ees A Re eR ee a 8 3 Setting Uperating Parameters s sr sc cass ereda peva Rw REESE SO 8 3 Moving Data Card bes eas ee ea he a Ae Eee a RS HE ES 8 4 Res rving Locations s r s y pc ota oo hea ES ee ek eee ee ee eS 8 5 Inquiring About EXB 10i Status i e s ccc ace ek eee reses 8 5 Performing DiAgnoStiCS ts s GCs pha ees OE eed OR Ghee BH eR ES 8 6 8 3 Command Format 8 7 8 4 Command Format Errors 2 0 00 essare ss essre 8 8 8 5 Command Status 0 0 a a 8 8 Status IESCAPUOOS ada sis s aed eo ae oe SRS AAA A 8 9 8 6 General Command Processing is a4 16 wt odode aoa BAS E a 8 10 1 Error Conditions Before the CDB Is Received 8 11 2 Error Conditions While Receiving the CDB scr eae we ws 8 13 3 Invalid Logical Unit Number lt lt zes hs Na ea 8 16 4 Incorrect Initiator Connection 2 0 00 000 eee eee eee 8 17 5 Reservation Conflict Condition e eens 8 18 6 Busy Conditl n Jees sade 2 eee deed Kae aa ORS eS 8 19 7 Pending Unit Attention Condition ps po eee eax Ree eee 8 20 8 Unrecoverable Hardware Error Condition 004 8 21 October 1992 xi 9 Offline Condition 0 000 ee ee 8 22 10 CDB Reserved Bit Set 00 0000 00000 eee 8
131. ecifies the length in bytes of the supported page list If the page length field is not 0 the EXB 10i returns Check Condition status and sets the sense key to Illegal Request and the ASC to Invalid Field in Parameter List 21 4 Command Execution 21 6 This section describes the steps that the EXB 10i follows when executing the SEND DIAGNOSTIC command These steps occur after the EXB 10i has been selected and has successfully received the CDB and there are no conditions present that prevent the command from being executed Refer to Section 8 6 for a complete list of conditions that the EXB 10i checks while it is receiving and after it has received the CDB from the initiator Note The following steps describe the normal processing of the command through the bus free phase If the message system is enabled additional errors and processing can occur anytime the EXB 10i responds to ATN with a message out phase Refer to Section 7 1 for more information about the message system and possible error conditions The EXB 10i takes the following actions to finish processing the command 1 Checks the parameters in the CDB If any of the parameters in the CDB are invalid the EXB 10i skips to step 6 and returns Check Condition status and sets the sense data as shown in Table 21 2 2 Checks element reservations If any elements or the CHM are reserved the EXB 10i skips to step 6 and returns Reservation Conflict status and clears any se
132. ed element is reserved by a different initiator or if the same initiator has a requested element reserved under a different Reservation Identification Releases reservations for specified Reservation Identification 510601 October 1992 20 RESERVE 16h If the initiator has already used the same Reservation Identification to reserve elements the EXB 10i releases those elements to prepare for the new element reservations When the same Reservation Identification is used the new reservations supersede the old reservations Reserves the requested elements The EXB 10i reserves the requested elements under the specified Reservation Identification Sends the appropriate status to the initiator The EXB 10i goes to the status in phase and returns either Good Check Condition Busy or Reservation Conflict status to the initiator Sends the Command Complete message to the initiator After the status in byte has been accepted by the initiator the EXB 10i changes to the message in phase sends the Command Complete message to the initiator and goes to the bus free phase 20 7 20 RESERVE 16h Table 20 1 Invalid parameters in the RESERVE CDB Sense Key SKSV Bit Bit Pointer Field Pointer Error Description 0003h Invalid Element List Length 0001h Error in 3rdPty field 0001h Error in Third Party Device field 0000h Reserved field not 0 0001h Reserved field not 0
133. ed to the initiator for example when the status byte has already been sent for a command but after that an invalid message sequence occurred The EXB 10i firmware detected an internal inconsistency The table below lists the combinations of ASC and ASCQ values for the Aborted Command sense key Bh Table C 8 ASC and ASCQ values for the Aborted Command sense key Bh Description The EXB 10i received a message at an invalid time The EXB 10i firmware encountered an internal inconsistency Contact your vendor Either the message system was not enabled and the EXB 10i discovered a parity error on the SCSI bus or the message system was enabled and the initiator rejected a Restore Data Pointers message that the EXB 10i sent in to recover from a parity error The EXB 10i received an Initiator Detected Error message at an inappropriate time or the initiator rejected a Restore Data Pointers message that was sent to the initiator in response to the Initiator Detected Error message The EXB 10i disconnected while executing a MOVE MEDIUM SEND DIAGNOSTIC or POSITION TO ELEMENT command During this time the same initiator that issued the motion command also selected the target and tried to issue another command When this error occurs the EXB 10i will terminate the current connection with Check Condition status and abort the motion command in progress for that initiator The ASCQ for this ASC can be any one of
134. equential mode the restart option allows you to specify what happens when the power is reconnected or turned back on as follows O Restart option off At power on the EXB 10i should resume processing where it left off O Restart option on At power on the EXB 101 should restart with cartridge 1 bottommost cartridge When you turn on the restart option the EXB 10i assumes that the CTS is empty and that the CTS door is open before it picks cartridge 1 If the CTS is not empty or the CTS door is closed the EXB 10i displays an error code Instructions for using the restart option are provided in Section 4 3 The EXB 10i is shipped with the restart option on Note Whenever you replace the data cartridge holder the EXB 10i restarts the pick and place cycle at cartridge 1 no matter how the restart option is set If you want the EXB 10i to resume processing where it left off you can use the SEL button to select the next cartridge to be processed as described in Specifying the Next Cartridge Sequential Mode on page 4 15 Loop Option LED 2 Sequential Mode Only When the EXB 10i is in sequential mode the loop option allows you to specify what happens when the EXB 10i finishes processing the topmost data cartridge cartridge 10 as follows O Loop option off The EXB 10i should stop after it processes cartridge 10 Loop option on The EXB 10i should loop back to cartridge 1 after it processes cartridge 10 Instr
135. er Switch The power switch is located on the left side of the front near the base This switch controls power to the EXB 10i and to the enclosed CTS Control Buttons SEL and INCR The two control buttons are located on the right side of the door These buttons labeled SEL select and INCR increment enable you to set options for EXB 10i operation and to reset the EXB 10i Power on Indicator A green power on LED is located on the right side of the door below the control buttons This LED illuminates when the EXB 10i power is turned on LEDs The EXB 10i has a column of ten LEDs to the right of the door These LEDs indicate the following m During normal operation sequential mode only these LEDs indicate which data cartridges the EXB 10i has processed m In option mode the LEDs indicate what options are set m When a hardware error occurs two or more LEDs illuminate to indicate error codes See Chapter 4 for more information about the LEDs 2 EXB 10i Major Components 2 2 Inside Components Figure 2 2 shows the inside of the EXB 10i with the cover and upper bezel removed m Vertica Lead Screw Cartridge Holder Cartridge Tape Subsystem Cartridge Handling Door Switch Mechanism Plate Figure 2 2 Inside components of the EXB 10i 2 4 510601 2 EXB 10i Major Components Cartridge Handling Mechanism CHM The cartridge handling mechanism CHM is the
136. erman Postal Services have been advised that this device is being put on the market and that they have been given the right to inspect the series for compliance with the regulations Compliance with applicable regulations depends on the use of shielded cables It is the user who is responsible for procuring the appropriate cables This equipment has been tested concerning compliance with the relevant RFI protection requirements both individually and on system level to simulate normal operation conditions However it is possible that these RFI requirements are not met under certain unfavorable conditions in other installations It is the user who is responsible for compliance of his particular installation 510601 Changes and Enhancements to This Manual October 1992 Revision 004 of the EXB 10i Cartridge Handling Subsystem User s Manual describes the features and operations of the EXB 10i firmware code level 3 0 Revisions and enhancements to this manual include the following Modified the product warranty caution a Chapter 3 Added instructions for removing the cardboard packing piece from the grab base Modified instructions for removing the CTS and the upper bezel Modified the description of the CTS calibration routine a Chapter 5 Modified cleaning instructions for the EXB 101 s door window Added cleaning instructions for the data cartridge holder and data cartridges Added instructions for moving the grab base manually
137. ers in the SEND DIAGNOSTIC CDB Sense Key SKSV Bit Bit Pointer Field Pointer Error Description The cartridge holder was empty or the cartridge sensor is malfunctioning The PF bit is not set Invalid parameter list length The parameter list length must be 4 or 0 Invalid page code in parameter list Reserve bit set in byte 1 or parameter list bit pointer points to a bit in error Invalid page length A cartridge is in the grab base The CTS door is closed The list length in the CDB does not match the page code in the parameter list 21 8 510601 22 TEST UNIT READY 00h 6 5 2 0 0 0 Logical Unit Number Reserved Reserved Reserved Reserved Control October 1992 22 1 22 TEST UNIT READY 00h 22 1 About This Command The TEST UNIT READY command allows the initiator to determine if the EXB 10i is ready to accept all other commands including motion commands This is not a request for an EXB 10i self test which occurs at power on If the EXB 10i is ready to accept any command without returning Check Condition Reservation Conflict or Busy status this command returns Good status Note The EXB 10i does not check to see if a different initiator has any elements reserved If an element is reserved by a different initiator the EXB 10i might return Reservation Conflict status for the next requ
138. es of sense data 19 3 EXB 10i Sense Data The EXB 10i supports the standard extended sense bytes These 18 bytes are described in the following table Sense Key Information Bytes Additional Sense Length Command Specific Information Additional Sense Code ASC Additional Sense Code Qualifier ASCQ Field Replaceable Unit Code Sense Key Specific October 1992 19 3 19 REQUEST SENSE 03h The EXB 10i supports the following sense fields m Sense Key m ASC Additional Sense Code m ASCO Additional Sense Code Qualifier m SKSV Sense Key Specific Valid for Hardware Error 4h and Illegal Request 5h sense keys Sense Key Byte 02 Bits 3 through 0 Table 19 1 contains descriptions of the sense key values supported by the EXB 10i For a list of the conditions that cause each sense key setting see Appendix C Table 19 1 Sense key value definitions Sense Key Hex Values Oh 2h 4h 5h 6h Bh Meaning No Sense Not Ready Hardware Error Illegal Request Unit Attention Aborted Command Explanation Indicates that there is no specific sense key information to be reported for the EXB 10i Indicates that the EXB 10i cannot be accessed Operator intervention may be required to correct this condition Indicates that the EXB 10i detected a non recoverable hardware failure while performing the command or during a sel
139. es the command with Check Condition status and sets the sense key to Illegal Request with the additional sense code set to Invalid Field in CDB Table 11 1 Acceptable values for the Page Code field Page Code Description 00h Returns a list of supported log pages 30h Returns system statistics and retry counts 31h Returns the hardware state of the EXB 10i which includes the state of EXB 10i sensors and the CHM position 32h Returns a history of the most recent events that occurred during the operation of the EXB 10i Parameter Pointer Bytes 05 and 06 The Parameter Pointer field allows the initiator to request parameter data beginning from a specific parameter code to the maximum allocation length or the maximum parameter code supported by the EXB 10i whichever is less If the value of the parameter pointer field is larger than the largest available parameter code that the target can return on the specified page the EXB 10i terminates the command with Check Condition status and sets the sense key to Illegal Request and the additional sense code to Invalid Field in CDB Notes m Log parameters within the specified log page will be transferred in ascending order according to the parameter code m When the Page Code field is set to Oh the Parameter Pointer field must also be set to 0 a The Parameter Pointer field can be set to a negative number 11 LOG SENSE 4Dh Allocation Length Bytes 07 and 08 The Allocation Leng
140. ess seas reefa er is a a bei 20 8 21 SEND DIAGNOSTIC 1Dh 21 1 21 1 About This Command es c se sasea 00 000 eee ee ee 21 2 21 2 Field Definitions 21 2 21 3 SEND DIAGNOSTIC Parameter List 21 4 21 4 Command Execution 21 6 21 5 Errors Reported sassis ssy ark ER ER RARA RR 21 8 22 TEST UNIT READY 00h 29 1 22 1 About ThisCommand sa sea semere renee 0 eee ee ee 22 2 22 2 Command Execution 22 2 22 3 Command Status ce ea coesa 0000 ee ee 22 3 Appendix A Power Cord Requirements A 1 Power Cord D scription se esi kobe seas rra A 2 Power Cord for Other Voltages and International Use A 3 U S and Canadian 220 VAC Power Cord A 3 International 220 VAC Power Cord 0 00000 eee eee A 3 Appendix B SCSI Cable Requirements B 1 Cable Specifications su 20 be ia EO eee ee eh ee eee ee oe B 2 Cable Lengths s irritar oct eka ended AAA de he ona AA B 3 Appendix C EXB 10i Error Conditions C 1 Types OF EXB 10LETFOTS er AR AAA AS RE ES C 2 xiv 510601 SENSE REVS AAA AREA C 2 LEDS 00004 ia ales Pa a e Ra C 3 Lister Error Conditions s ssis ier iseit eeGeedeee E C 4 Not Ready Sense Key 20 wens 4 4 eae eK Fe EE OE Bw ee C 5 Hardware Error Sense Key Hi 2 coi e Pa SRS ee eS C 6 Hardware Errors by LED Display scores cris sedes C 11 Ilegal Request Sense Rey 5h s s ohare See WS Pe a a C 26 Unit Attention Sense Key 6h poce ia di ee Oe i C 28 Abor
141. essing the INCR and SEL buttons for two seconds If the error code still displays contact your vendor Description Invalid nonvolatile RAM This error may indicate that the nonvolatile RAM is bad Corrective Action Reset the EXB 10i by simultaneously pressing the INCR and SEL buttons for two seconds If this does not correct the error contact your vendor Description The vertical motor s servo chip cannot be initialized properly This error may indicate that the servo control chip is bad Corrective Action Reset the EXB 10i by simultaneously pressing the INCR and SEL buttons for two seconds If the error code still displays contact your vendor Description The horizontal motor s servo chip cannot be initialized properly This error may indicate that the servo control chip is bad Corrective Action Reset the EXB 10i by simultaneously pressing the INCR and SEL buttons for two seconds If this error code still displays contact your vendor Description A CHM motion took longer than the maximum time allocated for it When these functions cannot complete in the specified time the currents to the servo motors are shut off Corrective Action Reset the EXB 10i by simultaneously pressing the INCR and SEL buttons for two seconds If the motors still move slowly there may be a problem in the firmware Contact your vendor Description The SCSI chip failed Corrective Action Turn the EXB 10i off and then on aga
142. ested command after the TEST UNIT READY command 22 2 Command Execution The EXB 10i returns Good status for the TEST UNIT READY command only if all of the conditions listed in Section 8 6 are false Refer to Section 8 6 for the complete list of conditions that would cause the EXB 10i to return a status other than Good for this command After the EXB 10i determines the status to return it does the following 1 Sends the appropriate status to the initiator The EXB 10i goes to the status in phase and returns either Good Check Condition Busy or Reservation Conflict status to the initiator 2 Sends the Command Complete message to the initiator After the status in byte has been accepted by the initiator the EXB 10i goes to the message in phase sends the Command Complete message to the initiator and then goes to the bus free phase 22 2 510601 22 TEST UNIT READY 00h 22 3 Command Status October 1992 The EXB 10i returns a status byte after processing the TEST UNIT READY command This section describes when each type of status byte might be returned Good The EXB 10i returns Good status when it is able to process the command without errors Bus The ai returns Busy status when the EXB 10i is processing a command for a different initiator or when the EXB 10i is in the process of aborting a motion command See Section 7 4 for more information about the Busy condition Reservation Conflict The EXB 10i return
143. et und das Netzkabel vom EXB 10i getrennt ist Protecting the EXB 10i from Electrostatic Discharge When the EXB 10i s cover is removed the EXB 10i and its internal components are susceptible to damage from electrostatic discharge ESD To ensure that the work area is as free from ESD as possible follow these procedures m Place a static protection mat on the work surface Use a 1 megohm resistor to ground the static protection mat m Wear a static protection wrist band whenever you handle the EXB 10i the CTS or EXB 10i cards Connect this wrist band to the static protection mat or to other suitable ESD grounding 3 10 510601 3 Installing the EXB 10i Removing the Cover To remove the cover follow these steps 1 Using a T 10 TORX driver bit remove the three screws located on the back cover as shown in Figure 3 5 Figure 3 5 Cover screws at the back of the EXB 10i October 1992 3 11 3 Installing the EXB 10i 2 Using a T 10 TORX driver bit remove the four screws on the EXB 101 s base two on each side as shown in Figure 3 6 Figure 3 6 Cover screws at the base of the EXB 10i 3 12 510601 October 1992 3 Installing the EXB 10i 3 After removing all seven screws use both hands to grasp the cover by the lower front corners and spread the sides away from the bezel Figure 3 7 Spreading the cover s sides away from the bezel 4 Lift the cover straight up and set it aside Be ca
144. f hren stellen Sie bitte sicher daB der Netzschalter ausgeschaltet und das Netzkabel vom EXB 10i getrennt ist Vertical Lead Screw To move the grab base using the vertical lead screw follow these steps 1 Remove the EXB 101 s cover as described in Removing the Cover beginning on page 3 11 5 6 510601 October 1992 5 Maintaining the EXB 10i 2 Locate the vertical lead screw on the top of the EXB 10i as shown in Figure 5 1 3 Using a inch wide flat blade screwdriver turn the screw at the top of the EXB 10i clockwise to raise the grab base or counterclockwise to lower the grab base Figure 5 1 Moving the grab base cover and upper bezel not shown Vertical Lead Screw Pulley To move the grab base using the vertical lead screw pulley follow these steps 1 Locate the vertical lead screw pulley at the base of the cartridge handling mechanism as shown in Figure 5 1 2 To raise the grab base use your finger to rotate the pulley clockwise To lower the grab base rotate the pulley counterclockwise 5 7 5 Maintaining the EXB 10i 5 8 Moving the Grab Base In and Out You can manually move the grab base in and out by using your finger to turn the lead screw pulley This pulley is shown in Figure 5 2 To move the grab base out turn the pulley clockwise To move the grab base in turn the pulley counterclockwise Figure 5 2 Moving the grab base in and out 510601 5 Maintaining the EXB 10i 5
145. f descriptor data for this element type This field is not adjusted to match the allocation length 16 5 16 READ ELEMENT STATUS B8h 16 5 Element Status Descriptors This section describes the three types of element descriptor blocks Medium Transport Element Descriptor Storage Element Descriptor and Data Transfer Element Descriptor Medium Transport Element Descriptor The element descriptor block for the Medium Transport element CHM is shown below Element Address Reserved Reserved Additional Sense Code Additional Sense Code Qualifier Reserved SValid Reserved MSB Source Storage Element Address Reserved 16 6 510601 16 READ ELEMENT STATUS B8h The fields in this descriptor block are described below Element Address Bytes 00 through 01 The Element Address field specifies the address of the CHM Except Byte 02 Bit 2 The Except bit is set to 0 when the CHM is in a normal state or set to 1 when it is in an abnormal state Refer to Table 16 2 for more information about the abnormal state when the Except bit is set to 1 Full Byte 02 Bit 0 The Full bit is set to 1 when the CHM contains a cartridge or is set to 0 when the CHM does not have a cartridge This field is valid only if the Except bit is set to 0 Additional Sense Code Byte 04 This field together with the Additional Sense Code Qualifier field denotes a specific erro
146. f test Indicates that there was an illegal parameter in the command descriptor block or in the additional parameters supplied as data for a command or the EXB 10i is in the wrong mode to execute the command Indicates that the data cartridge inventory may have been violated Indicates that the EXB 10i aborted the command The initiator may be able to recover by trying the command again Information Bytes Bytes 03 through 06 The EXB 10i does not support this field 19 4 510601 19 REQUEST SENSE 03h Additional Sense Length Byte 07 This byte indicates the Additional Sense Length provided by the EXB 10i excluding this byte The value is OAh Command Specific Information Bytes 08 through 11 The EXB 10i does not support this field Additional Sense Code ASC Byte 12 This field together with the Additional Sense Code Qualifier Byte 13 denotes a specific error condition These error conditions are listed by sense key in Appendix C Additional Sense Code Qualifier ASCQ Byte 13 This field together with the Additional Sense Code Byte 12 denotes a specific error condition These error conditions are listed by sense key in Appendix C Field Replaceable Unit Code Byte 14 The EXB 10i does not support this field SKSV Sense Key Specific Valid Byte 15 Bit 7 When this bit is set to 1 the data in byte 15 bits 6 through 0 and bytes 16 and 17 is valid for the command receiving the Check Condition stat
147. field is 1 510601 13 MODE SENSE 1Ah 13 5 Transport Geometry Descriptor Page Page Code Parameter Length Reserved Rotate Member Number in Transport Element Set The fields in the Transport Geometry Descriptor page are described below PS Page Savable Byte 00 Bit 7 The value returned for this field is 0 which indicates that the EXB 10i cannot save this page to nonvolatile memory Page Code Byte 00 Bits 5 through 0 This field identifies the Transport Geometry Parameter List The value returned for this field is 1Eh Parameter Length Byte 01 This field indicates the number of additional bytes of transport geometry descriptor data to follow the header Each descriptor consists of two bytes of information The EXB 10i has only one transport mechanism The value returned for this field is 02h Rotate Byte 02 Bit 0 This field identifies the ability of the transport mechanism to handle two sided medium The EXB 10i uses only one sided medium The value returned for this field is 0 Member Number in Transport Element Set Byte 03 This field identifies the specific transport element in the system to apply this descriptor to The EXB 10i has only one transport element The value returned for this field is 0 October 1992 13 7 13 MODE SENSE 1Ah 13 6 Device Capabilities Page 3 2 Page Code Parameter Length StorDT Storl E StorST StorMT 1 0 1 0
148. forms a cartridge sensor calibration See Chapter 4 for more information about the cartridge sensor calibration option Performs an eject position calibration See Chapter 4 for more information about the eject position calibration option Instructs the EXB 10i to perform a verification of the pick and place functionality of the EXB 10i To do this the EXB 10i performs the following actions for each cartridge in the cartridge holder starting with slot 1 the bottommost slot Picks the cartridge from the slot Places the cartridge in the CTS Closes the CTS door without latching the CTS door Moves to the park position at the base of the EXB 10i Picks the cartridge from the CTS Places the cartridge back into its original slot OORUN If a slot does not contain a cartridge the CHM moves to the next slot After the EXB 10i has processed all slots it returns status to the host If the CHM or any of the slots in the cartridge holder are reserved the EXB 10i returns a Reservation Conflict status Instructs the EXB 10i to perform a redefinition of zero on the vertical and horizontal axes in other words it redefines the vertical and horizontal axis zero position The horizontal axis zero position is the farthest position away from the cartridge holder The vertical axis zero position is at the top of the vertical lead screw 21 5 21 SEND DIAGNOSTIC 1Dh Page Length Bytes 02 and 03 The Page Length field sp
149. g properly The following sections provide information about the types of operations that the EXB 10i can perform and which SCSI commands can be used to perform these operations For detailed information about each of these commands refer to Chapters 9 through 22 Setting Operating Parameters The EXB 10i s operating parameters allow you to assign custom addresses to each element An element is a physical location in the EXB 10i There are three element types the CHM data cartridge slots and the CTS Each element requires an address so that it can be identified by a SCSI command The EXB 10i has default addresses assigned to each element as shown in Figure 8 1 To assign different element addresses for the EXB 10i use the MODE SELECT 15h command To find out how the addresses are set for the EXB 10i use the MODE SENSE 1Ah command October 1992 8 3 8 General SCSI Command Operation Cartridge Slots CHM CTS lo Figure 8 1 Default element address assignments Moving Data Cartridges To instruct the EXB 10i to move data cartridges between the storage locations cartridge holder slots and the CTS issue the MOVE MEDIUM A5h command The MOVE MEDIUM command allows you to specify a source element address and a destination element address for a specific move operation In addition the POSITION TO ELEMENT 2Bh command moves the CHM out of the way to allow manual access to a certain part of the storage area 8 4
150. g the EXB 10i 3 Once the desired LED is flashing press the SEL button once to change the option setting When you press this button the next LED starts to flash and the current LED is either on or off depending on how you set the new option 4 Make sure that the LED corresponding to the option you just changed is on or off as desired 5 If necessary repeat steps 1 through 3 to change other user options Exiting Option Mode You can exit option mode by pressing the SEL and INCR buttons simultaneously for approximately two seconds When you exit option mode the EXB 10i performs its power on self test 4 14 510601 4 Operating the EXB 10i Specifying the Next Cartridge Sequential Mode In sequential mode the EXB 10i normally processes data cartridges in the data cartridge holder sequentially moving from bottom to top However if you want to specify a different data cartridge to be processed next you can use the SEL and INCR buttons during EXB 10i operation To specify the next data cartridge to be processed follow these steps 1 Wait for the CHM to move to the park position at the base of the EXB 10i 2 Press the SEL button once to enter select mode See Figure 4 1 for the location of this button When you enter select mode the LED corresponding to the next data cartridge to be processed flashes For example Normal LED Display Select Mode Display O O O O O O O O O O O next cartridge to be pro
151. ge In Phase After the message has been sent to the initiator The following sections explain the action that the EXB 10i takes in response to each message it receives from the initiator The tables included with some of the message explanations show the following The bus phase that was active just before the indicated message was received m The action that the EXB 10i takes in response to the indicated message As described in the tables it is possible for the EXB 10i to return Check Condition status in response to a message error The EXB 10i sends a Message Reject message instead of Check Condition status if the requested command has already been completed A command is considered complete once the EXB 10i has sent or has attempted to send ending status Note For more information about command status see Chapter 8 7 4 510601 October 1992 7 SCSI Physical Path Communications Command Complete Message 00h The EXB 10i sends the Command Complete message to the initiator to indicate that the execution of the command has completed and that valid status has been sent to the initiator After successfully sending this message the EXB 10i goes to the bus free phase Restore Pointers Message 03h The EXB 10i issues the Restore Pointers message after receiving an Initiator Detected Error message following either the status phase or data in phase or after detecting a parity error during the command phase or data out phase
152. ge sensor position as described in Appendix D If the error still displays contact your vendor Description The grab base cannot move to a position where it starts polling for the cartridge sensor Corrective Action First check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i Next recalibrate the cartridge sensor position as described in Appendix D If the error still displays contact your vendor Description The grab base cannot find the cartridge sensor Corrective Action Make certain the calibration block is placed in the grab base If it is and you still receive this error the cartridge sensor is malfunctioning Contact your vendor Description The EXB 10i is waiting for you to insert the calibration block Corrective Action Insert the calibration block in the grab base Description The CHM could not complete the calibration Corrective Action First check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i Next recalibrate the cartridge sensor position as described in Appendix D If the error still displays contact your vendor Description The CHM could not find the cartridge sensor anywhere on the horizontal axis Corrective Action Contact your vendor You may need new firmware Description The cartridge sensor is not properly located on the grab base Corrective Action First
153. handling mechanism to the park position See Section 5 2 for instructions on moving it 2 Ensure that there is no data cartridge in the EXB 101 s grab base 3 Ensure that there is no data cartridge in the CTS and close the CTS door 510601 6 Packing and Shipping the EXB 10i Note If you do not want to ship the CTS with the EXB 10i remove it from the EXB 10i as described in Replacing the CTS on page 5 9 4 Remove the data cartridge holder from the EXB 10 by pulling it straight out 5 If you still have the original cardboard packing piece that secured the grab base follow these steps a Move the grab base to its shipping position all the way in by rotating the lead screw pulley counterclockwise The location of the pulley is shown in Figure 6 1 b Place the cardboard packing piece around the grab base as shown in Figure 6 2 and secure it with a plastic tie available from most hardware stores Figure 6 1 Moving the grab base to its shipping position October 1992 6 3 6 Packing and Shipping the EXB 10i Figure 6 2 Packing the grab base 6 Remove the power cord and the SCSI cables or terminator from the back of the EXB 10i 7 Close the EXB 101 s door and tape it shut using a small piece of packing tape 8 Cover the EXB 10i with the antistatic bag and tape the bag closed 6 4 510601 6 Packing and Shipping the EXB 10i 6 3 Packing the EXB 10i October 1992 Once the EXB 10i is prepare
154. he Diagnostics program is only used by self maintenance contract customers The 9600 baud option is on or off as follows O 9600 baud option off The maintenance port will use the baud rate that was set in the diagnostics program 9600 baud option on The maintenance port s baud rate is set to 9600 The EXB 10i is shipped with the 9600 baud option off 510601 4 Operating the EXB 10i 4 3 Processing Cartridges in Sequential Mode This section describes how to control the EXB 101 s cartridge processing in sequential mode by setting the random sequential restart and loop options It also describes how to select the next cartridge to be processed by using select mode Note To control cartridge processing in random mode use SCSI commands to move cartridges See Part 3 of this manual for more information about SCSI commands Using Options to Control Cartridge Processing To control cartridge processing in sequential mode you must first turn on the random sequential option to sequential mode In this mode the cartridge handling mechanism processes cartridges in sequential order from bottom to top After you have set the EXB 10i in sequential mode you can use the restart option to indicate how the EXB 10i should resume processing cartridges when the EXB 10i is reset the power is turned off and then back on or the loop option to indicate how the EXB 10i should resume processing when it has finished processing t
155. he LED is on If the LED is flashing the option corresponding to the LED can be changed from its current setting Once the LED is flashing you cannot determine whether the option is on or off As shown in Figure 4 3 the LEDs correspond to the following options LED 10 not used LED 9 9600 baud option LED 8 Eject position calibrate option LED 7 Parity enable disable option LED 6 Random sequential option LED 5 not used LED 4 Cartridge sensor calibrate option LED 3 CTS calibrate option LED 2 Loop option LED 1 Restart option When the EXB 10i first enters option mode LED 1 will flash indicating that the restart option can be changed If you want to determine whether the restart option is set press the INCR button once This causes LED 2 to flash You can then see whether LED 1 is on or off Changing the Option Settings To change the setting of the options follow these steps 1 Place the EXB 10i in option mode as described previously 2 Press the INCR button until the LED corresponding to the option you want to change flashes For example if you want to change the random sequential option press the INCR button several times until LED 6 flashes As described above if the LED is on the option is on If the LED is off the option is off For example if LED 6 is on the EXB 10i is operating in sequential mode If LED 6 is off the EXB 10i is operating in random mode 4 13 4 Operatin
156. he sense data returned for each The EXB 10i door is open or was opened during the move The EXB 10i data cartridge holder is missing The EXB 10i is not ready to execute a motion command because it is either in manual motion control or is executing diagnostics through the RS 232 interface An unrecoverable hardware error occurred during the POSITION TO ELEMENT command or occurred during the POSITION TO ELEMENT MOVE MEDIUM or SEND DIAGNOSTICS command 510601 2Bh 7 6 5 15 POSITION TO ELEMENT 2 0 0 1 0 Logical Unit Number Reserved MSB Transport Element Address MSB Destination Element Address Reserved Reserved Invert Control October 1992 15 POSITION TO ELEMENT 2Bh 15 1 About This Command The POSITION TO ELEMENT command requests that the CHM be positioned to a specific element address For the default element addresses refer to Figure 8 1 in Chapter 8 The CHM is positioned so that no additional vertical translation movement is required to access the cartridge at that location for a MOVE MEDIUM A5h command 15 2 Field Definitions This section describes the fields in the command descriptor block for the MOVE MEDIUM command shown in the table on page 15 1 and the values you can enter for each Transport Element Address Bytes 02 and 03 This field allows you to specify the address of the CHM This field is chec
157. he Data Cartridge Holder oaoa ooo ooo 4 18 Sequential Mode 24 6605 e MEE aa OR A A AAA RA 4 18 Random Mode ale belle a a a 4 19 4 6 Resetting the EXB 10i 2 lt 2 32 420e8064 88 Se SEEDS S HERS 4 19 5 Maintaining the EXB 10i 5 1 5 1 Preventive Maintenance anoa caa a a ee 5 2 Cleaning the Front Door Window aasa aa a9 85400055 5 2 Cleaning the Data Cartridge Holder and Cartridges 5 3 Cleaning the Cartridge Tape Subsystem CTS o oooo ooo 5 4 5 2 Manually Moving the Grab Base so v ciccisvricrsmesa da 5 6 Moving the Grab Base Up and Down oa 2524 64 sa eee rosso 5 6 Moving the Grab Base In and Out esd amp oe oe OR ae we PS eee 5 8 53 Replacing Serviceable Parts oscars od ew Gedo i SE A OS 5 9 Replacing th CIS ab exe eee er eee SRS OH RO Ree eRe ES 5 9 Replace the Fuse v o onerosa PEA AA 5 13 6 Packing and Shipping the EXB 10i 6 1 6 1 Packaging and Shipping Requirements o ooo o 6 2 6 2 Preparing the EXB 101 for Shipping ac s ers dma d a eack Ce aS 6 2 6 3 Packing the BABSI L 2 0 das E AAA ee Eee RE HE 6 5 Part 3 Implementing SCSI Commands T SCSI Physical Path Communications 7 1 71 Message Syste is 225 3 629 452 464 3 2268 ad es 7 2 Message Sequence an dont ye ooo PRS A AAA 7 2 Message Processing s i o ee 6 Seek OR RR E EE ERS Ee n 7 4 Command Complete Message 00h 4 ss 45 4424404494540 e055 7 5 2 510601 Restore Pointers Message 03h
158. he EXB 10i will extend its life and reduce the need for more extensive maintenance and repairs CAUTION Do not clean or lubricate the EXB 10i s mechanical assemblies Lubricating may adversely affect the function of those parts Cleaning the Front Door Window To clean the window in the front door use the wet wipe and dry wipe cleaning packets provided with the EXB 10i Note If the EXB 10i did not include cleaning packets or you need to order additional cleaning packets EXABYTE part number 000508 contact your vendor CAUTION To avoid scratching or marring the window do not use abrasive cleaners abrasive cleaning implements or harsh chemicals or solvents for example alcohol kerosene or petroleum spirits to clean the window 1 Using the 1 wet wipe provided with the EXB 10i gently wipe the window 2 Using the 2 dry wipe gently wipe the window again 5 2 510601 5 Maintaining the EXB 10i Cleaning the Data Cartridge Holder and Cartridges You should clean the data cartridge holder and installed cartridges approximately every 500 pick and place cycles or whenever you notice dust building up Note You can determine the amount of pick and place cycles that the EXB 10i has completed by using the Diagnostics firmware contained on the EXB 101 s flash EPROM In this firmware the System Statistics screen displays the number of picks and places the EXB 10i has completed To use the Diagnost
159. he Entry Exit Port and the destination is the CHM The value returned for this field is 0 DT gt DT Byte 07 Bit 3 This field identifies the support for the MOVE MEDIUM A5h command where the source is a CTS and the destination is a CTS For EXB 10i firmware versions 2 8 and lower the value returned for this field is 0 For EXB 10i firmware versions above 2 8 the value returned for this field is 1 DT I E Byte 07 Bit 2 This field identifies the support for the MOVE MEDIUM A5h command where the source is a CTS and the destination is the Entry Exit Port The value returned for this field is 0 DT ST Byte 07 Bit 1 This field identifies the support for the MOVE MEDIUM A5h command where the source is a CTS and the destination is a data cartridge storage location The value returned for this field is 1 DT MT Byte 07 Bit 0 This field identifies the support for the MOVE MEDIUM A5h command where the source is a CTS and the destination is the CHM The value returned for this field is 1 October 1992 13 11 13 MODE SENSE 1Ah 13 7 Baud Rate Page Page Code Parameter List Length Baud Rate The fields in the Baud Rate page are described below PS Page Savable Byte 00 Bit 7 This field specifies that the EXB 10i is capable of saving this page to nonvolatile memory The value returned for this field is 1 Page Code Byte 00 Bits 5 through 0 This field identifies the
160. he data cartridge storage locations to perform the function of storage The value returned for this field is 1 StorMT Byte 02 Bit 0 This field identifies the ability of the CHM to perform the function of storage The value returned for this field is 0 MT gt DT Byte 04 Bit 3 This field identifies the support for the MOVE MEDIUM A5h command where the source is the CHM and the destination is a CTS The value returned for this field is 1 MT gt I E Byte 04 Bit 2 This field identifies the support for the MOVE MEDIUM A5h command where the source is the CHM and the destination is the Entry Exit Port The value returned for this field is 0 13 9 13 MODE SENSE 1Ah 13 10 MT gt ST Byte 04 Bit 1 This field identifies the support for the MOVE MEDIUM A5h command where the source is the CHM and the destination is a data cartridge storage location The value returned for this field is 1 MT MT Byte 04 Bit 0 This field identifies the support for the MOVE MEDIUM A5h command where the source is the CHM and the destination is the CHM The value returned for this field is 0 ST gt DT Byte 05 Bit 3 This field identifies the support for the MOVE MEDIUM A5h command where the source is a data cartridge storage location and the destination is a CTS The value returned for this field is 1 ST gt I E Byte 05 Bit 2 This field identifies the support for the MOVE MEDIUM A5h command where the source
161. he grab base could not properly grip the cartridge and returned the cartridge to its source either the CTS or the slot Corrective Action Recalibrate the cartridge sensor position by following the instructions in Appendix D If calibration does not solve the problem contact your vendor Description The grab base picked a cartridge that it could not place and returned the cartridge to its source either the CTS or the slot The EXB 10i cannot detect if there is a cartridge in the grab base Corrective Action Recalibrate the cartridge sensor position by following the instructions in Appendix D If calibration does not solve the problem contact your vendor Description The grab base cannot move upward to start the place procedure Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor Description The grab base cannot move toward the cartridge holder slot or the CTS while executing a place procedure Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor Description The grab base cannot move downward to the CTS while executing a place procedure Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EX
162. he last cartridge in the cartridge holder cartridge 10 To set one of the EXB 10i options you must perform the following steps Place the EXB 10i in option mode Determine the current setting of the options Change the settings of the options Exit option mode Instructions for setting the options are provided on the following pages October 1992 4 11 4 Operating the EXB 10i Placing the EXB 10i in Option Mode To place the EXB 10i in option mode follow these steps 1 Turn the EXB 10i off by moving the power switch to the off position Figure 4 3 shows the location of the power switch and the INCR and SEL buttons gt e Figure 4 3 Setting user options 2 Press and hold both the SEL and INCR buttons located on the front of the EXB 10i while moving the power switch to the on position Keep pressing these buttons for approximately two seconds until the EXB 10i LEDs light up and then turn off After the LEDs turn off wait another second and then release the SEL and INCR buttons The EXB 10i is now in option mode The bottom LED LED 1 will be flashing to indicate the restart option can be changed 4 12 510601 October 1992 4 Operating the EXB 10i Determining How the Options Are Set In option mode the LEDs denote how the options are set as follows O If the LED is off the option corresponding to the LED is off e Ifthe LED is on not flashing the option corresponding to t
163. he value returned for this field is 0 TrmlOP Terminate I O Process Byte 03 Bit 6 The EXB 10i does not support this function The value returned for this field is 0 Response Data Format Byte 03 Bits 3 through 0 The value returned for this field is 2h indicating that the data found is in accordance with SCSI 2 Additional Length Byte 04 The value returned for this field is 33h indicating that there are 33h 51 additional bytes of inquiry data available to be returned to the initiator These bytes are defined in the following field definitions RelAdr Relative Addressing Byte 07 Bit 7 The EXB 10i does not support this function The value returned for this field is 0 510601 October 1992 10 INQUIRY 12h WBus32 Wide Bus 32 Byte 07 Bit 6 The EXB 10i does not support 32 bit wide bus transfers The value returned for this field is 0 WBus16 Wide Bus 16 Byte 07 Bit 5 The EXB 10i does not support 16 bit wide bus transfers The value returned for this field is 0 Sync Synchronous Transfer Byte 07 Bit 4 The EXB 10i does not support synchronous data transfer The value returned for this field is 0 Linked Linked Command Byte 07 Bit 3 The EXB 10i does not support linked commands The value returned for this field is 0 CmdQue Command Queuing Byte 07 Bit 1 The EXB 10i does not support tag command queuing The value returned for this field is 0 SftRe Soft Reset Byte 07
164. hes a Not Ready condition m The EXB 10i is in manual motion control m The EXB 10i is executing diagnostic functions through the maintenance port m The EXB 10i data cartridge holder is missing The EXB 10i first establishes a Unit Attention condition to report to the initiator when the EXB 10i is reset the door is opened the power switch is turned off data cartridge holder is removed or the EXB 10i is in manual motion control After the Unit Attention condition is cleared the EXB 10i establishes a Not Ready condition During the Not Ready condition the EXB 10i returns a Check Condition status in response to each motion command until the Not Ready condition is removed that is initialization is completed the door is closed the cartridge holder is installed or the EXB 10i is not in manual motion control During the Not Ready condition the sense key is set to Not Ready 02h and the Additional Sense Code and Additional Sense Code Qualifier are set to codes that specify why the EXB 10i is not ready All commands other than the motion commands are performed normally 7 26 510601 7 SCSI Physical Path Communications 7 6 Unit Attention Condition October 1992 The EXB 10i establishes a Unit Attention condition when the user has access to any of the cartridges or a CTS or if any of the internal parameters of the EXB 10i have been changed Specifically a Unit Attention condition is established when any of the following hap
165. ibration refer to Appendix C D 4 510601 Glossary This glossary lists the terms abbreviations and acronyms used in this manual nnh us address ANSI ASC ASCQ October 1992 Numbers followed by a lower case h are hexadecimal values All other numbers are decimal values Microseconds See SCSI ID American National Standards Institute Additional Sense Code Corresponds to byte 12 of the sense data returned in response to the REQUEST SENSE command Additional Sense Code Qualifier Corresponds to byte 13 of the sense data returned in response to the REQUEST SENSE command Glossary ATN AWG BSY byte CDB CHM CHS connect CSA CTS data cartridge holder deskew delay disconnect ESD EXB 8200 Attention signal This SCSI bus signal is asserted by the initiator during connect and by the target during reconnect American Wire Gauge Busy bus condition Eight bits or one character Command descriptor block Cartridge Handling Mechanism In the EXB 10i the firmware electronics and robotic components that retrieve and replace 8mm data cartridges in the data cartridge holder and load and unload them from the CTS Cartridge Handling Subsystem such as EXABYTE s EXB 10i Cartridge Handling Subsystem The establishment of communications between the initiator and the selected target Canadian Standards Association Cartridge Tape Subsystem such as EXABYTE s EXB 8200
166. ice Type is set to unknown device type For more information about the INQUIRY command see Chapter 10 m Ifa REQUEST SENSE 03h command is sent the EXB 10i returns Good status to the initiator and sets the following sense data Sense Key Illegal Request 5h ASC Logical Unit Not Supported 25h ASCQ 0 If any other command is received the EXB 10i returns Check Condition status A subsequent REQUEST SENSE command to the same LUN will return the sense data specified above indicating the logical unit number is not supported October 1992 7 21 7 SCSI Physical Path Communications 7 22 Preservation of Sense Data for LUN 0 To ensure that the initiator receives the correct sense data for the specified LUN the sense data for LUN 0 is not affected by commands issued to an invalid LUN Faint Invalid LUN Sent to EXB 10i Initiator 3 selects the EXB 10i with an LUN of 0 and requests that a move operation be performed from location 0 to location 3 Location 0 is empty which causes the move operation to terminate with Check Condition status 2 Initiator 3 selects the EXB 10i with an LUN of 2 and issues the REQUEST SENSE command The following sense data is returned and the command completes with Good status Sense Key Illegal Request 5h ASC Logical Unit Not Supported 25h ASCQ 0 3 Initiator 3 then selects the EXB 10i with an LUN of 0 and issues another REQUEST SENSE command The following sense data is returned and the com
167. ics firmware you must have a 4 pin to 25 pin RS 232 connector cable and an IBM compatible system running EXABYTE s CHS Terminal program If you do not have CHS Terminal or a similar terminal emulation software program contact your vendor If you do have the CHS Terminal program refer to the CHS Terminal User s Guide for more information about displaying Diagnostics To clean the data cartridge holder and cartridges follow these steps 1 2 October 1992 Open the EXB 10i door to override automatic operation Remove the cartridge holder by grasping it on both sides and pulling straight out Use a soft cloth or lens quality tissue to wipe off dust from the top sides and bottom of the cartridge holder Also wipe dust from the exposed sides of the cartridges Do not remove the cartridges Replace the cartridge holder by positioning it on the mounting plate inside the EXB 10i so that the oval slot on the back of the cartridge holder and the alignment pin on the plate are interlocked Push forward on the cartridge holder until it snaps into place Close the EXB 101 s door After a one second delay the EXB 10i resumes operating 5 3 5 Maintaining the EXB 10i Cleaning the Cartridge Tape Subsystem CTS The CTS requires cleaning every 30 tape motion hours with an EXABYTE or EXABYTE approved 8mm cleaning cartridge Depending on the operating environment you may need to clean the CTS more often Important Using
168. ies the length in bytes of the supported page list This value will be 6h The supported page list field contains all diagnostic page codes that the EXB 10i implements in ascending order beginning with page code 00h October 1992 17 3 17 RECEIVE DIAGNOSTIC RESULTS 1Ch 17 4 CTS Calibration Page 80h Page Code 80h Reserved Page Length 24 Upper bound of CTS vertical position Lower bound of CTS vertical position Calibrated CTS vertical position Upper bound of CTS horizontal position Lower bound of CTS horizontal position Calibrated CTS horizontal position The CTS Calibration page is returned after a CTS calibration was requested in the previous SEND DIAGNOSTIC command If the CHM or the CTS is reserved the EXB 10i returns with Reservation Conflict status 17 4 510601 October 1992 17 RECEIVE DIAGNOSTIC RESULTS 1Ch The fields in the CTS Calibration page are described below Page Length Bytes 02 and 03 The Page Length field specifies the length in bytes of the CTS calibration page The value for this page is 24 Upper Bound of CTS Vertical Position Bytes 04 through 07 This field defines an upper bound of possible CTS vertical positions Lower Bound of the CTS Vertical Position Bytes 08 through 11 This field defines a lower bound of possible CTS vertical positions Calibrated CTS Vertical Position Bytes 12 through 15 This field defines the calibrated ve
169. ilable whichever is less 3 Sends the appropriate status to the initiator The EXB 10i goes to the status in phase and returns either Good or Check Condition status to the initiator 4 Sends the Command Complete message to the initiator After the status in byte has been accepted by the initiator the EXB 10i goes to the message in phase sends the Command Complete message to the initiator and then goes to the bus free phase 19 8 510601 19 REQUEST SENSE 03h 19 5 Command Status The EXB 10i returns a status byte after processing the REQUEST SENSE command This section describes when each type of status byte might be returned Good The EXB 10i returns Good status when it is able to process the command without errors Busy The EXB 10i never returns Busy status for the REQUEST SENSE command Reservation Conflict The EXB 10i never returns Reservation Conflict status for the REQUEST SENSE command Check Condition The EXB 10i returns Check Condition status for the following reasons m The message system is enabled and a message error occurs while the EXB 10i is processing the command m The EXB 10i detects a parity error while receiving the CDB and the message system is not enabled m A reserved bit is set to 1 in the CDB Note Refer to Appendix C for a complete list of errors and the sense data returned for each October 1992 19 9 19 REQUEST SENSE 03h Notes 19 10 510601 RESERVE 16h
170. ill receive the remaining bytes then send a Restore Data Pointers message The EXB 10i then repeats the command phase If a parity error has been detected and message passing has not been established the EXB 10i will receive the remaining bytes then go to the bus free phase The EXB 10i will not set sense data because it does not know the LUN 4 The EXB 10i receives the remaining bytes If no parity error is detected the CDB has been successfully received If a parity error was detected and message passing has been established the EXB 10i will receive all remaining bytes go to the message in phase and send the Restore Data Pointers message The EXB 10i then repeats the command phase If a parity error was detected and message passing has not been established all remaining bytes are received The EXB 10i will go to the status phase and return Check Condition status If the LUN in byte 1 of the CDB is valid sense data will be set to the following Sense Key Aborted Command 0Bh ASC SCSI Parity Error 47h ASCQ 0 8 14 510601 8 General SCSI Command Operation RESTORE DATA PDINTERS GET 1st CDB BYTE BUS FREE SET SENSE DATA 0x05 0x20 0x00 GET 2nd CDE BYTE R E O PARLE ERROR GET REST OF CDB NO BUS FREE RESTORE DATA PDINTERS GET REST OF CDE PARITY ERROR SET SENSE DATA OxOb 0x47 0x
171. in If the error still displays contact your vendor Description The EXB 10i cannot perform the calibration procedure while the CTS door is closed Corrective Action Open the CTS door and then reset the EXB 10i The EXB 10i should perform the calibration procedure Description The EXB 10i cannot perform the calibration procedure while a cartridge is in the grab base Corrective Action Remove the cartridge from the grab base and then reset the EXB 10i The calibration procedure should perform C 20 510601 Top Bottom LED LED Display Display Appendix C EXB 10i Error Conditions Description Corrective Action O O O O Description The CHM cannot perform one of the CTS calibration moves Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor Description The CHM cannot perform one of the CTS calibration horizontal moves Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor Description The CHM has exhausted the possible positions for picking from the CTS It cannot find a CTS position where it can pick reliably Corrective Action Make certain the CTS is mounted correctly as described in Chapter 3 If the error still displays conta
172. inish processing the command 1 Checks the parameters in the CDB If any of the parameters in the CDB are invalid the EXB 10i skips to step 8 returns Check Condition status and sets the sense data as shown in Table 15 1 Checks if the CHM is reserved or if the destination element is reserved If the CHM is reserved the EXB 10i skips to step 8 and returns Reservation Conflict status Disconnects if allowed If the message system is enabled and the initiator has granted the disconnect privilege the EXB 10i changes to the message in phase and sends a Disconnect message The EXB 10i disconnects from the SCSI bus after the message is accepted by the initiator Checks whether there is a cartridge in the grab base and the destination element is the CHM If there is a cartridge in the grab base and the destination element is the CHM the EXB 10i returns Check Condition status 15 POSITION TO ELEMENT 2Bh 15 4 Checks whether there is a cartridge in the grab base and the destination element is the CTS and the CTS door is closed If there is a cartridge in the grab base and the destination element is the CTS the EXB 10i returns Check Condition status Performs the requested position operation Reconnects to the initiator if disconnected If the EXB 10i is disconnected from the SCSI bus it now attempts to reconnect to the initiator After the EXB 10i successfully reconnects to the initiator it goes to the message i
173. interface When SCSI commands are received after an unrecoverable hardware error the EXB 10i processes the command as described below Motion Commands or TEST UNIT READY Command If amotion command or TEST UNIT READY command is received after an unrecoverable hardware error condition the EXB 10i Does not execute the command m Returns Check Condition status to the initiator m Sets the sense data as appropriate for the hardware error condition For a complete list of hardware error conditions see Appendix C All Other Commands After an unrecoverable hardware error condition if the EXB 10i receives a command that does not involve motion of the CHM the EXB 10i executes the command normally Provided the EXB 10i does not detect another condition that prevents the execution of the command Good status is returned and the sense data for the initiator is cleared 7 29 7 SCSI Physical Path Communications Notes 7 30 510601 General SCSI Command Operation This chapter includes basic information about SCSI command format using SCSI commands and SCSI command field definitions for the EXB 10i October 1992 8 1 8 General SCSI Command Operation 8 1 SCSI Commands Table 8 1 lists the SCSI commands that the EXB 10i supports Note The commands supported by the CTS are described in the user s manual for the appropriate CTS Table 8 1 EXB 10i command set OP Code 00h 03h 07h 12h 15h 16h 17h 1Ah 1Ch 1Dh
174. ion blocks used with EXB 10i firmware levels If you have EXB 10i firmware level Use this type of calibration block 2 6 or 2 7 Black all other versions White If you need to order a calibration block contact your vendor Performing the Calibration To calibrate the cartridge sensor and eject positions follow these steps 1 Turn off the EXB 10i Then press and hold both the INCR and SEL buttons simultaneously while moving the power switch to the on position Figure D 1 shows the location of the INCR and SEL buttons After all LEDs turn on and then turn off in approximately two seconds wait another second and release the buttons The EXB 10i is now in option mode LED 1 will be flashing The user options are shown in Figure D 1 on the next page 510601 Appendix DCalibrating the Cartridge Sensor and Eject Position Figure D 1 User options on the EXB 10i October 1992 To turn on the calibrate cartridge sensor option press the INCR button three times until LED 4 flashes Once LED 4 is flashing press the SEL button once LED 4 remains illuminated To turn on the eject position calibrate option press the INCR button until LED 8 flashes Once LED 8 is flashing press the SEL button once LED 8 remains illuminated LED 9 will be flashing Exit option mode by pressing SEL and INCR simultaneously for several seconds Then release the buttons The grab base moves to the bo
175. is a data cartridge storage location and the destination is the Entry Exit Port Since the EXB 10i does not have an Entry Exit port the value returned for this field is 0 ST ST Byte 05 Bit 1 This field identifies the support for the MOVE MEDIUM A5h command where the source is a data cartridge storage location and the destination is a data cartridge storage location The value returned for this field is 1 ST MT Byte 05 Bit 0 This field identifies the support for the MOVE MEDIUM A5h command where the source is a data cartridge storage location and the destination is the CHM The value returned for this field is 1 IE gt DT Byte 06 Bit 3 This field identifies the support for the MOVE MEDIUM A5h command where the source is the Entry Exit Port and the destination is a CTS The value returned for this field is 0 I E gt IE Byte 06 Bit 2 This field identifies the support for the MOVE MEDIUM A5h command where the source is the Entry Exit Port and the destination is the Entry Exit Port The value returned for this field is 0 510601 13 MODE SENSE 1Ah I E ST Byte 06 Bit 1 This field identifies the support for the MOVE MEDIUM A5h command where the source is the Entry Exit Port and the destination is a data cartridge storage location The value returned for this field is 0 E MT Byte 06 Bit 0 This field identifies the support for the MOVE MEDIUM A5h command where the source is t
176. is field is valid only if the Except bit is set to 0 Additional Sense Code Byte 04 This field together with the Additional Sense Code Qualifier field denotes a specific error condition when the Except bit is set to 1 See Table 16 2 Additional Sense Code Qualifier Byte 05 This field together with the Additional Sense Code field denotes a specific error condition when the Except bit is set to 1 See Table 16 2 Not Bus Byte 06 Bit 07 This field is not used and is always 0 ID Valid Byte 06 Bit 05 This field is not used and is always 0 LU Valid Byte 06 Bit 04 This field is not used and is always 0 Logical Unit Number Byte 06 Bits 02 and 01 This field is not used and is always 0 SCSI Bus Address Byte 07 This field is not used and is always 0 SValid Byte 09 Bit 07 The Source Valid SValid bit is set to 1 when the Source Storage Element Address field is valid or to 0 when this field is not valid Invert Byte 09 Bit 06 This field is not used and is always 0 Source Storage Element Address Bytes 10 and 11 The Source Storage Element Address field indicates the address of the last storage element from which the cartridge was moved This field is only valid if the SValid bit is 1 16 11 16 READ ELEMENT STATUS B8h Notes 16 12 510601 L RECEIVE DIAGNOSTIC RESULTS 1Ch 7 6 5 2 0 0 0 1 Logical Unit Number Reserved
177. is must be a valid EXB 10i address and does not have to match the value in the Element Type Code field The EXB 10i reports only elements with greater addresses than the starting address and of the same element type code 510601 October 1992 16 READ ELEMENT STATUS B8h Element descriptor blocks are not generated for undefined element addresses If the initiator specifies an invalid starting address the EXB 10i terminates the command with Check Condition status sets the sense key to Illegal Request sets the ASC to Invalid Field in CDB 24H and sets the ASCO to 0 The field pointer will point to byte 2 Number of Elements Bytes 04 and 05 The Number of Elements field allows you to specify the maximum number of defined element descriptors to be created If the Allocation Length is not sufficient for transferring all the element descriptors the EXB 10i transfers those descriptors that can be fully transferred and still meet the allocation length The EXB 10i does not truncate any descriptor but stops at the last full descriptor block If the maximum number is greater than the number of elements that actually exist for that type the EXB 10i sends all the descriptor blocks for the existing elements and then terminates the data in phase Allocation Length Bytes 07 through 09 The Allocation Length allows you to specify the maximum number of bytes the initiator is allowing the EXB 10i to transfer A value of 0 is not an error N
178. is processing the command m The EXB 10i detects a parity error while receiving either the CDB or the element descriptor data and the message system is not enabled m The command is issued to an invalid LUN m A Unit Attention condition is pending for the initiator m A reserved bit is set to 1 in the CDB A parameter in the CDB or element descriptor data is invalid Note Refer to Appendix C for a complete list of errors and the sense data returned for each 20 9 20 RESERVE 16h Notes 20 10 510601 SEND DIAGNOSTIC 1Dh 7 6 5 3 2 0 0 0 0 1 1 1 Logical Unit Number RSVD SelfTest UnitOfl Reserved Parameter List Length Control October 1992 21 1 21 SEND DIAGNOSTIC 1Dh 21 1 About This Command The SEND DIAGNOSTIC command instructs the EXB 10i to perform diagnostic tests on itself The EXB 10i can also perform individual diagnostic procedures as requested by the initiator in the parameter list The EXB 10i can perform the following diagnostics tests Redefinition of zero on the horizontal and vertical axes Cartridge sensor calibration procedure CTS calibration procedure Eject position calibration procedure Verification of the EXB 10i pick and place procedures 21 2 Field Definitions 21 2 This section describes the fields in the command descriptor block for the SEND DIAGNOSTIC command shown in the table on page 21 1 and the values you can e
179. ish communication with the initiator the EXB 10i goes into reselection phase During this phase the EXB 10i has both the BSY and SEL signals asserted and the data bus value is the logical OR of the EXB 10i s SCSI ID bit and the initiator s SCSI ID bit After reselection the EXB 101 s first message is also the Identify message This allows the physical path to be re established for the LUN specified by the EXB 10i Whenever a physical path is established with an initiator that can accommodate disconnection and reconnection the initiator must ensure that the active pointers of the physical path are equal to the saved pointers for that particular target and LUN For a detailed explanation of SCSI bus phases refer to the ANSI Small Computer System Interface 2 SCSI 2 standard 7 SCSI Physical Path Communications Message Processing Once the message system has been initiated by the Identify message during the selection phase the EXB 10i accepts and processes messages from the initiator when attention is active The EXB 10i will respond to attention for each phase as follows Selection Phase Immediately following the selection Command Phase At the end of the command phase after all CDB bytes have been received Data In Phase After all bytes have been sent to the initiator Data Out Phase After all bytes from the initiator have been received Status In Phase After the status byte has been sent to the initiator Messa
180. ition has already been calibrated You can follow the instructions in this section to power on the EXB 10i 510601 3 Installing the EXB 10i If the EXB 10i Has Been Stored for Less Than Six Months To turn on the EXB 10i push the power switch on the front of the EXB 10i to the on position Figure 3 17 shows the location of the power switch When power is turned on the following activities occur The power on indicator on the front of the EXB 10i illuminates The cooling fan begins to rotate The 10 LEDs on the front of the EXB 10i illuminate for one to two seconds and then turn off The LEDs on the CTS illuminate m The CTS performs its power on self test m The EXB 10i performs its power on self test During this test the cartridge handling mechanism ascends to the top of the EXB 10i When this test completes the EXB 10i is ready for operation When the EXB 10i is first powered on it is in random mode by default In random mode the EXB 10i waits at the top of the EXB 10i For more information about the modes of operation and EXB 10i cartridge processing refer to Chapter 4 For more information about programming the EXB 10i for random mode operation refer to Part 3 of this manual Note If the EXB 10i has been changed to sequential mode the EXB 10i begins processing the bottommost cartridge if the restart option is turned on the EXB 10i resumes processing where it left off if the restart option is turne
181. ition of the cartridge handling mechanism CHM This position will be a four byte number The table below summarizes the log parameters for the mechanism position Table 11 5 Log parameters for the EXB 10i mechanism position Log Parameter Function Log Parameter Code Parameter Control Byte Parameter Length Y Axis Position 100 4 Z Axis Position 101 Home Frequency Log Parameter Log parameter code 200 indicates the frequency of the EXB 101 s home operations This number represents the number of CTS door closures that occurred between successive home operations The table below summarizes the log parameters for home frequency operations Table 11 6 Log parameters for home frequency operations Log Parameter Function Log Parameter Code Parameter Control Byte DS TSD ETC TMC 4 Parameter Length Home Frequency The number of CTS door closures between successive autohome functions October 1992 200 1 0 0 0 2 11 11 11 LOG SENSE 4Dh History of Events Log Page Page Code 32h The History of Events Log page returns a history of recent events that occurred in the EXB 10i Each of the EXB 101 s events is a string that consists of two fields A description of the event m A time stamp indicating the time and date the event occurred Each event is 80 bytes of ASCII characters The first 56 characters provid
182. ked for the value set by the MODE SELECT 15h command Destination Element Address Bytes 04 and 05 This field allows you to specify the address of the element where the CHM is to be positioned If the destination address is the CHM the EXB 10i positions the grab base in the park position Use the destination address if you want to move the CHM out of the way so you can easily access the CTS or the data cartridge holder Invert Byte 08 Bit 0 The EXB 10i does not support the Invert function The value for this field must be 0 15 2 510601 15 POSITION TO ELEMENT 2Bh 15 3 Command Execution October 1992 This section describes the steps that the EXB 10i follows when executing the POSITION TO ELEMENT command These steps occur after the EXB 10i has been selected and has successfully received the CDB and there are no conditions present that prevent the command from being executed Refer to Section 8 6 for a complete list of conditions that the EXB 10i checks while it is receiving and after it has received the CDB from the initiator Note The following steps describe the normal processing of the command through the bus free phase If the message system is enabled additional errors and processing can occur anytime the EXB 10i responds to ATN with a message out phase Refer to Section 7 1 for more information about the message system and possible error conditions The EXB 10i takes the following actions to f
183. l a CTS in the EXB 10i and replace the cover See Mounting the CTS in the EXB 10i in Section 3 5 for complete instructions 5 12 510601 5 Maintaining the EXB 10i 11 After replacing the CTS recalibrate the CTS position as described in Section 3 9 Replacing the Fuse The EXB 10i uses a5 20 mm 1 6 amp 250 volt fuse An extra fuse is located in the fuse drawer at the back of the EXB 10i WARNING Before performing any of the following steps be sure that the power switch is in the off position and the power cord is disconnected from the EXB 10i VORSICHT Bevor Sie einen der folgenden Schritte ausf hren stellen Sie bitte sicher daB der Netzschalter ausgeschaltet und das Netzkabel vom EXB 10i getrennt ist To replace the fuse follow these steps 1 Locate the fuse drawer at the back of the EXB 10i as shown in Figure 5 6 drawer Figure 5 6 Removing the fuse drawer on the back of the EXB 10i October 1992 5 13 5 Maintaining the EXB 10i 2 Grasp the sides of the fuse drawer with your thumb and forefinger Depress the release clip on the right side of the drawer and pull the fuse drawer out 3 Remove the old fuse from the fuse drawer and check to see if it has blown If it has replace it with the spare fuse in the drawer 4 If necessary put a new spare fuse in the drawer 5 Replace the fuse drawer in the EXB 10i Insert the open end of the fuse drawer first with the release clip on th
184. ld Definitions 13 2 13 3 Parameter List Header o sasea pmarsada 00 0000 2 eee eee 13 4 13 4 Element Address Assignment Page 45 seb ee eee ee we ees 13 5 13 5 Transport Geometry Descriptor Pages lt gt ee ae ye eee Rie Bw RA 13 7 13 6 Device Capabilities Pag ss ig de 8 Re ERE A ERE E 13 8 159 7 Baud Rate Page s mean goin a AEE OEE KE ee Ee Res 13 12 xii 510601 19 8 Party A EA 13 13 13 9 Command Execution 13 14 13 10 Command Status 0 0 0 00 00 eee ee ee 13 15 14 move MEDIUM A5h 14 1 14 1 About This Command 0 0 00000 eee eee 14 2 14 2 Field Definitions 00 00 ee ee 14 3 14 33 Command Execution 14 4 14 4 Command Status pie SEATa e ee 14 7 15 Position To ELEMENT 2Bh 15 1 15 1 About This Command a os s aon oe aa a Be a we ewe 15 2 15 2 Field Definitions se eoc 6 deaa res a a eR Oe e a ee a G 15 2 15 3 Command Execution 15 3 15 4 Command StatlS cecilia A ew RD Bw 15 5 16 READ ELEMENT STATUS B8h 16 1 16 1 About This Command 0 a a ee 16 2 16 2 Field Definitions ox es ew oe Bl ee Ew ae ew was Ba ed we BA a 16 2 16 3 Element Status Data 00 000 ou kiiy e a e ee 16 4 16 4 Element Status Page soe coccion ara AAA 16 5 16 5 Element Status Descriptors ss os 4h Sees RARAS 16 6 Medium Transport Element Descriptor 256 eh ee oe ee ee ees 16 6 Storage Element Descriptor ics lt s 36sceteadetatave a dea ee 16 8 Data Transfer Element Descripto
185. ld set to 3Fh to determine which pages are supported which parameters within the pages are changeable and the supported length of each page 2 Default values Indicates that the EXB 10i should return the default values The requested pages are returned with each supported parameter set to its default value Parameters not supported by the EXB 10i are set to 0 3 Saved values Indicates that the EXB 10i should return the saved values The requested pages are returned with each supported parameter set to its saved value Parameters not supported by the EXB 10i are set to 0 Note For a Page Control value of 3 if no page has been saved default values are returned Page Code Byte 02 Bits 5 through 0 This field allows you to specify which pages the EXB 10i will return You can specify one of the following values 1Dh Element Address Assignment page 1Eh Transport Geometry page 1Fh Device Capabilities page 20h Baud Rate page 00h Parity page 3Fh All pages in the above order Allocation Length Byte 04 This field allows you to specify the length of the parameter list the EXB 10i will return The maximum length returned is 56 bytes 13 3 13 MODE SENSE 1Ah The EXB 10i terminates the Data In phase when the number of bytes specified by the Allocation Length have been transferred or when all available Mode Sense data has been transferred to the initiator whichever is less 13 3 Parameter List Heade
186. length is 25 meters 82 feet m For single ended SCSI configurations the maximum allowable bus length is 6 meters 19 7 feet As Figure B 1 shows each EXB 10i attached to the SCSI bus uses 0 55 meters 21 5 inches of the total allowable bus length internally 1 2 Ly Bus Terminator EXB 10i 1 EXB 10i 2 EXB 10i N E 0 55 meters Figure B 1 Calculating SCSI cable length for daisy chained EXB 101 s Therefore to determine the allowable distance in meters between devices on the bus for a daisy chained configuration use the following formula Total Length L1 L2 Ln 0 55n where L Length in meters between devices on the bus n Number of devices on the bus Total Length 6 meters maximum for single ended configurations 25 meters maximum for differential configurations October 1992 B 3 Appendix B SCSI Cable Requirements Notes B 4 510601 EXB 10i Error Conditions This appendix provides a summary of EXB 10i error conditions October 1992 C 1 Appendix C EXB 10i Error Conditions Types of EXB 10i Errors This section describes the EXB 10i s two methods of indicating error conditions sense keys and LED displays Sense Keys Table C 1 below describes the five sense keys that are associated with EXB 10i errors These sense keys are returned in byte 02 of the
187. ly if you replace the cartridge handling mechanism or the VMC card if you receive one or more 1Ch error codes within 10 pick and place cycles or if you upgrade the firmware Instructions for using the cartridge sensor calibrate option are provided in Appendix D The cartridge sensor calibrate option is on or off as follows O Cartridge sensor calibrate option off The EXB 101 will not perform a cartridge sensor calibration after power on self test Cartridge sensor calibrate option on The EXB 10i will perform a cartridge sensor calibration after power on self test The EXB 10i is shipped with the cartridge sensor calibrate option off 510601 October 1992 4 Operating the EXB 10i Random Sequential Option LED 6 The random sequential option allows you to specify which mode the EXB 10i will operate in as follows O Random Sequential off The EXB 10i will operate in random mode O Random Sequential on The EXB 101 will operate in sequential mode When the EXB 10i is first powered on it is automatically in random mode This option is stored in nonvolatile RAM If you set the EXB 10i to sequential mode and then power cycle the EXB 10i it will remain in sequential mode The EXB 10i is shipped with the random sequential option off Parity Enable Disable Option LED 7 When the EXB 10i is in random mode the parity enable disable option allows you to specify whether the EXB 10i will perform parity checking as follo
188. mand completes with Good status Sense Key Illegal Request 5h ASC Move Error 3Bh ASCQ Source for Move Empty OEh 510601 7 SCSI Physical Path Communications 7 4 Busy Condition October 1992 The EXB 10i returns Busy status to an initiator when it is m Disconnected from the SCSI bus to process a SCSI command for a different initiator m Aborting a SCSI motion command Note The EXB 10i is able to process both the REQUEST SENSE 03h command and the INQUIRY 12h command when Busy status is returned to all other commands Disconnecting from the SCSI Bus The EXB 10i disconnects from the SCSI bus to process a command that requires a lengthy amount of time thereby freeing the SCSI bus to allow another I O process to occur The EXB 10i can only disconnect from the SCSI bus if it has been granted permission to do so by the initiator To grant the EXB 10i permission to disconnect the initiator must do the following 1 Select the EXB 10i with ATN to enable the message system 2 Send the EXB 10i an Identify message with the DiscPriv bit set to 1 For more information on activating the message system and for details on the Identify message refer to Section 7 1 If the initiator grants the EXB 10i permission to disconnect and then sends either the MOVE MEDIUM POSITION TO ELEMENT SEND DIAGNOSTIC or INITIALIZE ELEMENT STATUS command the following occurs 1 The EXB 10i disconnects from the SCSI bus to process th
189. meters have changed When an initiator receives a Unit Attention condition for changed mode select parameters that initiator should issue a MODE SENSE command to the EXB 10i to determine the new settings Sends appropriate status to the initiator The EXB 10i goes to the status in phase and returns either Good Check Condition Busy or Reservation Conflict status to the initiator Sends a Command Complete message to the initiator After sending the status byte to the initiator the EXB 10i changes to the message in phase sends the Command Complete message to the initiator and then goes to the bus free phase 12 11 12 MODE SELECT 15h Table 12 1 Invalid parameters in the MODE SELECT CDB or MODE SELECT data Sense Key SKSV Bit Bit Pointer Field Pointer Error Description 0004h Invalid Parameter List Length 0001h Invalid PF page format Invalid values in the Parameter List Header All values must be 0 The value of the field pointer is the value of the first field that contains a non zero value 00 01 02 or 03 Invalid Page Code Reserved bits set in the element address page code field Invalid Parameter List Length Reserved bits set in the reserved fields 22 or 23 bytes 18 or 19 of the Element Address Assignment page Address overlap The field pointer is set to the value representing the field in the Element Address Parameter List which caused the address overlap as f
190. meters in the CDB are invalid the EXB 10i skips to step 3 returns Check Condition status and sets the sense data as shown in Table 18 1 2 Releases the requested reservations if possible If the Element bit is 0 and the EXB 10i is not reserved by a different initiator the EXB 10i clears the unit reservation if present and all element reservations for the requesting initiator If the Element bit is 1 the EXB 10i clears all element reservations associated with the specified Reservation Identification for the requesting initiator 3 Sends the appropriate status to the initiator 18 RELEASE 17h The EXB 10i goes to the status in phase and returns either Good Check Condition Busy or Reservation Conflict status to the initiator 4 Sends the Command Complete message to the initiator After the status in byte has been accepted by the initiator the EXB 10i goes to the message in phase sends the Command Complete message to the initiator and goes to the bus free phase Table 18 1 Invalid parameters in the RELEASE CDB gt x o 0 o 2 SKSV Bit Bit Pointer Field Pointer Error Description _ 0001h Error in 3rd Party field 4 0001h Error in Third Party Device field 18 4 Command Status 18 4 The EXB 10i returns a status byte after processing the RELEASE command This section describes when each type of status byte might be returned Good The
191. modes of operation are described below Random Mode In this mode the CHM loads and unloads data cartridges from the cartridge holder in an order that is specified by SCSI commands Sequential Mode In this mode the CHM loads and unloads cartridges from the cartridge holder in a sequential order from bottom to top You can switch between random and sequential modes by using the random sequential mode option described on page 4 9 How the EXB 10i Operates in Random Mode In random mode a SCSI controller determines the order in which data cartridges are loaded and unloaded from the data cartridge holder The controller implements a subset of the commands specified in the ANSI Small Computer System Interface 2 SCSI 2 specification There are two basic SCSI motion commands that control random mode MOVE MEDIUM 0Ah This command moves a cartridge from one location to another The location can be either the CTS or a slot in the data cartridge holder POSITION TO ELEMENT 2Bh This command positions the grab base in front of a specified location 4 2 510601 4 Operating the EXB 10i How the EXB 10i Operates in Sequential Mode In sequential mode EXB 10i operation is not controlled by SCSI commands instead the EXB 10i s pick and place cycle is controlled by the CTS door switch inside the EXB 10i When the CTS door opens it contacts the CTS door switch and triggers the pick and place cycle During this cycle the
192. mount of time it disconnects and reconnects only once Therefore it is only relevant for the initiator to change the Disconnect Privilege before the status in phase for example during the first message out phase after the command phase or after a disconnect message in The initiator may not send additional Identify messages with a different LUN specified since you cannot change to a different I O process during a single connection The handling of the Identify message is specified in the following tables Table 7 5 EXB 10i action when the First Identify message is valid If the First Identify Message is valid during this The EXB 10i takes the following action phase Select Process Messages True DiscPriv Bit 6 of Identify message out LUN LUN specified in Identify message out 7 12 510601 7 SCSI Physical Path Communications Table 7 6 Handling of Valid Identify Message with the same LUN as for the First Identify message If the Valid Identify Message has the same LUN as the First Identify Message during this phase The EXB 10i takes the following action Select Command Data Out Data In Status Message Out DiscPriv Bit 6 of Identify message out Continues processing the command as before Message In Cmd Complete Goes to the bus free phase Message In Disconnect DiscPriv Bit 6 of Identify message out If DiscPriv is FALSE then does not disconnect
193. n phase and sends the Identify message to re establish the connection Sends the appropriate status to the initiator The EXB 10i goes to the status in phase and returns either Good Check Condition Busy or Reservation Conflict status to the initiator Sends the Command Complete message to the initiator After the status in byte has been accepted by the initiator the EXB 10i goes to the message in phase sends the Command Complete message to the initiator and then goes to the bus free phase 510601 15 POSITION TO ELEMENT 2Bh Table 15 1 Invalid parameters in the POSITION TO ELEMENT CDB Sense Key SKSV Bit Bit Pointer Field Pointer Error Description 0008h Invalid Invert field 0002h Invalid transport element address 0004h Invalid destination element address Requested a POSITION TO ELEMENT to 0000h park but a cartridge was in the grab base Requested a POSITION TO ELEMENT to 0000h the CTS but the CTS door was closed and a cartridge was in the grab base 15 4 Command Status October 1992 The EXB 10i returns a status byte after processing the POSITION TO ELEMENT command This section describes when each type of status byte might be returned Good The EXB 10i returns Good status when it is able to process the command without errors Busy The EXB 10i returns Busy status when the EXB 10i is processing a command for a different initiator or when
194. nd 13 2 Field Definitions This section describes the fields in the command descriptor block for the MODE SELECT command shown in the table on page 13 1 and the values you can enter for each DBD Disable Block Descriptors Byte 01 Bit 3 The EXB 10i does not use block descriptors The value for this field must be 1 Page Control Byte 02 Bits 7 and 6 This field defines the type of parameters that are to be returned for the MODE SENSE command You can specify 0 1 2 or 3 0 Current Values Indicates that the EXB 10i should return the current parameter values The current values are listed below a The parameters set in the last successful MODE SELECT command m The saved values if a MODE SELECT command has not been executed since the last power on SCSI bus reset condition or Bus Device Reset message m The default values if saved values are not available 13 2 510601 October 1992 13 MODE SENSE 1Ah 1 Changeable values Indicates that the EXB 10i should return the changeable parameter masks The requested pages are returned and indicate which parameters the initiator can change All bits of changeable parameters are set to 1 All bits of parameters that are not changeable by the initiator are set to 0 The Page Code fields and Parameter List Length fields have their normal values Note Before issuing any MODE SELECT commands issue a MODE SENSE command with the PC field set to 1h and the Page Code fie
195. ng Hold the CTS by the top and bottom From the front of the EXB 10i slide the CTS into the EXB 10i enclosure so that the bottom of the CTS rests on the platform in the center of the EXB 10i See Figure 3 11 for the correct position of the CTS Note If the CTS includes an interface card with resistor terminators R packs use the flat nose wiring pliers to remove them from the back of the CTS Figure 3 11 Installing the CTS 3 17 3 Installing the EXB 10i 3 18 Connect each of the EXB 101 s internal cables to the CTS as described below and on the next page The locations of the connectors on the back of the EXB 8200 and EXB 8500 are shown in Figure 3 12 and Figure 3 13 m Connect the EXB 101 s internal power cable connector the four wire connector labeled Drive P1 to the four pin power connector on the back of the CTS m Connect the EXB 101 s internal 4 pin diagnostic cable the four wire connector labeled Drive P2 on the EXB 8200 and labeled Drive P1 on the EXB 8500 to the Monitor maintenance port on the back of the CTS Connect the EXB 10i s internal SCSI cable the ribbon cable with the 50 pin connectors to the SCSI connector on the back of the CTS and to either the J10B or the J10A connector on the VMC card on the back of the EXB 10i chassis J10B is the single ended connector J10A is the differential connector m Ifthe CTS has a remote connector for the SCSI ID attach
196. ng the Upper Bezel on page 3 14 If necessary move the grab base safely above the CTS opening in the EXB 10i at least halfway between the top and the bottom See page 5 6 for instructions Using a T 15 TORX driver bit remove the screw that holds the door switch plate in place as shown in Figure 5 3 Move the switch aside down and toward the front of the EXB 10i do not disconnect the cable still attached to the switch Figure 5 3 Moving the door switch plate 5 10 510601 October 1992 5 Maintaining the EXB 10i 5 If your EXB 10i has a metal plate that attaches to the inner frame and to the CTS on the right side of the EXB 10i shown in Figure 5 4 use a T 15 TORX driver bit to loosen the two screws that hold the plate onto the inner frame shown by the arrow Figure 5 4 CTS screws right side view 5 Maintaining the EXB 10i 6 Using a T 15 TORX driver bit remove the three 6 32 screws from the mounting holes in the EXB 10i as shown in Figure 5 5 Figure 5 5 Location ofCTS mounting screws 7 Slide the CTS forward slightly so you can access the cables and comnectors on the back 8 Disconnect the following EXB 10i cables from the connectors on the back of the CTS m 50 pin SCSI cable m 6 pin remote SCSI ID cable if one is connected m 4 pin diagnostics cable E 4 pin power cable 9 Holding the CTS by the top and the bottom slide it out of the EXB 10i enclosure from the front 10 Reinstal
197. nnector on the other end The power cord is UL Listed and CSA Certified WARNING The primary disconnect device is considered to be the power cord plug For this reason install the EXB 10i near an outlet that is readily accessible VORSICHT Die Hauptnetztrennfunktion wird durch den Netzstecker bernommen Aus diesem Grund schliefen Sie bitte das EXB 10i an eine leicht zug ngliche Steckdose an 510601 Appendix A Power Cord Requirements Power Cord for Other Voltages and International Use If you are planning to use an input voltage other than 120 volts AC or if you will be using the EXB 10i outside of the United States or Canada you must supply your own power cord U S and Canadian 220 VAC Power Cord The criteria for a U S and Canadian 220 volt AC power cord for the EXB 10i are as follows The power cord must have a molded NEMA 6 15P attachment plug on one end The power cord must have a molded IEC type CEE 22 female connector on the other end The cordage used must be an SJT type three conductor 18 AWG minimum The power cord must comply with local electrical code International 220 VAC Power Cord The criteria for an international 220 VAC power cord are as follows October 1992 The power cord must have an attachment plug of the proper type rating and safety approval for the intended country The power cord must have an IEC type CEE 22 female connector on one end The cordage must be ade
198. not perform one of the CTS calibration horizontal moves 88h The EXB 10i has exhausted the possible positions for picking from the CTS It cannot find a position where it can pick reliably from the CTS 89h The EXB 10i cannot perform CTS calibration on the horizontal axis The EXB 10i cannot perform the CTS calibration because there is a cartridge in the CTS Remove the cartridge from the CTS and then reset the EXB 10i The EXB 10i should perform the CTS calibration procedure The EXB 10i tried to locate a cartridge in the cartridge holder but could not find one Install a cartridge in the bottom cartridge holder slot and reset the EXB 10i Appendix C EXB 10i Error Conditions LED Display Description The grab base cannot start the move to the cartridge sensor 20h calibration position The grab base cannot move to the sensor calibration start 91h f position 92h The EXB 10i could not detect the cartridge sensor The EXB 10i is waiting for you to insert the sensor calibration aai tool 94h The grab base could not complete the calibration 95h The EXB 10i could not locate the cartridge sensor position A motion error occurred while the grab base was searching for aon the cartridge sensor position The grab base cannot move to the horizontal zero position after aN completing the cartridge sensor calibration 98h Internal error The calibrati
199. nse data 3 Disconnects if allowed If the message system is enabled and the initiator has granted the disconnect privilege the EXB 10i changes to the message in phase and sends a Disconnect message The EXB 10i disconnects from the SCSI bus after the initiator accepts the message 510601 October 1992 21 SEND DIAGNOSTIC 1Dh Note The EXB 10i does not disconnect for page code 00 Instead it goes directly to step 6 Performs a diagnostic self test see Section 21 5 Reconnects to the initiator if disconnected If the EXB 10i is disconnected from the SCSI bus it attempts to reconnect to the initiator after the motions are complete After the EXB 10i successfully reconnects to the initiator it goes to the message in phase and sends the Identify message to re establish the connection Sends status to the initiator The EXB 10i goes to the status in phase and returns either Good Check Condition Busy or Reservation Conflict status to the initiator Sends the Command Complete message to the initiator After the status in byte has been accepted by the initiator the EXB 10i goes to the message in phase sends the Command Complete message to the initiator and then goes to the bus free phase 21 7 21 SEND DIAGNOSTIC 1Dh 21 5 Errors Reported The table below lists errors for the SEND DIAGNOSTIC command Note Hardware Errors reported for this command are listed in Appendix C Table 21 2 Invalid paramet
200. nstalling in data cartridge holder 3 6 to 3 7 moving with SCSI commands 8 4 removing and replacing 4 17 specifying the next to be processed 4 15 diagnostics performing 8 6 differential SCSI terminators for 3 3 Disconnect 04h message 7 5 door cleaning 5 2 description of 2 3 opening 4 17 door switch plate 2 5 E 3 6 to 3 7 3 8 to 3 9 eject position calibrate option 4 10 performing D 1 to D 4 electrostatic discharge requirements 3 10 elements default addresses 8 4 12 7 definition of 8 3 12 6 error codes Aborted Command sense key C 30 Hardware Error sense key C 6 hardware errors on the LED display C 11 Index Illegal Request sense key C 26 Not Ready sense key C 5 on LED display 4 5 C 3 sense keys C 2 Unit Attention sense key C 28 error codes complete list of C 1 to C 30 event history 11 13 EXB 10i back of 2 6 general operating features 4 1 to 4 20 inside of 2 4 installing 3 1 to 3 34 installing cartridge tape subsystem in maintaining and repairing 5 1 to 5 14 packing and shipping 6 1 to 6 6 resetting 4 19 serviceable parts for 5 9 extended sense bytes REQUEST SENSE 3 9 to 3 23 command 19 3 F fan 2 7 format SCSI command 8 7 FRUs See serviceable parts fuse description of 2 7 replacing 5 13 to 5 14 G Good 00h status 8 9 grab base moving in and out 3 4 to 3 5 5 8 moving up and down 5 6 to 5 7 packing for EXB 10i shipment 6 3 unpacking 3 4 H Hardware Error sense key C 6
201. nter for each PF Page Format Byte 01 Bit 4 The Page Format field should always be 1 This indicates that the SEND DIAGNOSTIC parameters conform to the page structure as specified in SCSI 2 SelfTest Byte 01 Bit 2 The SelfTest bit instructs the EXB 10i to perform a self test as follows 0 The target will perform the diagnostic operation specified in the parameter list For more information see SelfTest Bit at 0 1 The EXB 10i will complete its default self test For more information see SelfTest Bit at 1 SelfTest Bit at 0 When the SelfTest bit is set to 0 the target performs the diagnostic operation specified in the parameter list 510601 October 1992 21 SEND DIAGNOSTIC 1Dh If the EXB 10i returned Good status to the SEND DIAGNOSTIC command you can use a RECEIVE DIAGNOSTIC RESULTS command to obtain the results of the following m Cartridge sensor calibration procedure CTS calibration procedure m Eject position calibration procedure If the EXB 10i returned Check Condition status to the SEND DIAGNOSTIC command a hardware error occurred and a subsequent RECEIVE DIAGNOSTIC RESULTS command will contain no valid information If you request a redefinition of zero on the vertical and horizontal axes or a verification of the pick and place functionality the EXB 10i does not generate a Receive Diagnostic Results page If the operation was successful the EXB 10i returns Good status to th
202. ntification Product Identification Firmware Revision Level Vendor Specific The fields in the inquiry data are described below Peripheral Qualifier Byte 00 Bits 7 through 5 The value returned for this field is Oh indicating that the EXB 10i is a single LUN device If an LUN other than 0 is sent the value returned for this field is 011b binary which indicates that the EXB 10i is not capable of supporting a physical device on the specified logical unit October 1992 10 3 10 INQUIRY 12h 10 4 Peripheral Device Type Byte 00 Bits 4 through 0 The value returned for this field is 8h identifying the EXB 10i as a sequential access medium changer device If an LUN other than 0 is sent the value returned for this field is 1Fh indicating that the peripheral device type is unknown The remainder of the standard inquiry data is returned normally for the EXB 10i RMB Removable Medium Bit Byte 01 Bit 7 The value returned for this field is 1 indicating that the media is removable Device Type Qualifier Byte 01 Bits 6 through 0 The value returned for this field is 00h indicating that there are no qualifiers ISO Version ECMA Version ANSI Approved Version Byte 02 The value returned for this byte is 02h indicating support of the current ANSI version of the SCSI 2 specification AENC Asynchronous Event Notification Capability Byte 03 Bit 7 The EXB 10i does not support this function T
203. nvalid parameters in the RECEIVE DIAGNOSTIC RESULTS CDB on aan ola fafa Reserved bit set in CDB Pointers point to bit in error 17 10 510601 RELEASE 17h 6 5 4 3 2 1 0 0 0 1 0 1 1 1 Logical Unit Number 3rdPty Third Party Device ID Element Reservation Identification Reserved Control October 1992 18 1 18 RELEASE 17h 18 1 About This Command The RELEASE command enables the initiator to release reservations of the EXB 10i or elements of the EXB 10i as set by the RESERVE 16h command For information on the RESERVE command see Chapter 20 For default element addresses refer to Figure 8 1 in Chapter 8 The release of an unreserved EXB 10i or of unreserved elements of the EXB 10i is not an error Only the initiator that reserved the EXB 10i or EXB 10i elements can release the reserved EXB 10i or elements If another initiator attempts to release a reserved EXB 10i or element the EXB 10i will return a Reservation Conflict 18h status 18 2 Field Definitions This section describes the fields in the command descriptor block for the RELEASE command shown in the table on page 18 1 and the values you can enter for each 3rdPty Byte 01 Bit 4 Because the EXB 10i does not support third party operations this value must be 0 Third Party Device ID Byte 01 Bits 3 through 1 Because the EXB 10i does not support third party reservations this value must be
204. o 1 no elements are reserved The maximum value for this field is 72 0048h October 1992 20 3 20 RESERVE 16h 20 3 Element List Descriptor Reserved Number of Elements Element Address The fields in the element list are described below Number of Elements Bytes 02 and 03 This field specifies the number of elements of a specific type data cartridge slots or CTS to be reserved If the value of this field is 0 all elements starting at the Element Address bytes 04 and 05 through the last element address for that EXB 10i are reserved Element Address Bytes 04 and 05 This field specifies the address of the element or the starting address of a series of elements to be reserved 20 4 510601 20 RESERVE 16h 20 4 Command Execution October 1992 This section describes the steps that the EXB 10i follows when executing the RESERVE command These steps occur after the EXB 10i has been selected and has successfully received the CDB and there are no conditions present that prevent the command from being executed Refer to Section 8 6 for a complete list of conditions that the EXB 10i checks while it is receiving and after it has received the CDB from the initiator Note The following steps describe the normal processing of the command through the bus free phase If the message system is enabled additional errors and processing can occur anytime the EXB 10i responds to ATN with a message out ph
205. ocessing can occur anytime the EXB 10i responds to ATN with a message out phase Refer to Section 7 1 for more information about the message system and possible error conditions The EXB 10i takes the following actions to finish processing the command 1 Checks the parameters in the CDB The EXB 10i checks the parameters in the CDB for valid values If either of the parameters in the CDB are invalid the EXB 10i returns Check Condition status to the initiator and sets the sense data as shown in Table 10 1 Table 10 1 Invalid parameters in the INQUIRY CDB Field Pointer gt X o o 0 SKSV Bit Bit Pointer Error Description Invalid value in EVPD field Invalid Page Code 2 Sends inquiry data to the initiator 10 6 510601 10 INQUIRY 12h If the parameters are valid the EXB 10i goes to the data in phase and sends the requested number of bytes of inquiry data to the initiator 3 Sends appropriate status to the initiator The EXB 10i goes to the status in phase and returns either Good or Check Condition status to the initiator 4 Sends the Command Complete message to the initiator After the status byte has been sent to the initiator the EXB 10i goes to the message in phase sends the Command Complete message to the initiator and goes to the bus free phase October 1992 10 7 10 INQUIRY 12h 10 5 Command Status The EXB 10i returns a status byte af
206. off Figure 4 1 shows the location of the LEDs which are numbered 1 to 10 from bottom to top The number of the LED corresponds to a cartridge in the data cartridge holder slot a hexadecimal number for an error code or a user option Figure 4 1 LEDs on the front of the EXB 10i 4 4 510601 October 1992 4 Operating the EXB 10i Cartridge Use Display Sequential Mode Only In sequential mode the LEDs are used to indicate which cartridges have been processed which have been placed in the CTS and which have not been processed The top LED corresponds to the top data cartridge the bottom LED corresponds to the bottom data cartridge and so on An LED is either on 0 flashing or off O to indicate the following e The LED is on If the LED corresponding to the cartridge is on the cartridge has been processed that is 1t has been picked from the cartridge holder placed in the CTS and returned to the cartridge holder This LED remains illuminated until the cartridge holder is replaced or the CHM loops back to cartridge 1 The LED is flashing If the LED corresponding to the cartridge is flashing the cartridge is currently being processed This LED flashes until the current cartridge is returned to its slot O The LED is off If the LED corresponding to the cartridge is off the cartridge has not yet been processed or no cartridge is present in that slot Next Cartridge Display Sequenti
207. ollows 0006h Medium Transport Element Address 000Ah Storage Element Address Invalid number of transport elements Invalid number of medium storage elements Invalid number of import export elements Invalid number of data transfer elements The lower field pointer value is returned if the Vendor Unique page is sent and the Element Address Assignment page is omitted 12 12 510601 12 MODE SELECT 15h 12 8 Command Status October 1992 The EXB 10i returns a status byte after processing the MODE SELECT command This section describes when each type of status byte might be returned Good The EXB 10i returns Good status when it is able to process the command without errors that is when the requested Mode Select parameters have been copied over the current Mode Select settings and if requested the saved Mode Select settings Bus The ENE returns Busy status when the EXB 10i is processing a command for a different initiator or when the EXB 10i is in the process of aborting a motion command See Section 7 4 for more information about the Busy condition Reservation Conflict The EXB 10i returns Reservation Conflict status when the EXB 10i is reserved by a different initiator See Chapter 20 for more information about the RESERVE command Check Condition The EXB 10i returns Check Condition status for the following reasons m The message system is enabled and a message err
208. omponents Refer to this chapter when you need to locate or identify a particular EXB 10i component m Part 2 Installing and Operating the EXB 10i includes Chapters 3 through 6 Chapter 3 describes how to install the EXB 10i how to install an EXABYTE 8mm Data Cartridge Holder in the EXB 10i how to mount a CTS in the EXB 10i enclosure if necessary how to connect the EXB 10i to the SCSI bus and how to perform the initial power on Note For information about operating and using the CTS refer to the user s manual for the appropriate CTS see Section 1 3 Chapter 4 contains information about operating the EXB 10i in random or sequential modes It also provides instructions for stopping EXB 10i operations and for resetting the EXB 10i Chapter 5 describes the preventive maintenance and repair activities that the operator or end user can perform on the EXB 10i It provides procedures for cleaning the EXB 10i s door window cartridge holder CTS and for replacing the CTS and fuse 510601 1 General Information e Chapter 6 describes the procedure for packing and shipping the EXB 10i m Part 3 Implementing SCSI Commands for the EXB 10i provides information about writing drivers for the EXB 10i This part includes Chapters 7 through 22 which contain information about how to implement SCSI commands for the EXB 10i m The appendixes contain the following information e Appendix A lists power cord requirements
209. on is complete and the EXB 10i is waiting for you to 9Ch remove the calibration tool AOh An unrecoverable hardware error occurred while the EXB 10i was checking for the presence of a cartridge in the grab base Ath No more motion commands will be accepted until you reset the EXB 10i Internal error The grab base cannot move to the start position for the eject position calibration The grab base cannot execute a move that prepares for the eject position calibration The solenoid did not eject The grab base cannot move to the start push in position There is a cartridge in the grab base C 10 510601 Appendix C EXB 10i Error Conditions Hardware Errors by LED Display Table C 5 lists hardware error conditions in hexadecimal order as they appear on the LED display The columns in this table indicate the following Top LED Display Depicts the top five LEDs on the EXB 101 s front panel O indicates that the LED is off indicates that the LED is flashing Bottom LED Display Depicts the bottom five LEDs on the EXB 101 s front panel m Error Code Displays the error code s hexadecimal number Description Corrective Action Provides a description of the error and suggests some corrective actions Table C 5 Hardware errors and corrective actions Bottom LED Description Corrective Action Display Description The CHM is attempting to place a cartridge in
210. on the cable as shown in Figure 3 9 and replace the screw Using a T 10 TORX driver bit tighten the screw to 12 inch pounds 13 8 kg cm of torque Align the two holes on the top of the upper bezel with the two studs at the top of the EXB 10i See Figure 3 8 Align the groove on the bottom of the upper bezel with the screw on the front base of the EXB 10i Using a T 10 TORX driver bit tighten the single screw at the base of the upper bezel 510601 October 1992 3 Installing the EXB 10i Replacing the Cover Important If you installed your own EXB 8200 with a DB card or an earlier version of the DS card remember that you will need to set the SCSI ID by using the SCSI ID DIP switches on the back of the CTS If this is the case do not replace the EXB 101 s cover until you set the SCSI ID as described in Section 3 6 To replace the EXB 101 s cover follow these steps 1 3 Grasping the cover by the sides position it over the EXB 10i and lower it until the cover rests on the EXB 10i s frame Make certain the flange on the rear of the cover fits inside the back of the EXB 101 s frame Using a T 10 TORX driver bit replace the three screws on the back cover Figure 3 5 shows the locations of these screws Tighten each screw to 12 inch pounds 13 8 kg cm of torque WARNING When replacing the cover check to make sure that none of the cables are caught between the EXB 10i s frame and the cover Do n
211. onof 12 10 field definitions for status reporting for 7 10 7 16 12 2 12 13 510601 useof 8 3 MODE SENSE 1Ah command description 13 1 to 13 16 errors reported 13 15 execution of 13 14 field definitions for 13 2 status reporting for 13 15 use of 8 3 MOVE MEDIUM A5h command aborted EXB 10i handling of 7 8 description 14 1 to 14 8 errors reported for 14 6 executionof 14 4 field definitions for 14 3 status reporting for 14 7 use of 8 4 N next cartridge display 4 5 No Operation 08h message 7 10 Not Ready sense key C 5 O option mode changing the option settings 4 13 determining how options are set 4 13 entering 4 12 exiting 4 14 P packing the EXB 10i 6 1 to 6 6 parity enable disable option 4 9 physical path communications SCSI 7 1 to 7 30 POSITION TO ELEMENT 2Bh command aborted EXB 10i handling of 7 8 description 15 1 to 15 6 errors reported 15 5 executionof 15 3 field definitions for 15 2 status reporting for 15 5 useof 8 4 power cord requirements power entry module 2 7 power supply 2 7 power switch 2 3 power connecting to EXB 10i 3 26 power on indicator 2 3 power on self test 3 30 to 3 31 A 1 to A 4 October 1992 Index R random mode changing to 4 9 general operations 4 2 random sequential option 4 9 READ ELEMENT STATUS B8h command description 16 1 to 16 12 field definitions for 16 2 useof 8 6 RECEIVE DIAGNOSTIC RESULTS 1Ch command description 17 1 to 17 10 e
212. or until one of the following occurs m Error information is reset by the next command execution for the same initiator Error information is reset by a Bus Device Reset message or a SCSI bus reset condition October 1992 19 7 19 REQUEST SENSE 03h 19 4 Command Execution This section describes the steps that the EXB 10i follows when executing the REQUEST SENSE command These steps occur after the EXB 10i has been selected and has successfully received the CDB and there are no conditions present that prevent the command from being executed Refer to Section 8 6 for a complete list of conditions that the EXB 10i checks while it is receiving and after it has received the CDB from the initiator Note The following steps describe the normal processing of the command through the bus free phase If the message system is enabled additional errors and processing can occur anytime the EXB 10i responds to ATN with a message out phase Refer to Section 7 1 for more information about the message system and possible error conditions The EXB 10i takes the following actions to finish processing the command 1 Checks the Allocation Length If the Allocation Length is set to 0 the EXB 10i skips to step 3 returns Good status and clears the sense data 2 Sends the sense data to the initiator The EXB 10i changes to the data in phase and sends the initiator the requested number of bytes of sense data or the number of bytes ava
213. or occurs while the EXB 10i is processing the command m The EXB 10i detects a parity error while receiving the CDB and the message system is not enabled The command is issued to an invalid LUN a A Unit Attention condition is pending for the initiator A reserved bit is set to 1 in the CDB A parameter in the CDB is invalid m The EXB 10i detects a parity error while receiving the mode select data and the message system is not enabled m A parameter in the mode select data is invalid 12 13 12 MODE SELECT 15h Note Refer to Appendix C for a complete list of errors and the sense data returned for each 12 14 510601 MODE SENSE 1Ah Y 6 5 4 1 0 0 0 1 1 Logical Unit Number RSVD Reserved Page Control Page Code Reserved Allocation Length Control October 1992 13 1 13 MODE SENSE 1Ah 13 1 About This Command The MODE SENSE command enables the EXB 10i to report its operating mode parameters to the initiator The initiator can request one or all pages of mode parameters Each page requires the following number of bytes 4 bytes for the Parameter List Header always present 20 bytes for the Element Address Assignment page 4 bytes for the Parity page 4 bytes for the Transport Geometry page 20 bytes for the Device Capabilities page 4 bytes for the Baud Rate page The initiator can change the values of these parameters using the MODE SELECT 15h comma
214. or still displays contact your vendor Description The grab base cannot complete a procedure that allows it to define zero on the vertical axis Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor Description The grab base cannot complete a procedure that allows it to define zero on the vertical axis Corrective Action Reset the EXB 10i If the error still displays contact your vendor You may need new firmware Description The grab base cannot complete a procedure that allows it to define zero on the vertical axis Corrective Action Reset the EXB 10i If the error still displays contact your vendor You may need new firmware Description The grab base cannot complete a procedure that allows it to define zero on the vertical axis Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor Description The grab base cannot move to the vertical axis position where it starts pushing against the CTS door to close it Corrective Action First check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor October 1992 Description The grab base cannot mo
215. or subsequent operations Parameter List Length Byte 04 This field allows you to indicate the length of the entire parameter list You can enter one of the following decimal values 0 No data is transferred 24 Parameter List Header and Element Address Assignment page are transferred in that order 8 Parameter List Header and Parity or Baud Rate page are transferred in that order 28 Parameter List Header Element Address Assignment page and Parity or Baud Rate page are transferred in that order 12 Parameter list header and both Vendor Unique pages are transferred 32 Header Address Assignment page Baud Rate page Parity page A value of 0 in this field is not an error 12 3 Parameter List Header Reserved All fields of the Parameter List Header are reserved The value sent for each field must be 0 October 1992 12 3 12 MODE SELECT 15h 12 4 Element Address Assignment Page Reserved Page Code Parameter List Length MSB Medium Transport Element Address MSB Number of Medium Transport Elements MSB First Storage Element Address MSB Number of Storage Elements MSB First Import Export Element Address MSB Number of Import Export Elements MSB First Data Transfer Element Address MSB Number of Data Transfer Elements 12 4 Reserved 510601 October 1992 12 MODE SELECT 15h
216. ot connect the power cord or attempt to turn the EXB 10i on unless the cover is properly installed VORSICHT SchlieBen Sie das Netzkabel nicht an und versuchen Sie nicht das EXB 10i einzuschalten wenn das Gehause nicht ordnungsgem montiert ist Using a T 10 bit replace the four screws on the sides Figure 3 6 shows the locations of these screws Tighten each screw to 12 inch pounds 13 8 kg cm of torque Once the CTS is installed in the EXB 10i you are ready to set the SCSI ID as described in Section 3 6 3 23 3 Installing the EXB 10i 3 6 Setting the SCSI IDs 3 24 EXB10I SCSI ID Switch This section describes how to set the SCSI IDs for the CTS and the cartridge handling mechanism CHM The EXB 10i contains two remote SCSI ID switches as shown in Figure 3 16 Use the switch on the left labeled MECH to set the SCSI ID for the CHM Use the switch on the right labeled DRIVE to set the SCSI ID for the enclosed CTS Note If you installed your own EXB 8200 with a DB card or an earlier version of the DS card remember that you will need to set the SCSI ID for the CTS by using the SCSI ID DIP switches on the back of the CTS not on the back of the EXB 10i To set the CTS s SCSI ID using the remote switches on the back of the EXB 10i m Press the button labeled to increase the address m Press the button labeled to decrease the address The number of the address is shown on
217. ote It may be useful to issue a READ ELEMENT STATUS command with an Allocation Length of 8 bytes Then look at the Byte Count of Report Available field in the Element Status Data to determine how many bytes to allocate for all of the Element Status Data See Section 16 3 for more information about Element Status Data 16 3 16 READ ELEMENT STATUS B8h 16 3 Element Status Data The READ ELEMENT STATUS command returns Element Status Data that consists of an eight byte header followed by one or more element status pages Each element status page consists of another eight byte header and one or more element descriptor blocks There is one descriptor block for each element and one page for each element type Medium Transport Element CHM Storage Element and Data Transfer Element CTS The eight byte header for the Element Status Data is shown below First Element Address Reported Number of Elements Available Reserved 16 4 Byte Count of Report Available entire report not including this header The fields in the Element Status header are described below First Element Address Reported Bytes 00 and 01 The First Element Address Reported field indicates the smallest element address that meets the CDB request This address will be greater than or equal to the starting address and will be the same element type as specified in the Element Type Code specified in the CDB Number of Elements Available B
218. ow this byte Medium Transport Element Address Bytes 02 and 03 This field identifies the address of the cartridge handling mechanism CHM The EXB 10i has only one CHM The default address is 11 OBh Number of Medium Transport Elements Bytes 04 and 05 This field identifies the number of CHMs within the EXB 10i The EXB 10i has only one CHM The value returned for this field is 1 and cannot be changed First Storage Element Address Bytes 06 and 07 This field identifies the starting address of the data cartridge storage locations The default starting address is 01 Number of Storage Elements Bytes 08 and 09 This field identifies the number of data cartridge storage locations within the EXB 10i The total number of data cartridge storage locations is 10 The value returned for this field is 10 and cannot be changed First Import Export Element Address Bytes 10 and 11 Since the EXB 10i has no Entry Exit Port the value returned for this field is 0 Number of Import Export Elements Bytes 12 and 13 Since the EXB 10i has no Entry Exit Port the value returned for this field is 0 and cannot be changed First Data Transfer Element Address Bytes 14 and 15 Since the EXB 10i has only one Data Transfer Element the default starting address is 0 Number of Data Transfer Elements Bytes 16 and 17 This field identifies the total number of CTSs installed in the EXB 10i Since the EXB 10i has only one CTS the value for this
219. pen The EXB 10i is reset whether by a Bus Device Reset message a SCSI bus reset a power on reset or a SEL and INCR button reset The EXB 10i firmware is upgraded The EXB 101 s front door is opened and then closed When the door is opened the EXB 10i will establish a Not Ready condition When the door is closed the EXB 10i will establish a Unit Attention condition The MODE SELECT parameters are changed by an initiator other than the one attempting to communicate with the EXB 10i The EXB 10i enters manual motion control or EXB 10i diagnostics The EXB 10i does not stack Unit Attention conditions Whenever there are two or more Unit Attention conditions the EXB 10i will report only the last one encountered Clearing the Unit Attention Condition A Unit Attention condition remains pending for each initiator until that initiator issues any command other than INQUIRY or REQUEST SENSE First Command Received After a Unit Attention Condition If INQUIRY or REQUEST SENSE is the first command received after a Unit Attention condition occurs the EXB 10i executes the command reports any pending status and preserves the Unit Attention condition 7 27 7 SCSI Physical Path Communications Next Command Received After Unit Attention is Reported If REQUEST SENSE is the next command received after the Unit Attention condition is reported with Check Condition status the sense data for the Unit Attention condition is
220. pes of hardware errors ASC Type of Error 81h Pick errors 82h Place errors 83h Home or zero position errors 84h CTS door close errors 85h Move errors 86h Miscellaneous errors 88h CTS calibration errors 89h Cartridge sensor calibration errors 8Ah Check cartridge present errors 8Bh Eject position calibration errors After a Hardware Error occurs the EXB 10i will not accept motion commands For each additional motion command the EXB 10i returns the same Hardware Error For the TEST UNIT READY 00h command the EXB 10i also responds with a Hardware Error sense key All other commands are executed normally To reset a Hardware Error perform one of the following actions Reset the EXB 10i by pressing both SEL and INCR for a minimum of two seconds or m Send a Bus Device Reset message or m Perform a SCSI bus device reset or Power cycle the EXB 10i C 6 510601 Appendix C EXB 10i Error Conditions Table C 4 lists Hardware Error 4h conditions Table C 4 ASC and ASCO values for the Hardware Error sense key 4h ASC ASCQ LED byte 12 byte 13 Display Description The grab base picked a cartridge that it could not seat in the Teh grab base The grab base returned the cartridge to its source The grab base picked a cartridge that it could not set in the grab 1Eh base The grab base returned the cartridge to its source The EXB 10i cannot detect if there is a cartridge in the grab
221. quately rated and harmonized to CENELEC publication HD 21 A 3 Appendix A Power Cord Requirements Notes A 4 510601 SCSI Cable Requirements This appendix describes the requirements for the cable needed to connect the EXB 10i to the SCSI bus October 1992 B 1 Appendix B SCSI Cable Requirements Cable Specifications To connect the EXB 10i to the SCSI bus use a cable that meets the general specifications listed in the table below Table B 1 SCSI cable requirements for the EXB 10i Cable Feature Requirement Standard Construction 50 conductors 25 twisted pairs with drain wire and shield Primary Conductors Insulated per UL Style 1589 Gauge 28 AWG minimum stranded 7 34 annealed tinned copper Insulation Polypropylene 80 C 0 010 inch nominal Shielding 80 minimum tinned copper braid over aluminum mylar foil Outer Jacket Insulated per UL Style 2919 Polyvinyl Chloride 80 C Voltage Rating 30 VAC Impedance 100 Ohms 10 1 5 MHz Attenuation Less than 6 dB per 100 feet Grounding Case to case grounding Connector B 2 50 contact Amphenol 57F series male connector 510601 Appendix B SCSI Cable Requirements Cable Length The maximum length of the SCSI cable depends on whether you are using a differential or single ended SCSI configuration as follows For differential SCSI configurations the maximum allowable bus
222. quested command since the command is not yet known The following errors can occur Invalid first message The first message received during the message out phase following selection is not the Abort message Bus Device Reset Message or Identify Message The EXB 10i immediately goes bus free Sense data is not set because a LUN has not been established Invalid Identify message The Identify message had one or more reserved bits set The EXB 10i returns Check Condition status and sets the sense data as follows Sense Key Illegal Request 5h ASC Invalid Bits in the Identify Message 3Dh ASCQ 0 Improper message sequence The initiator sends an improper message sequence for example the initiator sends an Identify message followed by a Message Parity Error message The EXB 10i returns Check Condition status and sets the sense data as follows Sense Key Aborted Command Bh ASC Message Error 43h ASCQ 0 October 1992 8 11 8 General SCSI Command Operation Incorrect initiator connection The EXB 10i is disconnected from an initiator to process a lengthy operation and that same initiator selects the EXB 10i with ATN and does not send an Abort message or Bus Device Reset message in the message out phase following selection refer to Section 7 4 for more information about an incorrect initiator connection The EXB 10i takes the following action The sense data is set as follows Sense Key Aborted Command Bh ASC Overlappe
223. r Sense Data Length Reserved The field in the Parameter List Header is described below Sense Data Length Byte 00 This field indicates the total number of bytes of parameter information to be returned to the initiator excluding this byte 13 4 510601 13 MODE SENSE 1Ah 13 4 Element Address Assignment Page Page Code Parameter List Length Medium Transport Element Address Number of Medium Transport Elements First Storage Element Address Number of Storage Elements First Import Export Element Address Number of Import Export Elements First Data Transfer Element Address Number of Data Transfer Elements October 1992 Reserved The fields in the Element Address Assignment page are described below For the element specific field definitions in the following list refer to Assigning Element Addresses and Figure 12 1 in Chapter 12 PS Page Savable Byte 00 Bit 7 This field specifies that the EXB 10i is capable of saving this page to nonvolatile memory The value returned for this field is 1 Page Code Byte 00 Bits 5 through 0 This field identifies the Element Address Assignment Parameter List The value returned for this field is 1Dh 13 MODE SENSE 1Ah 13 6 Parameter List Length Byte 01 The value returned for this field is 18 12h which indicates that there are an additional 18 bytes of element address data that foll
224. r mr 2654 eh eee ae oe ee o 16 10 17 RECEIVE DIAGNOSTIC RESULTS 1Ch 17 1 17 1 About This Command 0 a a a ee 17 2 17 2 Field Definitions s ss sea dorop roe ae eo O a a ao a a a E e e ee 17 2 17 3 Supported Diagnostics Page 00h 22 6a e944 iaa a 17 3 17 4 CTS Calibration Page 80h lt lt lt ex errors 17 4 17 5 Cartridge sensor Calibration Page SIR s se sans s awis me a ans uos OR 17 6 17 6 Eject Position Calibration Page 82h 2 04 si sio io AA 17 7 17 7 Command Execution 17 8 17 8 Command Status sore o es a rar aua E e e a a a a a ee 17 9 18 RELEASE 17h 18 1 18 1 About This Command 18 2 18 2 Field Definitions 0 00000 ee ee 18 2 18 3 Command Execution 18 3 184 Command Status isis a we Hes a ad a a 18 4 October 1992 xiii 19 REQUEST SENSE 03h 19 1 19 1 About This Command 19 2 19 2 Field Definitions 19 3 19 3 EXB 101 Sense Data op soeces Sas ada e eS 19 3 Priorities OF SENSE Bytes ec osa pa caseus Oe OR E PORE 19 7 Sense byte Pending Status ae su Se Se Re ELS 4 4 we Se Ree 19 7 19 4 Command Execution 19 8 19 5 Command Status se s sss e194 4 usas ba ERR eee ee ORES 19 9 20 RESERVE 16h 20 1 20 1 About ThisCommand 0 0 00 eee ee ee 20 2 20 2 Field Definitions 20 3 20 9 Element List Descriptor ses error oras rr A 20 4 20 4 Command Execution 20 5 20 5 Command Status s
225. r If you replace the cartridge holder the EXB 10i will resume operation with cartridge 1 Turn on the loop option Description The EXB 10i will not execute SCSI motion commands Corrective action Exit Manual Motion Control by pressing Q from the Manual Motion Control screen in Diagnostics or exit Diagnostics by pressing Q from the Diagnostics screen Description The CHM is attempting to move to the park position at the base of the EXB 10i but cannot accomplish this move because there is a cartridge in the grab base This error occurs in sequential mode after a reset Corrective action Carefully remove the cartridge from the grab base and reset the EXB 10i by simultaneously pressing the INCR and SEL buttons for two seconds Description The CHM is moving to the home position which occurs periodically to prevent the CHM from losing position This status message may also indicate that the EXB 10i is performing a CTS calibration a cartridge sensor calibration or a eject position calibration Corrective Action None The EXB 10i will resume normal operation Description The firmware load is not complete or The EXB 10i firmware may be corrupted Corrective Action If there is no message in the message box of the ROM Console Main Menu transfer to flash EPROM by selecting F If the firmware is corrupted contact your vendor to receive new firmware C 12 510601 Top Bottom LED LED Display
226. r Detected Error 05h message The EXB 10i responds to the Initiator Detected Error message by immediately going to the message in phase and sending a Restore Pointers 03h message The initiator must restore the status pointer to the start of the status byte The EXB 10i then goes to the status in phase and resends the status byte The EXB 10i will resend the status byte as many times as requested by the initiator 510601 7 SCSI Physical Path Communications 7 3 Logical Unit Number The EXB 10i supports only a logical unit number LUN of 0 The initiator can select the desired LUN in one of two ways m By sending an Identify message with the LUN field set to 0 m By sending a CDB with the LUN field set to 0 If the EXB 10i is selected with ATN and receives an Identify message during the first message out phase it determines the LUN from the Identify message and ignores the LUN in the CDB If an Identify message is not received after selection the LUN in the CDB is used Selection of Invalid Logical Unit Number If the initiator issues a command to an LUN other than 0 then an invalid LUN has been selected The EXB 10i rejects commands issued to an invalid LUN as follows m If an INQUIRY 12h command is sent the inquiry data is returned and the command ends with Good status The Peripheral Qualifier is set to indicate that the EXB 10i is not capable of supporting a physical device on the requested LUN and the Peripheral Dev
227. r a particular element type will be numbered consecutively with the first address for that type being the starting element address that you specified For the starting element addresses specify any 16 bit binary number ensuring that the number you assign for each starting element address will not cause any element addresses to overlap You can have gaps between addresses for elements of different types for example if the addresses for the data cartridge slots end at 216 the CTS address can start at 300 even if no elements are assigned the addresses 217 through 299 Since the EXB 10i supports the saved page function the element address values sent to the EXB 10i can be saved These values are used to configure the EXB 10i upon power up a SCSI bus reset or receipt of a Bus Device Reset message 510601 12 MODE SELECT 15h Cartridge Slots CHM on CTS lo Figure 12 1 Default element address assignments October 1992 12 7 12 MODE SELECT 15h 12 5 Baud Rate Page Reserved Page Code Parameter List Length MSB Baud Rate The fields in the baud rate page are described below Page Code Byte 00 Bits 5 through 0 This field identifies the baud rate parameter list The value of this field must be 20h Parameter List Length Byte 01 This field indicates the length of the baud rate parameter list The Parameter List Length is 02h which indicates that there are two additional bytes
228. r condition when the Except bit is set to 1 See Table 16 2 Additional Sense Code Qualifier Byte 05 This field together with the Additional Sense Code field denotes a specific error condition when the Except bit is set to 1 The ASC and ASCO fields in the element descriptors can contain one of the values shown in Table 16 2 Table 16 2 Additional Sense Code bytes when the Except bit is set to 1 ASC ASCQ Description Action 90h 02 Cartridge holder is Install a cartridge holder missing 90h 03 Status is The EXB 10i was powered on questionable a bus device reset occurred or the EXB 10i door was opened The data cartridge inventory may have been violated Source Valid SValid Byte 09 Bit 7 The Source Valid bit is set to 1 when the Source Storage Element Address field is valid or set to 0 when it is not valid October 1992 16 7 16 READ ELEMENT STATUS B8h Invert Byte 09 Bit 6 This field is always 0 Source Storage Element Address Bytes 10 and 11 The Source Storage Element Address field indicates the address of the last storage element that the cartridge was moved from This field is only valid if the SValid bit is set to 1 Storage Element Descriptor The element descriptor block for a storage element is shown below Element Address Access Reserved Additional Sense Code Additional Sense Code Qualifier Reserved Reserved Source Storage Element Add
229. r occurs while the EXB 10i is processing the command m The EXB 10i detects a parity error while receiving the CDB and the message system is not enabled 13 15 13 MODE SENSE 1Ah m The command is issued to an invalid LUN a A Unit Attention condition is pending for the initiator m A reserved bit is set to 1 in the CDB A parameter in the CDB is invalid Note Refer to Appendix C for a complete list of errors and the sense data returned for each 13 16 510601 14 MOVE MEDIUM A5h 6 2 0 1 Logical Unit Number Reserved MSB Transport Element Address MSB Source Address MSB Destination Address Reserved Reserved Invert Reserved October 1992 14 1 14 MOVE MEDIUM A5h 14 1 About This Command 14 2 The MOVE MEDIUM command requests that the CHM move a data cartridge from a specific element location address to another specific element location address If the destination is the CTS the EXB 10i will also close the CTS door For the default element addresses refer to Figure 8 1 in Chapter 8 The Mode Sense data contains a matrix with the valid source element and destination element combinations for the MOVE MEDIUM command The MOVE MEDIUM command can be used to move a cartridge from a slot in the data cartridge holder or CTS to the CHM To pick a cartridge specify the slot or CTS as the source and the CHM as the destination To
230. r reset the SCSI bus If the CTS has been used frequently in the past the latch on the door might be worn out Try closing the CTS door manually If it does not close the CTS door latch may be broken If this is the case you must replace the CTS Instructions for replacing the CTS are in Chapter 5 Description The grab base could not close the CTS door after several retries and the grab base did not stall against the CTS door as expected Corrective Action Calibrate the CTS position as described in Chapter 3 If this does not solve the problem contact your vendor Description The grab base cannot make one of the moves necessary to close the CTS door Corrective Action Check to see if something is blocking the grab base or the CTS door If there is remove the obstruction and reset the EXB 10i If this error still displays contact your vendor C 18 510601 Top LED Display Bottom LED Display Appendix C EXB 10i Error Conditions Description Corrective Action O O O O O Description The grab base cannot make one of the moves necessary to close the CTS door Corrective Action Check to see if something is blocking the grab base or the CTS door If there is remove the obstruction and reset the EXB 10i If the error still displays there may be a problem with the CTS Instructions for replacing the CTS are in Chapter 5 Description The grab base cannot make one of the moves necessar
231. rated sense data describing the cause of the unexpected bus free You should execute a REQUEST SENSE command after an unexpected bus free to obtain any pending information Table 8 2 contains a summary of the status bytes used by the EXB 10i Expanded descriptions of each status byte follow the table Section 8 6 contains descriptions of the conditions that are checked and the order in which they are checked to enable the EXB 10i to determine status after receiving a command Table 8 2 Status byte descriptions Hex Value Description 00h Good Indicates that the EXB 10i successfully completed the operation specified by the CDB 02h Check Condition Indicates that an error exception or abnormal condition has caused sense information to be set 08h Busy Indicates that the EXB 10i is unable to accept a command from an initiator 18h Reservation Conflict Indicates that the elements identified in the command are reserved by another initiator 510601 8 General SCSI Command Operation Status Descriptions Good The EXB 10i returns Good status to indicate that the operation specified by the CDB completed normally Check Condition The EXB 10i returns Check Condition status to indicate that an error occurred while it was executing a command and sense data has been generated The EXB 10i reports Check Condition status as soon as it detects the error unless the EXB 10i is disconnected from the SCSI bus If the EXB 10i is disconnected
232. reful not to disturb any of the cables in the EXB 10i CAUTION Removing the cover exposes the EXB 101 s cartridge handling mechanism CHM and the printed circuit boards cards To avoid damaging the EXB 10i do not touch the CHM or the components and connectors on the cards when installing the CTS 3 13 3 Installing the EXB 10i Removing the Upper Bezel After removing the cover you need to remove the upper bezel which includes the frame that holds the door and the door itself To remove the upper bezel follow these steps 1 Using a T 10 TORX driver bit loosen but do not remove the single screw located on the inside lip of the door threshold which is at the base of the upper bezel The screw is shown in Figure 3 8 Figure 3 8 Removing the upper bezel cables shown disconnected 3 14 510601 October 1992 3 Installing the EXB 10i 2 Once the screw is loosened slide the bottom of the upper bezel away from the screw toward you if you are facing the front of the EXB 10i CAUTION The upper bezel is attached to the EXB 10i chassis by a flat flex cable and in some units the bezel is also attached to the EXB 10i by a ground cable at the bottom See Figure 3 9 Be careful not to damage these cables when you slide the bezel off of the chassis Do not let the bezel hang from the flat flex cable Lift the upper bezel off the two studs at the top of the EXB 10i as shown in Figure 3 8 Figure 3
233. rent protection is provided by a 1 6 amp 250 volt slow blow fuse that is located in the EXB 101 s external fuse drawer The fuse drawer also contains a spare fuse SCSI ID Switches The remote SCSI ID switches are located beneath the fan on the back of the EXB 10i These switches enable you to set the SCSI address of the installed CTS and for the EXB 10i s CHM October 1992 2 7 2 EXB 10i Major Components Notes 2 8 510601 Part 2 Installing and Operating the EXB 101 Installing the EXB 10 This chapter provides instructions for installing the EXB 10i Installation includes the steps in Table 3 1 which is also a checklist Table 3 1 Steps for installing the EXB 10i Procedure Section Move grab base from shipping position Section 3 2 Install cartridges in cartridge holder Section 3 3 Install cartridge holder in EXB 10i Section 3 4 Install CTS if necessary Section 3 5 Set the SCSI ID Section 3 6 Connect EXB 10i to a SCSI bus Section 3 7 Connect power to EXB 10i Section 3 8 If you installed the CTS yourself step 4 Section 3 9 calibrate the CTS position Power on EXB 10i Section 3 10 October 1992 3 1 3 Installing the EXB 10i 3 1 Requirements To ensure proper installation of the EXB 10i make certain you have all the equipment in the list of requirements below and carefully follow all the instructions that pertain to your installation situation
234. ress 16 8 Reserved 510601 October 1992 16 READ ELEMENT STATUS B8h The fields in this descriptor block are described below Element Address Bytes 00 and 01 The Element Address field indicates the address of this storage area Access Byte 02 Bit 03 The Access bit indicates if the medium transport element CHM can access this storage element Since the CHM can access all storage elements this bit is always 1 Except Byte 02 Bit 02 The Except bit is set to 0 when the CHM is in a normal state or set to 1 when it is in an abnormal state Refer to Table 16 2 for more information about the abnormal state when the Except bit is set to 1 Full Byte 01 Bit 00 The Full bit is set to 1 when this storage location contains a cartridge or set to 0 when it is empty This field is valid only if the Except bit is set to 0 Additional Sense Code Byte 04 This field together with the Additional Sense Code Qualifier field denotes a specific error condition when the Except bit is set to 1 See Table 16 2 Additional Sense Code Qualifier Byte 05 This field together with the Additional Sense Code field denotes a specific error condition when the Except bit is set to 1 See Table 16 2 SValid Byte 09 Bit 07 The Source Valid SValid bit is set to 1 when the source storage element address field is valid or set to 0 when the field is not valid Invert Byte 9 Bit 6 This bit is not used and is always
235. rmation about the pick and place cycle When you have completed step 6 the EXB 10i is ready for operation as described in Chapter 4 510601 3 Installing the EXB 10i Failure to Power On If the EXB 10i does not power on as described check the following m If the power on indicator is not illuminated check the following e Is the power switch in the on position e Is the power cord inserted correctly e Is the fuse good See Chapter 5 m If the power on indicator is illuminated check the following e Is the data cartridge holder correctly installed on the mounting plate e Is the EXB 10i door closed e Is there an error code flashing on the LEDs See Appendix C October 1992 3 33 3 Installing the EXB 10i Notes 3 34 510601 Operating the EXB 101 October 1992 Because the EXB 101 s cartridge handling mechanism CHM is designed to load and unload data cartridges automatically without intervention operating the EXB 10i is very simple This chapter explains how the EXB 10i operates in sequential and random modes and gives step by step instructions for controlling EXB 10i operation in sequential mode Refer to Part 3 of this manual for more information about random mode operation 4 1 4 Operating the EXB 10i 4 1 How the EXB 10i Operates When the EXB 10i is first powered on it is in random mode by default You can leave the EXB 10i in random mode or change it to sequential mode These two
236. rns either Good Check Condition Busy or Reservation Conflict status to the initiator 4 Sends the Command Complete message to the initiator After sending the status in byte to the initiator the EXB 10i changes to the message in phase sends the Command Complete message to the initiator and then goes to the bus free phase 13 14 510601 13 MODE SENSE 1Ah Table 13 1 Invalid parameters in the MODE SENSE CDB gt x o o o 0 SKSV Bit Bit Pointer Field Pointer Error Description 0001h Invalid value in DBD field 0002h Invalid Page Code 13 10 Command Status October 1992 The EXB 10i returns a status byte after processing the MODE SENSE command This section describes when each type of status byte might be returned Good The EXB 10i returns Good status when it is able to process the command without errors Bus The nii returns Busy status when the EXB 10i is processing a command for a different initiator or when the EXB 10i is in the process of aborting a motion command See Section 7 4 for more information about the Busy condition Reservation Conflict The EXB 10i returns Reservation Conflict status when the EXB 10i is reserved by a different initiator See Chapter 20 for more information about the RESERVE command Check Condition The EXB 10i returns Check Condition status for the following reasons m The message system is enabled and a message erro
237. robotic assembly that moves vertically and horizontally to load and unload data cartridges from the data cartridge holder and from the CTS The CHM contains the grab base which grips the cartridge two motors cables and the horizontal and vertical lead screws the axes on which the grab base moves A slot at the top of the CHM s vertical lead screw enables you use a flat blade screwdriver to manually raise and lower the CHM if needed Door Switch Plate The door switch plate is located at the base of the EXB 10i just in front of the CTS door The EXB 10i uses this door switch plate to sense whether the CTS door is open Cartridge Tape Subsystem CTS The EXB 10i can accommodate either an EXB 8200 an EXB 82005X an EXB 8500 or an EXB 8500c 8mm Cartridge Tape Subsystem CTS These CTSs are integrated tape drives controllers that use helical scan technology to provide extremely high data storage capacities on standard 8mm data cartridges A single data cartridge can store up to 2 5 GBytes when recorded on the EXB 8200 or EXB 8200SX up to 5 0 GBytes when recorded on the EXB 8500 or up to 10 0 GBytes when recorded on the EXB 8500c assuming an average 2 1 data compression ratio Cartridge Holder The EXB 10i is designed to accommodate a single EXABYTE 8mm Data Cartridge Holder which provides storage for up to ten EXATAPE or equivalent 8mm data cartridges October 1992 25 2 EXB 10i Major Components 2 3 Rear Components
238. rocessing of a command is affected by the following m Whether the message system is activated when the EXB 10i is selected The command and parameters sent This section contains a list of each condition checked and the effect on each command The conditions are listed in the order in which they are checked If the EXB 10i is able to successfully read the CDB and none of the listed conditions are present or if they are present but do not affect the requested command any additional conditions specific to the command are checked For information about the conditions and errors specific to a SCSI command refer to the section called Command Execution in the chapter for that command The conditions listed in this section include only the processing of the command through the command phase If the message system is enabled additional errors can occur anytime the EXB 10i responds to ATN with a message out phase For more information about the message system and possible error conditions see Section 7 1 510601 8 General SCSI Command Operation 1 Error Conditions Before the CDB Is Received Did an error occur before the EXB 10i started to receive the CDB Note This can only occur when the message system is enabled and an error is detected during or after the first message out phase following selection NO Goto condition 2 YES The EXB 101 s handling of errors during the first message out phase is independent of the re
239. rom a host to move data cartridges in the EXB 10i in a specified order In the sequential mode of operation data cartridges in the data cartridge holder are loaded and unloaded in a sequential order Storage Capacity The EXB 10i offers up to 25 GBytes of tape storage with the EXB 8200 or EXB 8200SX installed up to 50 GBytes with the EXB 8500 or EXB 8500c installed or up to 100 GBytes with an EXB 8500c installed assuming an average 2 1 data compression ratio Interface Characteristics The EXB 10i and the enclosed CTS both include SCSI controllers They each occupy one SCSI ID on the SCSI bus which means that the host considers the cartridge handling mechanism CHM in the EXB 10i to be one target and the CTS in the EXB 10i to be a separate target Both the EXB 10i and the CTS are available in single ended and differential SCSI configurations 1 General Information 1 2 Using This Manual This manual provides detailed instructions for installing operating and maintaining the EXB 10i It also provides information for developing the software to support applications for the EXB 10i Manual Organization This manual contains the following information Part 1 Introduction to the EXB 10i includes Chapters 1 and 2 Chapter 1 describes how to use this manual provides a list of related publications and contains information about product standards Chapter 2 provides illustrations and descriptions of major EXB 10i c
240. rrors reported for 17 10 executionof 17 8 field definitions for 17 2 status reporting for 17 9 useof 8 6 RELEASE 17h command description 18 1 to 18 6 executionof 18 3 field definitions for 18 2 status reporting for 18 4 useof 8 5 REQUEST SENSE 03h command description 19 1 to 19 10 executionof 19 8 field definitions for 19 3 status reporting for 19 9 useof 8 5 Reservation Conflict 18h status 8 9 RESERVE 16h command description 20 1 to 20 10 executionof 20 5 status reporting for 20 8 useof 8 5 resetting the EXB 10 4 19 restart option 4 7 Restore Pointers 03h message 7 5 S SCSI interface operation messages 7 2 8 1 to 8 24 physical path communications 7 1 to 7 30 SCSI bus connecting EXB 10i to 3 25 terminators for 3 2 type of cable for B 2 SCSI cable requirements B 1 to B 4 SCSI commands format errors 8 8 formatof 8 7 Index general use 8 3 to 8 6 status returned 8 8 supported by the EXB 10i 8 2 SCSI connectors 2 7 SCSI ID setting with DIP switches 3 18 setting with remote switch 3 24 SCSI ID switch 2 7 SEL button 2 3 used in option mode 4 12 used in select mode 4 15 SEND DIAGNOSTIC 1Dh command description 21 1 to 21 8 errors reported for 21 8 execution of 21 6 field definitions 21 2 parameter list for 21 4 use of 8 6 sense key descriptions 19 4 C 2 sequential mode changing to 4 9 general operations 4 2 to 4 3 serviceable parts for EXB 10i 5 9 shipping the EXB 10i 6 1 to 6 6
241. rtical position of the CTS Upper Bound of CTS Horizontal Position Bytes 16 through 19 This field defines an upper bound of possible CTS horizontal positions Lower Bound of the CTS Horizontal Position Bytes 20 through 23 This field defines a lower bound of possible CTS horizontal positions Calibrated CTS Horizontal Position Bytes 24 through 27 This field defines the calibrated horizontal position of the CTS 17 5 17 RECEIVE DIAGNOSTIC RESULTS 1Ch 17 5 Cartridge Sensor Calibration Page 81h Page Code 81h Reserved Page Length 12 Upper bound for cartridge sensor position Lower bound for cartridge sensor position 17 6 Calibrated cartridge sensor position The Cartridge Sensor Calibration page is returned if a cartridge sensor calibration was requested in the previous SEND DIAGNOSTIC command The EXB 10i returns 16 bytes during a RECEIVE DIAGNOSTIC RESULTS command following a SEND DIAGNOSTIC command with a page code of 81h The fields in the Cartridge Sensor Calibration page are described below Page Length Bytes 02 and 03 The Page Length field specifies the length in bytes of the Cartridge Sensor Calibration page This page has a page length field of 12 Upper Bound for Cartridge Sensor Position Bytes 04 through 07 This field defines an upper bound of possible cartridge sensor positions 510601 17 RECEIVE DIAGNOSTIC RESULTS 1Ch Lower Bound for Cartridge
242. rtz Light emitting diode The 10 illuminated indicators on the front of the EXB 10i Also referred to as cartridge use indicators Logical unit number Megabyte 1 024 Kbytes National Electrical Manufacturers Association Glossary nexus nonvolatile RAM power on self test reconnect Reserved SCSI SCSI ID SEL SKSV target UL VAC VDC VDE A relationship that begins with the establishment of an initial connection and ends with the completion of the I O process A form of random access memory that continues to exist when the power is turned off The process that occurs when the EXB 10i and CTS perform their initial power on diagnostics The function that occurs when the target resumes communication with an initiator to continue an operation after a disconnect SCSI command fields for the EXB 10i that have been set aside for future standardization Abbreviated RSVD Small Computer System Interface An octal representation of the unique address 0 7 assigned to a SCI device Select bus condition Sense Key Specific Valid Corresponds to byte 2 of the sense data returned in response to the REQUEST SENSE command A bus device usually a controller that performs an operation requested by an initiator The EXB 10i is a target Underwriters Laboratories Volts AC Volts DC German Association of Electrotechnical Engineers Verband Deutscher Elektrotechniker 510601 Index 960
243. s O If the LED is off the option corresponding to the LED is off e Ifthe LED is on but not flashing the option corresponding to the LED is on If the LED is flashing the option corresponding to the LED can be changed from its current setting Check to see if LED 3 is on Figure 3 17 shows the location of LED 3 which is used to set the CTS calibrate option If it is on skip to step 4 If it is not on go to step 3 Figure 3 17 LEDs on the front of the EXB 10i for EXB 10i code 2 6 and above 3 28 510601 3 Installing the EXB 10i 3 To turn on the CTS calibrate option press the INCR button twice until LED 3 flashes Once LED 3 is flashing press the SEL button once LED 3 remains illuminated and LED 4 will flash 4 Exit option mode by pressing SEL and INCR simultaneously When you exit option mode the CTS calibration begins The following steps outline the calibration process The grab base descends to the CTS moves inward until it touches the CTS door and then retracts This move locates the horizontal position of the CTS Note Before the EXB 10i begins calibration it checks to make sure the CTS door is open and that the grab base is empty If the door is closed the EXB 10i returns an 81h error code LEDs 1 and 9 numbered from bottom to top If there is a cartridge in the grab base the EXB 10i returns an 82h error code LEDs 2 and 9 numbered from bottom to top To correct either error make certain
244. s Reservation Conflict status when the EXB 10i is reserved by a different initiator See Chapter 20 for more information about the RESERVE command Check Condition The EXB 10i returns Check Condition status for the following reasons m The message system is enabled and a message error occurs while the EXB 10i is processing the command m The EXB 10i detects a parity error while receiving the CDB or the send volume tag data and the message system is not enabled The command is issued to an invalid LUN A Unit Attention condition is pending for the initiator m The EXB 10i has experienced an unrecoverable hardware error A reserved bit is set to 1 in the CDB m The EXB 10i cannot accept motion commands because either the EXB 10i is in manual motion control or the EXB 10i is executing diagnostics through the RS 232 interface Note Refer to Appendix C for a complete list of errors and the sense data returned for each 22 3 22 TEST UNIT READY 00h Notes 22 4 510601 Appendixes Power Cord Requirements This appendix describes the requirements for the power cord to be used with the EXB 10i October 1992 A 1 Appendix A Power Cord Requirements Power Cord Description The EXB 10i is shipped with a seven foot 2 1 meter three conductor AC power cord for 120 volt use in the United States and Canada The power cord has a molded NEMA 5 15P male connector on one end and a molded IEC type CEE 22 female co
245. s the CTS but there is a cartridge in the grab base and the CTS door is closed This move is not allowed because if the CTS door opens while the grab base is positioned at the CTS with a cartridge the cartridge will be knocked out of the grab base There were invalid bits in the Identify message Either one of the reserved bits was nonzero or the LUNTAR field was nonzero C 26 510601 ASCQ byte 13 Appendix C EXB 10i Error Conditions Description October 1992 81h There was a cartridge in the grab base when the EXB 10i received a SEND DIAGNOSTIC command with one of the following tests specified self test CTS calibration test cartridge sensor calibration test eject calibration test or the pick and place test The CTS door was closed and the initiator sent a SEND DIAGNOSTIC command with the Verify Pick and Place Functionality page There was no cartridge in the data cartridge holder and the initiator sent a SEND DIAGNOSTIC command with the CTS calibration page There was a cartridge in the CTS and the initiator sent a SEND DIAGNOSTIC command with the CTS calibration page The CHM picked a cartridge that was not correctly seated The CHM returned the cartridge to its original slot C 27 Appendix C EXB 10i Error Conditions C 28 Unit Attention Sense Key 6h The EXB 10i returns a sense key of Unit Attention 6h in the following situations After a Bus Device Re
246. se by asserting the Attention condition before the SCSI bus condition of SEL true and BSY false 7 2 510601 October 1992 Note 7 SCSI Physical Path Communications The EXB 10i indicates its ability to accommodate more messages by responding to the Attention condition with the message out phase after going through the selection phase If the initiator supports messages other than Command Complete the first message sent by the initiator after the selection phase is the Identify message This allows the physical path to be established for the LUN logical unit number specified by the initiator an initiator target LUN nexus or _T_L nexus Only one LUN is identified for any one selection sequence A second Identify message with a different LUN must not be issued until the current I O process completes Under some exceptional conditions an initiator may send the Abort message or the Bus Device Reset message instead of the Identify message as the first message If any message besides one of these three messages is received as the first message after selection the EXB 10i takes no action in response to the message and goes immediately to the bus free phase Sense data is not set because the LUN has not been established If the disconnect privilege is enabled in the Identify message the EXB 10i may send the Disconnect message to the initiator The disconnect privilege is determined from bit 6 in the Identify message To re establ
247. set message a SCSI bus reset or a power on reset m After the EXB 10i firmware is upgraded to a new revision m After the EXB 10i door is opened and then closed m When the EXB 10i is operating in manual motion control or performing diagnostics through the maintenance port m When the mode parameters are changed by another initiator through a MODE SELECT command Note If mode parameters have been changed the initiator should issue a MODE SENSE 1Ah command to determine what the new mode parameters are The EXB 10i does not stack Unit Attention conditions Whenever there are two or more Unit Attention conditions the EXB 10i reports only the last one encountered A Unit Attention condition remains in effect for a particular initiator until that initiator clears it If the EXB 10i has not returned Check Condition status for the Unit Attention condition generated the EXB 10i responds in the following manner m Ifa REQUEST SENSE command is received the EXB 10i reports a sense key of Unit Attention The ASC and ASCO bytes provide additional information about the condition Then the EXB 10i clears the Unit Attention condition m If an INQUIRY command is received the EXB 10i performs the INQUIRY command but does not clear the Unit Attention condition If any other command is received the EXB 10i returns Check Condition status for the command The command is not performed and the Unit Attention condition is not cleared
248. ss Replacing the Upper Bezel a soze saigos SE eek SO RHREEE OH EERE Replacing the COVER lt i s c saora mieia saa Se SR SRR E noe Se 3 6 Setting the SCESTIDS a ero eo alee ade RO ERE Ee BOS AS 37 Connecting the CTS to the SCSI Bus an cac c eR ee dec heks cu wee gs 3 8 Connecting Power to the EXB 101 2 ci eek ee ee ee ee 5ss 3 9 Calibrating the CIS Position ss soda olen SON So Rea PERE E HORSES a 3 10 Powering on the BABI sirope Re REA ORES ER ERPS PHS If the EXB 10i Has Been Stored for Less Than Six Months Failure to Power On 2 lt lt lt 3 4 3 36 34648 css a Ss October 1992 4 Operating the EXB 10i 4 1 4 1 How the EXB 10i Operates 24 oe de taaan ea Bole ee oe ee 4 2 How the EXB 10i Operates in Random Mode 4 2 How the EXB 10i Operates in Sequential Mode 4 3 4 2 Reading the EXB 10i s LEDS o s es tne See edt ee eee ee be ewe wees 4 4 Cartridge Use Display Sequential Mode Only 4 5 Next Cartridge Display Sequential Mode Only 4 5 Error Code Display assa 3 ed to ke ee eee bee RA 4 5 User Options Displays a e ened te CEOS el E e ES 4 6 4 3 Processing Cartridges in Sequential Mode cs 2 jn 4 4 Hee eR ees 4 11 Using Options to Control Cartridge Processing 4 11 Specifying the Next Cartridge Sequential Mode 4 15 44 Stopping EXB L0 Op ration s i acair e dese Be CRA eee ee a 4 17 4 5 Replacing t
249. ss to finish a requested abort Note For more information about the Busy condition see Section 7 4 NO Go to condition 7 YES See Table 8 5 for command handling Table 8 5 Command handling when the EXB 10i is disconnected Returns Busy status XIX X X X X X xX Continues processing the command October 1992 8 19 8 General SCSI Command Operation 7 Pending Unit Attention Condition Is there a pending Unit Attention condition for the EXB 10i Note For more information about the Unit Attention condition see Section 7 6 NO Go to condition 8 YES One of the following has occurred Power on reset SCSI bus reset SCSI Bus Device Reset Message MODE SELECT parameters changed EXB 10i door opened and then closed New firmware has been loaded Manual motion control or Diagnostics See Table 8 6 for command handling Table 8 6 Command handling when a Unit Attention condition is pending When a Unit Attention condition is pending the EXB 10i takes the following actions for the indicated command RECEIVE DIAGNOSTIC RESULTS RELEASE YN FP lt E n E Lu W W Lu N 4 INQUIRY LOG SENSE MODE SELECT MODE SENSE MOVE MEDIUM POSITION TO ELEMENT READ ELEMENT STATUS REQUEST SENSE RESERVE SEND DIAGNOSTIC TEST UNIT READY 1 Sets sense data for the pending Unit Attention 2 Clears the pending Unit Attention 3 Returns Check Condition status
250. ted Command Sense Key Bh 2 0540 4nd bende Goda a C 30 Appendix D Calibrating the Cartridge Sensor and Eject Position D 1 Using the Calibration BIOCK o ae as ts RE Oe ee VAS ee EER A D 2 Performing ine Calorati n y ie 24 hb damad PO eRe DD PERE S ROHS ES D 2 Glossary G 1 Index 1 October 1992 XV Figures General Information Figure 1 1 EXB 10i Cartridge Handling Subsystem oo o 1 2 EXB 10i Major Components Figure 2 1 Front panel components of the EXB 10i 2 2 Figure 2 2 Inside components of the EXB 101 2 4 Figure 2 3 Back panel components of the EXB 10i 2 6 Installing the EXB 10i Figure 3 1 Packing piece secured on the grab base o o 3 4 Figure 3 2 Turning the lead screw pulley o ooo ooo 3 5 Figure 3 3 Inserting a data cartridge in the data cartridge holder 3 6 Figure 3 4 Mounting plate for the data cartridge holder 3 8 Figure 3 5 Cover screws at the back of the EXB 10i o o 3 11 Figure 3 6 Cover screws at the base of the EXB 10i 3 12 Figure 3 7 Spreading the cover s sides away from the bezel 3 13 Figure 3 8 Removing the upper bezel cables shown disconnected 3 14 Figure 3 9 Detaching the cables from the upper bezel 3 15 Figure 3 10 Moving the door switch plate o o o ooo o o 3 16 Figure
251. tempts to reconnect to the initiator after the motions are complete After the EXB 10i successfully reconnects to the initiator it goes to the message in phase and sends the Identify message to re establish the connection Sends appropriate status to the initiator The EXB 10i goes to the status in phase and returns either Good Check Condition Busy or Reservation Conflict status to the initiator Sends the Command Complete message to the initiator After the status in byte has been accepted by the initiator the EXB 10i goes to the message in phase sends the Command Complete message to the initiator and then goes to the bus free phase 14 MOVE MEDIUM A5h Table 14 1 Invalid parameters in the MOVE MEDIUM CDB Sense Key SKSV Bit Bit Pointer Field Pointer Error Description Could not seat the cartridge in the grab base Returned source cartridge to original slot Invalid Invert field Invalid transport element address Invalid source element address Invalid destination element address The grab base contained a cartridge before the move Destination element occupied Source element empty Source CTS door closed Destination CTS door closed 14 6 510601 14 MOVE MEDIUM A5h 14 4 Command Status October 1992 The EXB 10i returns a status byte after processing the MOVE MEDIUM command This section describes when each type of status b
252. ter processing the INQUIRY command This section describes when each type of status byte might be returned Good The EXB 10i returns Good status when it is able to process the command without errors Busy The EXB 10i never returns Busy status for the INQUIRY command Reservation Conflict The EXB 10i never returns Reservation Conflict status for the INQUIRY command Check Condition The EXB 10i returns Check Condition status for the following reasons m The message system is enabled and a message error occurs while the EXB 10i is processing the command m The EXB 10i detects a parity error while receiving the CDB and the message system is not enabled m A reserved bit is set to 1 in the CDB m The page code field or the EVPD bit is invalid in the CDB Note Refer to Appendix C for a complete list of errors and the sense data returned for each 10 8 510601 LOG SENSE 4Dh 7 6 3 0 1 1 Logical Unit Number Reserved PC Page Code Reserved Parameter Pointer Allocation Length Control October 1992 11 1 11 LOG SENSE 4Dh 11 1 About This Command The LOG SENSE command provides a means for the initiator to retrieve statistical and state information that the EXB 10i maintains By using this command you can receive the following information EXB 10i statistics for example retry counts number of picks and places m History of recent EXB 10i events
253. th field allows you to determine the maximum amount of data to be transferred from the EXB 10i to the initiator If you specify an allocation length that is greater than the bytes available the EXB 10i will terminate the Data In phase when all bytes have been transferred 11 3 EXB 10i Log Parameters This section describes the log page structure and the log pages that the EXB 10i supports The LOG SENSE command returns a single log page specified in the page code field of the CDB Each log page begins with a four byte page header bytes 00 through 03 followed by zero or more variable length log parameters defined for that page The log page format is defined in the following table Reserved Page Code Reserved MSB Page Length n 3 Log Parameter First Length x Log Parameter Last Length y The fields on this log page are described below Page Code Byte 00 Bits 0 through 5 The Page Code field identifies which log page is being transferred This field contains one of the codes described in the Table 11 1 Page Length Bytes 02 and 03 The Page Length field specifies the length in bytes of the log parameters 510601 11 LOG SENSE 4Dh Note The page length is equal to n 3 where n is the total page length minus the four byte header For example if the page contained 20 bytes n 19 the page length would be 16 n 3 Log Parameters First and Last Bytes 04 x 3 through Bytes
254. the EXB 10i for 120 volt use in the United States and Canada If you are planning to use an input voltage other than 120 volts AC or if you will be using the EXB 10i outside of the United States or Canada you must supply your own power cord For information about the requirements for the power cord refer to Appendix A To connect power to the EXB 10i follow these steps 1 3 26 Make sure that the power switch on the front of the EXB 10i is off Figure 3 17 shows the location of the power switch Connect the female end of the power cord to the power connector on the back of the EXB 10i The AC power connector is shown in Figure 3 16 To prevent possible power loss to the EXB 10i make sure that the power cord is fully connected to the power connector Plug the male end of the power cord into the power source Do not turn on the power switch yet If you installed the CTS yourself refer to Section 3 9 If you did not install the CTS refer to Section 3 10 510601 3 Installing the EXB 10i 3 9 Calibrating the CTS Position If you installed the CTS yourself you must calibrate the CTS position before operating the EXB 10i This is necessary because the cartridge handling mechanism CHM needs to determine the CTS s exact vertical and horizontal position Once the CTS position has been successfully calibrated you will not need to calibrate it again unless you replace the CTS Note If the CTS was installed at the factory
255. the CTS door is open and the grab base is empty then press SEL and INCR simultaneously to restart calibration m The grab base picks a cartridge from the cartridge holder and places it in the CTS If there are no cartridges in the cartridge holder the EXB 10i returns an 8Bh error code LEDs 1 2 4 9 numbered bottom to top To correct this error install a cartridge in the cartridge holder and restart the calibration procedure by pressing SEL and INCR simultaneously To locate the vertical position of the CTS the grab base attempts to pick and place the cartridge successfully from the CTS ten times If the grab base can pick and place the cartridge successfully with no more than one retry the procedure is successful If there was more than one retry the EXB 10i moves to another vertical position and reattempts the procedure The EXB 10i repeats this procedure until it has located a valid vertical position m When the EXB 10i has successfully located a valid vertical position the grab base returns the cartridge to its original slot October 1992 3 29 3 Installing the EXB 10i Once the CTS calibration is successful the EXB 10i is ready for operation When the EXB 10i is first powered on it is in random mode by default In random mode the EXB 10i waits in front of the bottommost cartridge holder slot For more information about the modes of operation and EXB 10i cartridge processing refer to Chapter 4 For more information abo
256. to place a cartridge but another cartridge was already present in the slot or CTS Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor C 15 Appendix C EXB 10i Error Conditions Top Bottom LED LED Description Corrective Action Display Display O O O Description The grab base is trying to place a cartridge in the CTS O but the CTS door is closed This error may occur if you manually O intervened with the pick and place cycle and closed the CTS door This error occurs in the EXB 10 or in the EXB 10i s sequential mode O O Corrective Action When this error occurs the EXB 10i s pick and place cycle has been interrupted You need to restart the pick and place cycle by following these steps 1 If there is a cartridge in the grab base remove it 2 Press the unload button to open the CTS door 3 Turn on the restart option 4 Reset the EXB 10i The EXB 10i will resume the pick and place cycle with cartridge 1 The appropriate status is returned to the host Description The grab base cannot move towards the cartridge holder to place a cartridge into either slots 1 through 5 or slots 7 through 10 Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your ven
257. ttommost slot in the cartridge holder then flashes a 93h code LEDs 1 2 6 and 9 This code indicates that the EXB 10i is ready for you to insert the calibration block Appendix D Calibrating the Cartridge Sensor and Eject Position 4 Open the EXB 10i door place the calibration block in the grab base If you are using a white calibration block make certain the circular indentation is facing inside the grab base Close the EXB 10i door Note When you open and close the door the EXB 10i assumes that you inserted the calibration block The EXB 10i moves to the bottommost slot in the cartridge holder and calibrates the sensor position which takes several seconds When finished the EXB 10i prompts you to remove the calibration block by flashing error code 9Ch LEDs 3 4 6 and 9 5 Open the EXB 10i door remove the calibration block and close the EXB 10i door After you remove the calibration block and close the door cartridge sensor calibration is complete If an error code appears refer to Appendix C Next the EXB 10i performs the eject position calibration which takes approximately 2 to 3 seconds In this time the grab base performs the following steps m Moves to slot 1 of the cartridge holder Moves towards the cartridge holder m Backs away from the cartridge holder After the EXB 10i performs the steps above the eject position calibration is complete If an error code flashes on the LEDs during or after cal
258. turns Check Condition status and sets sense data Data Out Sense Key Aborted Command Bh ASC Initiator Detected Error 48h ASCQ 0 Data In Sends a Restore Pointers message Status Resends the data or status Message Out Identify Init Detect Err Message Reject No Operation Message Par Err Reset Ifthe command is complete and an attempt has been made to return status 1 Sends a Message Reject message 2 Does not set sense data since the command was already processed Otherwise returns Check Condition status and sets sense data Sense Key Aborted Command Bh ASC Initiator Detected Error 48h ASCQ 0 Message In Msg Reject Sends another Message Reject message Message In Cmd Complete Disconnect Restore Ptrs Identify 7 6 1 Sends a Message Reject message 2 Resends the last message in 7 SCSI Physical Path Communications Abort Message 06h The Abort message is sent from the initiator to the EXB 10i to clear a previously requested process for the I_T_L nexus initiator target LUN connection The EXB 10i goes to the bus free phase immediately following the receipt of the Abort message Additional action depends on the LUN if established as defined below Ifthe Abort message is received after the Identify message then an I_T_L nexus is established If the LUN is valid all pending data and status for the issuing initiator is cleared and any previo
259. uctions for using the loop option are provided in Section 4 3 The EXB 10i is shipped with the loop option off 4 7 4 Operating the EXB 10i 4 8 CTS Calibrate Option LED 3 The CTS calibrate option allows you to calibrate the CTS position after you have installed the CTS This calibration is necessary because the CHM needs to determine the CTS s exact vertical and horizontal position In the calibration process the CHM is instructed to locate the CTS position and remember it Instructions for using the CTS calibration option are provided in Chapter 3 Note If the CTS was installed at the factory you do not need to use the CTS calibrate option Calibration was already performed at the factory The CTS calibrate option is on or off as follows O CTS calibrate option off The EXB 10i will not perform a CTS calibration after power on self test e CTS calibrate option on The EXB 101 will perform a CTS calibration after power on self test If the EXB 10i is shipped with a CTS installed the CTS calibrate option is turned off at the factory If the EXB 10i is shipped without a CTS installed the CTS calibrate option is turned on at the factory Cartridge Sensor Calibrate Option LED 4 The cartridge sensor calibrate option instructs the EXB 10i to calibrate the cartridge sensor position which allows the EXB 10i to determine if there is a data cartridge in the grab base Calibrating the cartridge sensor position is necessary on
260. urned off the CHM freezes in its current position and an error code 05h flashes numbered from bottom to top LEDs 1 and 3 If the EXB 10i is in random mode a Check Condition status is returned on the current command and a REQUEST SENSE command will indicate that the EXB 10i door was open The EXB 10i will not resume operation until you close the door again This safety feature enables you to perform the following actions without disturbing EXB 10i operation m Access and control CTS operations for example to clean the CTS with an EXABYTE cleaning cartridge as described in Cleaning the Cartridge Tape Subsystem in Chapter 5 m Remove and replace individual data cartridges in the data cartridge holder Remove and replace the data cartridge holder as described in Section 4 5 To resume EXB 10i operations close the EXB 10i door If the EXB 10i is in sequential mode the CHM waits one second and then resumes processing where it left off If you replaced the cartridge holder the EXB 10i restarts its pick and place cycle with cartridge 1 October 1992 4 17 4 Operating the EXB 10i 4 5 Replacing the Data Cartridge Holder You can replace the data cartridge holder at any time during EXB 10i operation However if you are operating the EXB 10i in sequential mode be aware that whenever you replace the data cartridge holder the EXB 10i restarts the pick and place cycle at cartridge 1 The sections below provid
261. us Sense Key Specific Byte 15 Bits 6 through 0 Bytes 16 and 17 When the SKSV bit byte 15 bit 7 is set to 1 the information contained in this field is dependent on the value of the sense key byte 02 bits 3 through 0 The Illegal Request 5h sense key is defined as follows Sense key specific field for Illegal Request 5h Reserved Bit Pointer October 1992 Field Pointer C D Command Data Byte 15 Bit6 Indicates whether the Check Condition status resulted from an illegal parameter in either the command descriptor block command or the parameter list data of a particular command as follows 19 5 19 REQUEST SENSE 03h 19 6 0 The Check Condition status resulted from an illegal parameter in the parameter list data 1 The Check Condition status resulted from an illegal parameter in the command descriptor block command BPV Bit Pointer Valid Byte 15 Bit 3 Indicates whether the value in the Bit Pointer field is valid as follows 0 The value contained in the Bit Pointer field is not valid 1 The value contained in the Bit Pointer byte 15 bits 2 through 0 is valid The value in the Bit Pointer field is valid when the field of the CDB or parameter list that caused the error is less than one byte long Bit Pointer Byte 15 Bits 2 through 0 Specifies the bit of the byte identified by the Field Pointer bytes 16 and 17 When a multiple bit field is in error
262. usly requested process by that initiator is aborted If the LUN is invalid no additional action is taken m Ifthe Abort message is received before the Identify message then only an I_T nexus has been established The EXB 10i goes bus free but no pending I O processes will abort Any pending data status and command processing for any other initiator is unaffected by this message For example if the EXB 10i is disconnected while processing a command for a different initiator the processing of that command is unaffected by the Abort message Motion commands are aborted as soon as reasonably possible The following sections explain when the EXB 10i aborts the indicated motion command after receipt of the Abort message Until it completely aborts the motion process the EXB 10i terminates all commands other than INQUIRY 12h or REQUEST SENSE 03h with Busy status INITIALIZE ELEMENT STATUS Command The EXB 10i checks for the Abort message before picking each cartridge If the EXB 10i receives an Abort message while it is picking a cartridge it aborts the initialize element status operation after that cartridge is placed October 1992 7 7 7 SCSI Physical Path Communications MOVE MEDIUM Command The EXB 10i checks for the Abort message before the initial pick of the cartridge prior to placing the cartridge and if the destination is the CTS before closing the door The EXB 10i takes the following actions during the indicated motion
263. ut programming the EXB 10i for random mode operation refer to Part 3 of this manual Note If the EXB 10i has been changed to sequential mode the EXB 10i begins processing the bottommost cartridge if the restart option is turned on the EXB 10i resumes processing where it left off if the restart option is turned off If two or more LEDs are flashing after calibration an error has occurred If this is the case check to make certain that the CTS door is open and that there is no cartridge in the grab base Power off the EXB 10i and follow the previous instructions for calibrating the CTS position If an error code still appears reset the EXB 10i by pressing the INCR and SEL buttons simultaneously for two seconds and then releasing the buttons If an error is still flashing refer to Appendix C 3 10 Powering on the EXB 10i 3 30 After you connect power to the EXB 10i turn on the EXB 10i As described in this section the procedure for performing the initial power on depends on how long the EXB 10i has been stored Refer to either of the following sections If the EXB 10i Has Been Stored for Less Than Six Months or If the EXB 10i Has Been Stored for Six Months or More Important If you installed the CTS yourself you must calibrate the CTS position If this is the case refer to Section 3 9 for instructions on calibrating the CTS position and powering on the EXB 10i If the CTS was installed at the factory the CTS pos
264. ve to the horizontal axis position where it starts pushing against the CTS door to close it Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor C 17 Appendix C EXB 10i Error Conditions Top Bottom LED LED Description Corrective Action Display Display O O O O 7 O O Corrective Action If you have a new CTS and a new cartridge O w this error might appear because the cartridge slides out of the CTS If this is the problem reset the EXB 10i Description The grab base cannot close the CTS door If the CTS has been used frequently in the past this error might appear because the door on the CTS is not closing properly If you have trouble closing it you may need to replace the door on the CTS Contact your vendor Description The grab base cannot move to the horizontal axis zero position after closing the CTS door Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor Description The grab base cannot close the CTS door after several retries Corrective Action This error could be caused by a servo error in the CTS firmware If there is a servo error the CTS will not accept a cartridge To clear a servo error in the CTS turn the EXB 10i off and then on o
265. ws O Parity Enable Disable off Parity checking is disabled Parity Enable Disable on Parity checking enabled The EXB 10i is shipped with parity enable disable option on 4 9 4 Operating the EXB 10i 4 10 Eject Position Calibrate Option LED 8 The eject position calibrate option instructs the EXB 10i to perform an eject position calibration which determines the exact position of the solenoid on the CHM The solenoid is used to eject a cartridge on the grab base Calibrating the eject position is only necessary if you replace the cartridge handling mechanism or the VMC card if you receive one or more 27h error codes within 10 pick and place cycles or if you upgrade the firmware Instructions for using the eject position calibrate option are provided in Appendix D The eject position calibrate option is on or off as follows O Eject position calibrate option off The EXB 10i will not perform an eject position calibration after power on self test Eject position calibrate option on The EXB 10 will perform an eject position calibration after power on self test The EXB 10i is shipped with the eject position calibrate option off 9600 Baud Option LED 9 The 9600 baud option resets the EXB 10i s maintenance port baud rate to 9600 baud the default You may need to use this option if you incorrectly set the maintenance port s baud rate in the Diagnostics program and you need to reset the baud rate to the default T
266. y to close the CTS door Corrective Action Check to see if something is blocking the grab base or the CTS door If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor Description The firmware cannot find a valid physical coordinate that corresponds to the specified logical position This error may be caused by a malfunction in the EXB 10i firmware Corrective Action Reset the EXB 10i by simultaneously pressing the INCR and SEL buttons for two seconds If the error still displays contact your vendor Description The grab base cannot move to the horizontal axis zero position before starting the vertical axis move Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor October 1992 Description The grab base cannot move to the specified vertical axis physical position Corrective Action Check to see if something is blocking the grab base If there is remove the obstruction and reset the EXB 10i If the error still displays contact your vendor C 19 Appendix C EXB 10i Error Conditions Top Bottom LED LED Description Corrective Action Display Display O O Description Internal error This error may indicate that there is a problem with the EXB 10i firmware Corrective Action Reset the EXB 10i by simultaneously pr
267. yas sas RRA EPS 7 5 Disconnect Message 04h cc ee ira bos pot AA Ce we eH 7 5 Initiator Detected Error 05h sonrisa 7 5 Abort Message 06 yas st aters AR E RARE AR 7 7 Message Rajet 07H eor Cara Bai adn A e a 7 9 No Ope raton USA s ec smese renea niana ana FREES a 7 10 Message Parity Error 09h ass 344 RR e eT o AE ED O a 7 10 Bus Device Reset Message UA Dot ad AR E 7 11 Identity Message SURE coo a A a ee ES 7 11 Unsupported Messages Ob gt s s sss aa ma EE AR AR a 7 16 7 2 SCSI Bus Parity and Error Recovety 26k eee oP Re oe OER RE a 7 16 SCSI bus Parity Check e sasie e eee pered a ra 7 17 Systems That Support Only the Command Complete Message 7 18 Systems That Support Additional Messages o o o ooo 7 19 73 Logica Litt EDEN sour oth oka ee a PORES A 7 21 Selection of Invalid Logical Unit Number 6a se a ee 00 be mes 7 21 Preservation of Sense Data for LUN Q 7 22 TA Busy COMMON sre E AAA e a e 7 23 Disconnecting rom The SCSI BUS 2k oe ah e pacu sacs aoe RAR 7 23 Aborting a SCSI Motion Command 24 020 es ex ee ee eee Oe we 7 25 7 5 Not Ready Condition scr AR AAA E 7 26 7 6 Unit Attention Condition 7 27 Clearing the Unit Attention Condition o ooo 7 27 First Command Received After a Unit Attention Condition 7 27 Next Command Received After Unit Attention is Reported 7 28 7 7 Hardware Error Condition 0 0 0 Bae Se
268. yte the initiator should assert the ATN signal for at least two deskew delays before asserting the ACK signal on the first byte and should maintain the ATN signal until the last byte is sent The EXB 10i acts on messages as long as it does not detect a parity error and will ignore all remaining messages sent under one ATN condition after it detects a parity error The EXB 10i continues to retry the message out phase in this way until no parity errors are detected or until the initiator aborts the current command or resets the EXB 10i Parity Error in the Message In Phase If the initiator detects a parity error during the message in phase the initiator should respond by sending a Message Parity Error 09h message to the EXB 10i Upon receiving the Message Parity Error message the EXB 10i resends the message The EXB 10i will resend the message as many times as requested by the initiator 7 19 7 SCSI Physical Path Communications 7 20 Parity Error in the Command Out Phase When parity checking is enabled and the EXB 10i detects a parity error in command bytes received from the initiator the EXB 10i goes to the message in phase and sends a Restore Pointers 03h message after all command bytes have been received The initiator must restore the command pointer to the start of the command descriptor block CDB The EXB 10i then goes to the command out phase and requests the entire CDB again The EXB 10i continues to retry the command out
269. yte might be returned Good The EXB 10i returns Good status when it is able to process the command without errors Bus The la returns Busy status when the EXB 10i is processing a command for a different initiator or when the EXB 10i is in the process of aborting a motion command See Section 7 4 for more information about the Busy condition Reservation Conflict The EXB 10i returns Reservation Conflict status when the EXB 10i is reserved by a different initiator or when an element involved in a requested move operation is reserved by a different initiator See Chapter 20 for more information about the RESERVE command Check Condition The EXB 10i returns Check Condition status for the following reasons m The message system is enabled and a message error occurs while the EXB 10i is processing the command The EXB 10i detects a parity error while receiving the CDB and the message system is not enabled The command is issued to an invalid LUN m A Unit Attention condition is pending for the initiator m The EXB 10i has experienced an unrecoverable hardware error m A reserved bit is set to 1 in the CDB A parameter in the CDB is invalid m After the EXB 10i attempts to move a cartridge it finds that the source is empty or the destination is occupied 14 MOVE MEDIUM A5h 14 8 The EXB 10i encounters a hardware problem while trying to move a cartridge Note Refer to Appendix C for a complete list of errors and t
270. ytes 02 and 03 The Number of Elements Available field indicates the number of elements that are available to meet the CDB request The status for these elements is returned if you specified a sufficient Allocation Length This field is not adjusted to meet the allocation length The value in this field will be less than or equal to the number of elements specified in the CDB 510601 16 READ ELEMENT STATUS B8h Byte Count of Report Available Bytes 05 through 07 The Byte Count of Report Available field indicates the number of bytes of element status page data the EXB 10i will return after the header This field is not adjusted to match the allocation length 16 4 Element Status Page The eight byte header for the Element Status page is shown below Element Type Code PVolTag AVolTag Reserved MSB Element Descriptor Length Reserved October 1992 Byte Count of Descriptor Data Available This page not including this header The fields in the Element Status page are described below Element Type Code Byte 00 This field indicates the element type reported by this page PVolTag Byte 01 Bit 7 This field is always 0 AVolTag Byte 01 Bit 6 This field is always 0 Element Descriptor Length Bytes 02 and 03 This field indicates the number of bytes in each descriptor Byte Count of Descriptor Data Available Bytes 05 through 07 This field indicates the number of bytes o

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