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Acer AcceleRAID 170 Network Card User Manual

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1. Dn Auto Termination Disabled CHO T pi Il Il Internal External Drive Configuration Figure 2 11 Termination with Internal and External Drive Configuration 3 Remove or set disk drive termination jumpers to the disabled position if needed Refer to the documentation furnished with your disk drives to determine if your termination jumpers need to be adjusted Manual No 775064 2 13 Installation Process Setting SCSI Device IDs 4 Set the SCSI ID on the disk drives ID 7 is reserved for the controller See Figure 2 12 W Note Each drive must have a unique ID chosen from 0 through 6 or 8 through 15 Be careful not to duplicate a drive address Remember ID 7 is reserved for the controller therefore it cannot be used as a disk drive ID ID s from 0 through 6 are usually for Narrow 8 bit devices However the full range of SCSI ID addresses 0 through 6 and 8 through 15 can be used for Wide 16 bit devices See your device documentation for instructions on how to set your particular disk drive s SCSI address SCSI ID Numbers 7 is reserved for the controller 0 1 8 9 10 11 12 13 14 15 used only for wide devices 2 3 4 5 6 used for narrow or wide devices 2 14 Figure 2 12 SCSI ID Numbers AcceleRAID 170 Installation Guide Installation SCSI Cabling The controller supports one Ultra
2. on page 3 2 for details 1 Poweron the computer 2 Watch the messages on the screen for the following prompt to be displayed Press lt ALT M gt for BIOS options 3 Press Alt M to get into the BIOS Options menu 4 The BIOS Options menu provides the following items to choose from BIOS options BIOS enabled CD ROM boot disabled 2 GB drive geometry 5 To select any of the items in the menu highlight the selection with the Up Arrow or Down Arrow Press Enter to toggle any of the three items Note BIOS must be enabled to toggle the CD ROM boot option Manual No 775064 3 1 BIOS Options Setting BIOS Options The available BIOS options are e BIOS disabled enabled e CD ROM boot disabled enabled e 2GB 8GB drive geometry BIOS Disable or Enable This option must be enabled in order to toggle the CD ROM boot parameter shown in the BIOS Options menu The BIOS must also be enabled in order to boot from any device e g CD ROM or system drive configured on the controller or to access any DOS partition on any drive configured on the controller When BIOS Disable or Enable is selected the following message will be displayed Press the Esc key to restart the system and then watch the screen for the following messages BIOS options BIOS enabled CD ROM boot disabled 2 GB drive geometry The system will restart Press any key to continue CD ROM Boot Disable or Enable
3. 2 If a PRODUCT is determined to be ineligible for warranty service the customer will be notified before any fur ther action is taken with the PRODUCT 3 MYLEX will not be responsible for any loss or damage to property shipped with the RMA PRODUCT not origi nally sold by MYLEX e g coprocessor chips peripheral boards memory modules enclosures power supplies or any other accessories or attached items 4 Any item returned to MYLEX without a valid RMA number will be returned to the shipper Products shipped to MYLEX must be shipped or mailed at the shipper s risk freight prepaid to the address below Mylex Corporation 34551 Ardenwood Blvd Fremont California U S A 94555 3607 Mylex will pay for return freight via such carrier as MYLEX shall deem appropriate Technical Support Technical support to assist you in resolving problems with MYLEX products is available through MYLEX s Tech nical Support Department In the U S A the Technical Support Department can be reached by telephone at 510 608 2400 by FAX at 510 745 7715 or by e mail at support mylex com Current hours of operation which are subject to change are from 6 00 a m to 6 00 p m Pacific Time Mondays through Fridays excluding U S A national holidays Many problems can also be solved using the Mylex Web site http www mylex com which has a support area available 24 hours a day for interactive technical support Included with the shipment of most MYL
4. Level 0 1 Combines RAID 0 striping and RAID 1 mirroring This level provides redundancy through mirroring JBOD Sometimes referred to as Just a Bunch of Drives Each drive is operated independently like a normal disk controller or drives may be spanned and seen as a single drive This level does not provide data redundancy Level 10 Combines RAID 0 striping and RAID 1 mirroring spanned across multiple drive groups super drive group This level provides redundancy through mirroring and better performance than Level 1 alone Level 30 Data is striped across multiple drive groups super drive group Maintains parity information which can be used for data recovery Level 50 Data is striped across multiple drive groups super drive group For data redundancy drives are encoded with rotated XOR redundancy Note The host operating system drivers and software utilities remain unchanged regardless of the level of RAID installed The controller makes the physical configuration and RAID level implementation Manual No 775064 G 15 RAID Migration A feature in RAID subsystems that allows for changing a RAID level to another level without powering down the system RAM Random Access Memory the built in readable and writable data storage that comes with or can be added to a computer RISC Reduced Instruction Set Computing architecture for an application specific processor RJ 11 RJ 45 Registered Jac
5. failed drives Stripe Size The size in kilobytes 1024 bytes of a single I O operation A stripe of data data residing in actual physical disk sectors which are logically ordered first to last is divided over all disks in the drive group Stripe Width The number of striped SCSI drives within a drive group Striping The storing of a sequential block of incoming data across multiple SCSI drives in a group For example if there are 3 SCSI drives in a group the data will be separated into blocks and block 1 of the data will be stored on SCSI G 20 AcceleRAID 170 Installation Guide Glossary drive 1 block 2 on SCSI drive 2 block 3 on SCSI drive 3 block 4 on SCSI drive 1 block 5 on SCSI drive 2 and so on This storage method increases the disk system throughput by ensuring a balanced load among all drives Sustained Data Transfer Rate A rate of data transfer defined for continuous operation at a maximum speed level Synchronous Data Transfer Data transmission synchronized to a defined time interval and is faster than asynchronous SCSI because there is no wait for acknowledgement of each byte from the receiving device up to 20MHz System Drives A system drive is equivalent to a logical drive System drives are presented to the operating system as available disk drives each with a capacity specified by the eXtremeRAID controller Target ID The SCSI ID of a device attached to a controller Each SCSI channel can ha
6. implementation are known as RAID levels The system manager or integrator selects the appropriate RAID level for a system This decision will be based on which of the following are to be emphasized Disk Capacity Data Availability redundancy or fault tolerance Disk Performance RAID Adapters See RAID Controller RAID Advisory Board RAB An association of companies whose primary intention is to standardize RAID storage systems Mylex is a member of RAB RAID Controller Low cost RAID controllers that use SCSI channels on the motherboard G 14 AcceleRAID 170 Installation Guide Glossary RAID Levels Mylex disk array controllers support four RAID Advisory Board approved RAID 0 RAID 1 RAID 3 and RAID 5 two special RAID 0 1 and JBOD and three spanned RAID 10 30 and 50 RAID levels All DAC960 AcceleRAID and eXtremeRAID series controllers support these RAID levels Level 0 Provides block striping across multiple drives yielding higher performance than is possible with individual drives This level does not provide any redundancy Level 1 Drives are paired and mirrored All data is 100 percent duplicated on a drive of equivalent size Level 3 Data is striped across several physical drives Maintains parity information which can be used for data recovery Level 5 Data is striped across several physical drives For data redundancy drives are encoded with rotated XOR redundancy
7. 160 SCSI channel which can support up to 15 SCSI devices plus the controller itself LVD Mode The controller supports Ultra 160 SCSI with LVD If all drives attached to a controller drive channel support Ultra 160 SCSI with LVD then that channel will operate at a maximum of 160MB s burst speed This setup allows a maximum SCSI bus length of up to 12 meters Note The SCSI bus length can be extended up to 25 meters if only the controller and one drive are on the bus in a point to point configuration Single ended Mode If any device on the channel does not have LVD electrical characteristics the channel will revert to single ended operation mode The SCSI bus lengths will then be limited to the single ended bus lengths shown in Table 2 3 Table 2 3 SCSI Formats and Bus Lengths SCSI Trade Association Bus Bus Max Bus Length Meters Max Device STAN Terms i a Weiche Single ended Low Voltage Eens 9 Max Differential Controller SCSI 1 5 8 6 8 Fast SCSI 10 8 3 8 Fast Wide SCSI 20 16 3 16 Ultra SCSI 20 8 1 5 8 Ultra SCSI 20 8 3 4 Wide Ultra SCSI 40 16 16 Wide Ultra SCSI 40 16 1 5 8 Wide Ultra SCSI 40 16 3 4 Ultra2 SCSI 40 8 Not Defined 12t 8 Wide Ultra2 SCSI 80 16 Not Defined 12t 16 Ultra 160 SCSI 160 16 Not Defined 12 16 The Maximum number of devices allowed on a Wide Ultra SCSI bus is 8 unless bus extender technology is used t This length
8. Disk and Hot Spare Hot Swap The exchange of a replacement unit in a storage system for a defective unit The exchange requires human intervention but the system can continue to perform its normal functions compare with Auto Swap Cold Swap and Warm Swap See also Hot Replacement of Disk In Line Terminator A plug attached to the end of a SCSI cable in order to initiate active termination Used when SCSI devices on the cable do not have built in termination See also Active Termination Interface A hardware or software protocol that manages the exchange of data between the hard disk drive and the computer The most common interfaces for small computer systems are ATA also known as IDE and SCSI Internal RAID Controller A controller circuit board that resides inside a computer or server An internal RAID controller resides on a bus such as the PCI bus Examples of internal RAID controllers include the Mylex AcceleRAID and eXtremeRAID families Manual No 775064 G 9 VO Input Output the transmission of information between an external source and the computer VO Bus Any path used for the transfer of data and control information between I O adapters and storage controllers or storage devices See also Bus LO Intelligent Input Output a driver that uses special UO processes to eliminate T O bottlenecks The processes deal with interrupt handling buffering and data transfer An I O driver also includes an OS spec
9. Specifications AcceleRAID 170 Controller AcceleRAID 170 CPU i960RM microprocessor 100MHz Cache 32MB 64MB and 128MB installed on a DIMM module Memory Write Selectable Write Through or Write Back Error Protection ECC Error Correction Code Firmware ROM Type Flash EEPROM 1MB x 8 PCI 32 bit 33MHz Host 32 bit 33MHz Internal PCI SCSI Supports a single channel Ultra 160 SCSI LVD 10160A Manual No 775064 A 1 General Hardware Specifications Environmental Specifications Controller AcceleRAID 170 Temperature Operating 0 C to 50 C 32 F to 122 F Storage 20 C to 70 C 4 F to 158 F Humidity Operating 10 to 90 relative humidity non condensing Storage 10 to 90 relative humidity non condensing Altitude Operating Up to 3 048m 10 000 ft Storage Up to 15 240m 50 000 ft Form Factor Length 7 575 inches Width 4 200 inches Maximum Component 0 105 inches on the solder side of the controller Height 0 570 inches on the component side of the controller Typical Power Consumption at 5 25v below 3 0A 15W with 128MBytes SDRAM at 4 75v below 3 25A 11 25W with 128MBytes SDRAM MTBF above 250 000 hours at 55 C A 2 AcceleRAID 170 Installation Guide Appendix B AcceleRAID 170 Error Messages W Note The firmware you are using may have these messages turned off However they are listed here for your reference Start up Error Messages The BIOS looks for any initialization me
10. The PRODUCT has been modified or repaired by any party other than MYLEX or a MYLEX factory authorized service center 3 The PRODUCT has been damaged Some MYLEX products will have a Warranty Expiration Date label affixed to the product itself When present the warranty period will extend through the last day of the month indicated This warranty will not apply to and MYLEX provides no warranty for any BIOS software ROM based firmware or any other PRODUCT developed or manufactured by any third party whether included with this PRODUCT or not Such warranty or warranties as are provided by third parties to the extent permitted thereby shall be made available and are hereby assigned by MYLEX to the purchaser of this PRODUCT If MYLEX issues a revision to the BIOS firmware or software included with this PRODUCT within 30 days of your purchase MYLEX will replace such firmware at no charge except handling fees Out of Warranty Service Mylex products which are ineligible for warranty service may be serviced by MYLEX according to our standard price list as modified from time to time A current copy of the standard price list is available from the Technical Support Department Limitation of MYLEX Liability MYLEX s liability arising from the sale use and disposition of this PRODUCT shall in no event exceed the amount paid to MYLEX for this PRODUCT MYLEX assumes no liability for damages arising from the use or failure of any MYLEX pro
11. can be extended to 25 meters if there are only 2 devices e g the controller and one drive on the bus in a point to point configuration Manual No 775064 2 15 Limitations on Mixing SCSI Drives Limitations on Mixing SCSI Drives Narrow with Wide SCSI Drives If you mix narrow and wide SCSI devices on the controller use a terminator that does not terminate the upper eight bits and be sure to properly terminate the end of the bus with either a 16 bit terminator or a 16 bit device that has termination enabled LVD with Single ended Drives If LVD capable drives are installed on a channel with single ended devices all drives on the channel will operate as if they were single ended devices This will also limit the bus length to the single ended bus length specified in Table 2 3 2 16 AcceleRAID 170 Installation Guide Chapter 3 Controller Start up This chapter describes e BIOS Options e BIOS Configuration Utility RAID EzAssist e Operating System Device Drivers GAM e What to Check in Case of Problems This chapter describes the AcceleRAID 170 RAID controller start up procedures and messages produced by the BIOS during start up or re boot This chapter also explains three BIOS options that are available for configuring controller operation BIOS Options After physically installing the controller and connecting the cabling do the following steps if you need to set or modify a BIOS option see Setting BIOS Options
12. ee A 2 Appendix B AcceleRAID 170 Error Messages Start up Error Messages i B 1 Drive Check Error Messages A B 1 Installation Abort ege iaia NE EE B 2 System Reboot or Power DOWN ee RR AR Re Re ee B 3 Appendix C PCI Hot Plug piele Ile en DEE C 1 Jud EE Ce EE C 1 N T C 1 Windows CR EE C 3 leie TL BEE C 3 Windows 64 eege fon adie ME OE ERA N CA Appendix D Enclosure Management Introductioni sila la lana danni D 1 SN OR EE nei EIE D 1 SES uk ME he ee oes Ge As ege eet EE ee Da BE D 2 vi AcceleRAID 170 Installation Guide Appendix E Regulatory Information Glass B Compliance si ERLA RE Ee i iii E 1 Declaration of Conformity Declaration of Conformity EN RE EE EE E 3 Community of Europe i E 4 Underwriters Laboratories Statement and Warning sees E 5 Glossary Manual No 775064 vii viii AcceleRAID 170 Installation Guide Chapter 1 Introduction This chapter describes e The AcceleRAID 170 controller e Standard package contents e User supplied items Figure 1 1 AcceleRAID 170 Controller Product Description The Mylex AcceleRAID 170 controller is a PCI to Ultra 160 SCSI single channel RAID controller with 32 bit 33MHz PCI capability The AcceleRAID 170 supports one external connector and one internal Ultra 160 SCSI connector The AcceleRAID 170 controller provides the speed and functionality required by high demand server platforms AcceleR
13. the device drivers through the Open Data link If the NetWare installation process determines that the server supports PCI Hot Plug and detects the appropriate driver the installation process adds the following two LOAD commands to the autoexec ncf file e LOAD sys system driver_name This command loads the bus driver for Compaq this is cpgsbd nlm After this command is executed NetWare autoloads ncm nlm e LOAD sys system nemcon nlm This command loads the Novell Configuration Manager Console which then loads odineb nlm These commands can also be executed at the server console prompt Note This command is commented out If you want the Configuration Manager Console to be loaded every time the system is started remove the pound sign at the beginning of the line Perform the following steps 1 Install NetWare 5 Service Patch 1 2 Install the Mylex GAM DMI driver 3 Restart the server The autoexec ncf will execute and load the drivers and start ncmcon nlm the PCI Hot Plug user interface Note If any LOAD line is commented out in autoexec ncf the corresponding driver can be loaded manually by executing the LOAD command as listed in autoexec ncf at the server console prompt C 2 AcceleRAID 170 Installation Guide PCI Hot Plug Windows NT Windows NT requires additional software from the vendor who makes the system Since this software is not a part of NT the software needs to be installed after
14. use the PCI Hot Plug feature C 4 AcceleRAID 170 Installation Guide Appendix D Enclosure Management Introduction Mylex s AcceleRAID controllers support the industry standard enclosure management protocol SCSI Accessed Fault Tolerant Enclosures SAF TE This feature allows the host to monitor drive enclosures and detect certain faults or operating environment conditions The host can make a decision to shut down the system or issue a warning based on the type of fault detected SAF TE The SAF TE protocol follows a specification jointly worked out by Conner Corporation and Intel Corporation Enclosures that are compliant with this protocol are known as SCSI Accessed Fault Tolerant Enclosures SAF TE The protocol is compatible with standard SCSI buses and cabling The SAF TE interface standard s objective is to provide a non proprietary means of allowing third party disks and controllers to be automatically integrated with peripheral enclosures that support e Status Signals LEDs audible alarms LCDs etc e Hot swapping of drives e Monitoring of fans power supplies and enclosure temperature SCSI is the underlying transport mechanism for communicating enclosure information All standard SCSI host adapters will work There is no need to consider reserved signals or special cabling The SAF TE interface can be implemented as a SCSI target that uses a SCSI port and an 8 bit microcontroller All communication is initia
15. AID 170 achieves performance breakthroughs in PCI technology eliminates storage bottlenecks and delivers scalable performance Enclosure management and PCI Hot Plug are standard features Manual No 775064 1 1 Product Description Controller Features Features of the AcceleRAID 170 controller include e One QLogic ISP 10160A chip to support one Ultra 160 SCSI LYD channel e Intel i960RM RISC processor operating at 100MHz e 32MB 64MB and 128MB ECC cache DIMM module e PCI 2 2 compliant e IMB 8 bit flash EEPROM for BIOS and code e Built in configuration utilities in BIOS e Write through and write back cache support e PCI Hotplug capability allows the AcceleRAID 170 to be swapped with a replacement without powering down the system A Caution Be sure the motherboard you are using supports PCI Hotplug before attempting to use this feature or serious damage to the controller and or the motherboard could result The motherboard must be PCI 2 2 compliant if using PCI Hot Plug Channel Capabilities 15 Ultra 160 SCSI devices per channel Controller Capabilities e 15 physical drives in the drive group array e 32 total logical drives on the controller e Supports RAID levels 0 1 0 1 3 5 10 30 50 and JBOD 1 2 AcceleRAID 170 Installation Guide Introduction Operating System Support MS DOS 5 x 6 x and above are supported using drivers that reside in the AcceleRAID BIOS Many drivers in the Disk Array Controller So
16. CI ISA EISA and MCA See also VO Bus Cables The physical wires copper or fibre optic over which electrical signals are transmitted Cables are used to connect peripherals such as disk arrays to computers and servers or to connect peripherals or components to each other Cache A temporary storage area for frequently accessed or recently accessed data Cache is used to speed up data transfer to and from a disk See also Caching Cache Flush Refers to an operation where all unwritten blocks in a Write Back Cache are written to the target disk This operation is necessary before powering down the system Cache Line Size Represents the size of the data chunk that will be read or written at one time and is set in conjunction with stripe size Under RAID EzAssist M the cache line size also known as Segment Size should be based on the stripe size you selected The default segment size for Mylex RAID controllers is 8K Caching Allows data to be stored in a pre designated area of a disk or RAM Caching speeds up the operation of RAID systems disk drives computers and servers or other peripheral devices CD ROM Compact Disk Read Only Memory a removable read only storage device similar to an audio compact laser disk holding up to 640MB of data Manual No 775064 G 3 Channel Any path used for the transfer of data and control of information between storage devices and a storage controller or I O adapter Als
17. Drivers Device drivers that are compatible with the controller can be found in the Software Kit For details on how to install and load drivers refer to the PCI Disk Array Controller Drivers Installation Guide and User Manual Global Array Manager GAM Server The Global Array Manager Server software supports a variety of operating systems For details on how to install GAM Server refer to the Global Array Manager Server Software Installation Guide and User Manual 3 4 AcceleRAID 170 Installation Guide Controller Start up Global Array Manager GAM Client The controller can be configured using GAM GAM can also be used from the server or a system client to monitor status and verify data integrity of disks connected to the controller while the system and disks are running For details on how to install and run GAM client refer to the Global Array Manager Client Software Installation Guide and User Manual In Case of Problems If problems are encountered during start up check the following e Check SCSI cabling for loose connections pin mismatches make sure pin on the cable matches pin on the connector bent pins and damaged or crossed cables e Check cable length this includes internal bus lengths in enclosures e Check termination e Check SCSI IDs on all drives Manual No 775064 3 5 In Case of Problems AcceleRAID 170 Installation Guide Appendix A AcceleRAID 170 Specifications General Hardware
18. EX products is a System Problem Report SPR form When contacting the Technical Support Department for assistance with an installation or compatibility problem we recommend that this form be completed and sent by facsimile or mail to MYLEX Completion of this form will allow our Technical Support Department to solve most technical problems expeditiously Mylex will make reasonable efforts to address compatibility problems which may arise with respect to third party products but shall not be responsible for the compatibility of its products with the products of any third party Cus tomers are advised to verify each product s compatibility with their installation before committing to any particular procurement plan MNWNYLEX MOVING DATA SMARTER CORPORATE OFFICE 34551 Ardenwood Boulevard Fremont CA 94555 3607 Tel 510 796 6100 Domestic Sales Fax 510 745 8016 International Sales Fax 510 745 7521 www mylex com
19. M G 4 AcceleRAID 170 Installation Guide Glossary Disk A non volatile randomly addressable re writable data storage device including rotating magnetic and optical disks as well as solid state disks or other electronic storage elements Disk Array A collection of disks from one or more commonly accessible disk systems Disk arrays also known as RAID allow disk drives to be used together to improve fault tolerance performance or both Disk arrays are commonly used on servers and are becoming more popular on desktops and workstations See also Array Disk Drive A device for the electronic digital storage of information Disk System A storage system capable of supporting only disks Drive Groups Drive Packs A group of individual disk drives preferably identical that are logically tied to each other and are addressed as a single unit In some cases this may be called a drive pack when referring to just the physical devices All the physical devices in a drive group should have the same size otherwise each of the disks in the group will effectively have the capacity of the smallest member The total size of the drive group will be the size of the smallest disk in the group multiplied by the number of disks in the group For example if you have 4 disks of 400MB each and 1 disk of 200MB in a pack the effective capacity available for use is only 1000MB 5x200 not 1800MB Drivers A software routine that rece
20. SCSI busses SDRAM Synchronous Dynamic Random Access Memory a form of dynamic random access memory DRAM that can be coordinated or synchronized to the clock speed of the computer Segment Size See Cache Line Size Sequential I O A type of read and write operation where entire blocks of data are accessed one after another in sequence as opposed to randomly Server A computer program that provides and manages services to other computer programs on the same or other computers The computer that a server program runs in is also frequently referred to as a server SES SCSI Enclosure Services a standard for SCSI access to services within an enclosure containing one or more SCSI devices For disk drives power supplies cooling elements and temperature sensors the actions performed are the same as for SAF TE monitoring If a UPS is connected to any SES monitored enclosures and an AC failure or two minute warning is G 18 AcceleRAID 170 Installation Guide Glossary reported conservative cache is enabled and all system drives are switched to write through cache Primarily used in fibre enclosures SIMM Single In line Memory Module RAM packed on a small circuit board with a defined edge connector Two SIMMs are required for a 64 bit memory path on a Pentium processor See also DIMM SISL See SCSI Interrupt Steering Logic SISL SMART Self Monitoring Analysis and Reporting Technology the industry standard reliab
21. The default for this option is for the CD ROM boot to be disabled e g the system will boot from a hard drive even if there is a bootable CD ROM installed attached to the AcceleRAID 170 If the CD ROM boot option is enabled and if a bootable CD is installed in the CD ROM drive the system can boot from the CD you will also get an option to bypass the CD ROM boot feature If the CD ROM boot option is enabled the CD ROM attached to the AcceleRAID 170 will take priority over the disk drives For example under MS DOS the disk drive that is normally Drive C will become Drive D All subsequent drive IDs will similarly be moved down 3 2 AcceleRAID 170 Installation Guide Controller Start up Enable 8 GByte or 2 GByte Drives This setting affects how the BIOS reads the disk drives for the boot partition Drive geometries can be toggled between 8 GB and 2 GB The default is 2 GB When the drive geometry is changed the drive should be formatted at the operating system level A Caution Changing this setting after data has been stored will make the data unreadable If you have already configured your array and have stored data you should not change this setting BIOS options BIOS enabled CD ROM boot disabled WARNING Changing drive geometry may lead to non bootable system drives and or loss of data Proceed anyway Y N The default BIOS geometry of the controller is set to 2 GB This means that the BIOS can o
22. Version x xx One or more of the following messages will be displayed if the firmware reports the following conditions Warning X system drives offline Warning X system drives critical WARNING Dead SCSI devices Channel Target x y No system drives installed X system drives installed The BIOS repeats the same process for additional RAID controllers present in the system Then it proceeds to boot if possible from the first system drive on the first controller Installation Abort With Firmware 6 x the installation aborted message is displayed when the BIOS finds that the configuration of the disk drives as stored in the NVRAM and configuration on disk is different from what it senses at boot time When this happens and a new installation is not being attempted the cause is often a faulty cable or drive or a loose connection Check all of the connectors cables drives and try to boot If the error persists it most likely indicates a genuine failure and needs to be corrected To correct it boot and run the on board BIOS Configuration Utility RAID EzAssist see Chapter 3 For more information refer to the RAID EzAssist Configuration Utility User Reference Guide or RAID EzAssist Configuration Utility Quick Configuration Guide With Firmware 6 x if the BIOS displays a mismatch in the Configuration on Disk COD on all drives then the following message will be displayed install abort no drives will be installed
23. a Wide SCSI Ultra Fast SCSI Ultra 160 SCSI and WideSCSI NVRAM Non Volatile Random Access Memory a memory unit equipped with a battery so that the data stays intact even after the main power had been switched off G 12 AcceleRAID 170 Installation Guide Glossary Offline A Logical Drive is in an offline state if no data can be read from it or written to it Offline does not apply to physical disk drives System commands issued to offline logical drives are returned with an error status no operations can be performed on offline logical drives See also Logical Drive States Online and Critical Online A Logical Drive is in an online state if all of its participating SCSI drives have power and are operational See also Logical Drive States Critical and Offline Parity A method of providing complete data redundancy while requiring only a fraction of the storage capacity of mirroring The data and parity blocks are divided between the disk drives in such a way that if any single disk drive is removed or fails the data on it can be reconstructed using the data on the remaining disk drives The parity data may exist on only one disk drive or be distributed between all disk drives in a RAID group Parity Check A function used to verify the integrity of data on a system drive It verifies that mirror or parity information matches the stored data on the redundant arrays If the parity block information is inconsiste
24. ause the G 16 AcceleRAID 170 Installation Guide Glossary enclosure itself is treated as simply another device on the SCSI bus Many other leading server storage and RAID controller manufacturers worldwide have endorsed the SAF TE specification Products compliant with the SAF TE specification will reduce the cost of managing storage enclosures making it easier for a LAN administrator to obtain base level fault tolerant alert notification and status information All Mylex RAID controllers feature SAF TE SCSI Small Computer System Interface a technological standard that defines connections between computers and peripheral devices SCSI Adapters Storage controllers for managing SCSI devices SCSI Drive A disk drive equipped with a SCSI interface sometimes referred to as a SCSI Disk Each disk drive will be assigned a SCSI address or SCSI ID which is a number from 0 to 7 0 to 15 under wide or Ultra SCSI The SCSI address uniquely identifies the drive on the SCSI bus or channel SCSI Drive States Refers to a SCSI drive s current operational status At any given time a SCSI drive can be in one of five states Ready Online Standby Dead or Rebuild The controller stores the state of the attached SCSI drives in its non volatile memory This information is retained even after power off Hence if a SCSI disk is labeled dead in one session it will stay in the dead state until a change is made either by usi
25. ay be used herein for the purpose of identifying the products or services of their respective owners Unless otherwise noted companies names and data used in examples herein are fictitious Our Policy Although reasonable efforts have been made to assure the accuracy of the information contained herein this publication could include technical inaccuracies or typographical errors Mylex Corporation expressly disclaims liability for any error in this information and for damages whether direct indirect special exemplary consequential or otherwise that may result from such error including but not limited to loss of profits resulting from the use or misuse of the manual or information contained therein even if Mylex Corporation has been advised of the possibility of such damages Any questions or comments regarding this document or its contents should be addressed to Mylex Corporation at the address shown on the back cover The following paragraph does not apply to the United Kingdom or any country where such provisions are inconsistent with local law MYLEX CORPORATION PROVIDES THIS PUBLICATION AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some states do not allow disclaimer of express or implied warranties or the limitation or exclusion of liability for indirect special exemplary incidental or consequen
26. bes controller start up and the BIOS options Appendix A provides hardware and environmental specifications Appendix B describes error messages and problem correction Appendix C describes the PCI Hot Plug feature Appendix D provides enclosure management information Appendix E provides regulatory agency information Conventions Throughout the manual the following conventions are used to describe user interaction with the product prompt This style of type indicates screen display messages Enter Press the key labeled Enter or Delete etc Note Supplementary information that can have an effect on system performance A Caution Notification that a proscribed action has the potential to adversely affect equipment operation system performance or data integrity WARNING Notification that a proscribed action will definitely result in equipment damage data loss or personal injury Contents Chapter 1 Introduction Product Description ee RR Re ee Re ee ee ee Re ee 1 1 Controller Features i 1 2 Channel Capabilities i 1 2 Controller Capabilities AA 1 2 Operating System Support ii 1 3 Standard Package Contents ee ee ee RA ee Re Re ee ee ke 1 4 Hardwares N OE ER OE EE OE ER 1 4 el AE OE DO ead Ra 1 4 User supplied Items sopore ee Ee Ee Ge Ee ee ee ee ee ee ee ee ee ee ee 1 5 Chapter 2 Installation Before You Begin is EE EE EG EE ioe GE ie E
27. ces Department or mail to Mylex Corporation Technical Services Department 34551 Ardenwood Blvd Fremont CA 94555 3607 772014 DAC1164 Mylex Warranty Customer Policy Thank you for purchasing this Mylex product for your computer system In addition to this high quality product your purchase entitles you to the warranty coverage set forth herein In order to provide this warranty coverage and to indicate your acceptance of this warranty we must have the attached Warranty Registration Card completed and returned to us within 15 days of your purchase Also in order for us to provide you the highest level of service we must know where you purchased your MYLEX product Three Year Limited Warranty If at any time during the thirty six month period 18 months for BBM BDIMM immediately following the date of original purchase of the MYLEX product enclosed herewith the PRODUCT you discover one or more defects in the material or workmanship MYLEX will repair or at MYLEX s sole option replace the PRODUCT If the PRODUCT fails to operate at any time within seven days after the date of its original purchase it will be replaced by MYLEX Such repair or replacement will be your sole remedy against MYLEX and MYLEX s only liability to you for any failure or malfunction of the PRODUCT The warranty set forth in this paragraph will be void if 1 The PRODUCT has been installed in an improper manner or in an improper operating environment 2
28. ces use data rates up to 10 MHz Fast Wide SCSI SCSI devices using data rates up to 20 MHz Flash ROM Memory on an adapter containing software that can be reprogrammed without removing it from the board Format A pre established layout for data Programs accept data as input in a certain format process it and provide it as output in the same or another format All data is stored in some format with the expectation that it will be processed by a program that knows how to handle that format Gigabit 10 1 000 000 000 bits Abbreviated as Gb Manual No 775064 G 7 Gigabyte 230 1 073 741 824 bytes Abbreviated as G or GB Global Array Manager GAM A Mylex RAID management utility that allows a system administrator to configure monitor and manage network RAID storage from anywhere in the world GAM can communicate critical notification via e mail fax pager SNMP or the launching of an application GAM is everything needed to manage Mylex PCI RAID Controllers SCSI Host Adapters and External RAID Controllers HDM Hardware Driver Module a driver set required for SCSI adapters for use in an LO environment Host Any computer system to which disks are attached and accessible for data storage and I O Host Bus Adapter HBA An I O adapter that connects a host I O bus to the host s storage memory system Host I O Bus An I O bus used to connect a host computer to storage systems or storage devices Hot P
29. duct The WARRANY DESCRIBED ABOVE CONSTITUTES THE ONLY WARRANY MADE BY MYLEX MYLEX EXPRESSLY DISCLAIMS ANY AND ALL OTHER WARRANTIES OF ANY KIND WHATSOEVER WHETHER EXPRESSED OR IMPLIED INCLUDING WARRANTIES OF MERCHANT ABILITY AND FITNESS FOR A PARTICULAR PURPOSE WHICH ARE HEREBY EXPRESSLY EXCLUDED IN NO EVENT WILL MYLEX BE LIABLE FOR INCIDENTAL SPECIAL OR CONSEQUEN TIAL DAMAGES INCLUDING WITHOUT LIMITATION LOSS OF DATA USE OR INCOME EVEN IF ADVISED OF SUCH DAMAGES IN ADVANCE Your sole remedies shall be as provided herein P N 772058 07 3 99 Printed in U S A Returned Merchandise Procedures If you suspect that there is a defect in the material or workmanship of this PRODUCT you should contact the per son or company from which you purchased it That person or company may be able to solve the problem and if not will be able to contact us for technical assistance or repair If it is determined that the PRODUCT must be returned to MYLEX for repair or replacement contact MYLEX s Technical Support Department at 510 608 2400 before it is returned Each returned item must have a separate Return Merchandise Authorization RMA number provided by MYLEX The following rules apply to all returned items 1 The PRODUCT must be returned either in its original packaging or in other packaging which is appropriate for the PRODUCT and the manner of shipment and the RMA number must be displayed prominently on the outside of each such package
30. e radio interference in which case the user may be required to take adequate measures Achtung Dieses ist ein Ger t der Funkst rgrenzwertklasse B In Wohnbereichen k nnen bei Betrieb dieses Ger tes Rundfunkst rungen aufreten in welchen F llen der Benutzer f r entsprechende Gegenma nahmen verantwortlich ist Avertissement Cet appareil est un appareil de Classe B Dans un environnement r sidentiel cet appareil peut provoquer des brouillages radio lectriques Dans ce cas il peut tre demand l utilisateur de prendre des m sures appropri es E 4 AcceleRAID 170 Installation Guide Regulatory Information Underwriters Laboratories Statement and Warning C UL US MYLEX CORP LTE 32JK File E178007 LISTED Manual No 775064 E 5 Underwriters Laboratories Statement and Warning E 6 AcceleRAID 170 Installation Guide Glossary AcceleRAID The AcceleRAID family features high performance cost effective Ultra SCSI Ultra2 SCSI LVD and Ultra 160 SCSI to PCI RAID controllers and adapters for high end desktops workstations and entry level and mid range servers AcceleRAID controllers support PCI based motherboards with embedded SCSI chips and systems that have a PCI expansion slot designated for add in RAID controllers The AcceleRAID family consists of the 150 200 250 352 160 170 and 170LP controllers The 150 200 and 250 products can utilize the on board SCSI chips of servers and use SCSI interrup
31. eRAID 170 Installation Guide Installation Connectors LEDs and Jumpers There is one external and one internal Ultra 160 SCSI connector supported on the AcceleRAID 170 controller as shown in Figure 2 1 and labeled as CH 0 The AcceleRAID 170 controller has three LEDs on the front side as shown in Figure 2 2 and described in Table 2 1 The LEDs indicate SE single ended LVD and FAIL modes SCSI jumpers should normally be set to their default settings no adjustments are needed Default jumper locations are shown in Figure 2 3 and are described in Table 2 2 When you have checked the termination requirements completed the connections of your desired SCSI devices and other possible devices such as a CD ROM drive or a tape drive close your system with the cover PCI Hotplug W Note Please see Appendix C for information on how to implement the Hotplug feature for your system s requirements Manual No 775064 2 5 Connectors LEDs and Jumpers Figure 2 1 AcceleRAID 170 Controller Channel Connectors D1 D2 D4 eel NM RARIT PETE VIII Figure 2 2 AcceleRAID 170 LEDs Table 2 1 LED Descriptions D1 SE Single Ended D2 LVD Low Voltage Differential D4 Fail Processor Self Test 2 6 AcceleRAID 170 Installation Guide Installation JP2 Ji1__ JP6 JP7 P Aun Figure 2 3 AcceleRAID 170 Jumper Locations Table 2 2 AcceleRAID 170 Jumper D
32. ernal 2 13 Internal or External only 2 12 Termination Both Internal and Exter nal Devices Standard 2 13 Termination Only Internal or External Devices Standard 2 12 Termination disabled 2 13 Termination enabled 2 12 UL Statement E 5 User supplied Items 1 3 1 5 AcceleRAID 170 Installation Guide MINWLEX AcceleRAID 170 Problem Report Customer Identification AcceleRAID 170 Identification Purchase Date Invoice Number Serial Number Chnls Cache Firmware Ver BIOS Ver Make Model Size Type of Phone Number Fax Number System Information Motherboard CPU Speed BIOS Ver Video Adapter Network Card MB Memory Operating Sys Other Disk Ctrl Other Cards Pack Configuration System Drive Configuration Indicate in matrix below 1 2 for member of pack 1 pack 2 respective System Size RAID Write ly Indicate S T C or O for Standby Tape CDROM and other drives Drive Level Back Thru SCSI ID Problem Description This DPR form has been included with your Mylex product as a convenience to both you and our Technical Services Department If filled out completely this will greatly assist Mylex personnel in quickly resolving any technical problems or questions you may have Use the Mylex fax number 510 745 7715 to transmit this form to the Technical Servi
33. escriptions Ji Manufacturing test point JP2 Maintenance mode JP6 Cache dirty monitor cache write back LED header JP7 BSY SCSI activity LED header Manual No 775064 2 7 Installation Process Installation Process Installing the Controller Follow these installation steps 1 Choose any available 32 bit or 64 bit PCI slot as shown in Figure 2 4 E p n N AZ 32 bit PCI slots Figure 2 4 Choose an Available PCI Slot 2 Remove the metal cover plate from the slot s access port at the back of the cabinet usually by releasing the black clip as shown in Figure 2 5 uo v by releasing the black clip E Figure 2 5 Remove the Metal Plate 2 8 AcceleRAID 170 Installation Guide Installation A Caution Be sure to wear a ground wrist strap at all times 3 Handling the AcceleRAID 170 controller by the edges remove it from the anti static bag as shown in Figure 2 6 Figure 2 6 Remove the Controller from the Anti static Bag 4 Plug install the controller firmly into any 32 bit or 64 bit PCI slot as shown in Figure 2 7 Ground wrist strap Figure 2 7 Plug the Controller into any 32 bit or 64 bit PCI Slot Manual No 775064 2 9 Installation Process Preparing the SCSI Drives To prepare the drives for installation follow these steps 1 Remove any terminators attached to the drive or set any drive termination jumpers to the disabled position 2 Set the SCSI IDs on the d
34. essages B 1 Manual No 775064 Index aborted installation B 2 Drive Check B 1 drive check B 1 Start up B 1 start up B 1 system reboot or power down B 3 External connector 2 12 F FCC Class B compliance E 1 Declaration of conformity E 2 I Installation 2 1 abort message B 2 Before You Begin 2 2 cables 2 10 Checklist 2 4 controller 2 8 SCSI device IDs 2 14 SCSI drives 2 10 termination 2 10 Internal connector 2 12 Internal drive configuration 2 12 Introduction 1 1 D 1 d Jumper Descriptions 2 7 Jumpers 2 5 L LED Descriptions 2 6 LEDs 2 5 logical drives 1 2 LVD Mode 2 15 M Mixing SCSI Drives 2 16 O On board termination disable 2 13 Index 1 On board termination enable 2 12 operating system support 1 3 P PCI Hot Plug C 1 Implementation C 1 Introduction C 1 NetWare C 1 Windows 2000 C 3 Windows NT C 3 physical drives 1 2 product description 1 1 R RAID EzAssist 3 4 RAID levels supported 1 2 Regulatory Information E 1 S Safety 2 3 SAF TE D 1 SCSI cables 2 10 SCSI connector 2 10 SCSI drives preparing 2 10 SCSI ID numbers 2 14 SCSI IDs 2 14 SCSI Termination 2 11 SES D 2 Single ended Mode 2 15 Specifications A 1 controller A 1 environmental A 2 Standard Package Contents 1 4 standard package contents 1 4 Standard PCI slot 2 4 Start up error messages B 1 troubleshooting 3 5 System Power Down B 3 System Reboot B 3 T Termination 2 10 2 11 Index 2 Internal and Ext
35. fINYLEX MOVING DATA gt SMARTER AcceleRAID Installation Guide AcceleRAID 170 PCI to Ultra 160 SCSI RAID Controller P N 775064 01 08P4093 TIVE MOVING DATA SMARTER AcceleRAID 170 PCI to Ultra 160 SCSI RAID Controller Installation Guide Part Number 775064 01 08P4093 Copyright 2000 Mylex Corporation All Rights Reserved All contents of this manual are copyrighted by Mylex Corporation The information contained herein is the exclusive property of Mylex Corporation and shall not be copied transferred photocopied translated on paper film electronic media or computer readable form or otherwise reproduced in any way without the express written permission of Mylex Corporation Greetings Thank you for purchasing the Mylex AcceleRAID 170 disk array controller Requests for technical information about this and other Mylex Corporation products should be made to your Mylex authorized reseller or Mylex marketing representative Please Notice IBM Mylex AcceleRAID Global Array Manager GAM and RAID EzAssist are trademarks or registered trademarks of International Business Machines Corp and its subsidiaries Microsoft MS DOS Windows 95 Windows 98 Windows NT and Windows 2000 are registered trademarks of Microsoft Corporation Novell and NetWare are a registered trademarks of Novell Corporation SCO and UnixWare are registered trademarks of Santa Cruz Operations Other names that are trademarks m
36. ftware Kit included with the AcceleRAID 170 controller support many other popular operating systems see the PCI Disk Array Controller Drivers Installation Guide and User Manual Manual No 775064 1 3 Standard Package Contents Standard Package Contents The following items are supplied with the standard shipping package Hardware e AcceleRAID 170 Disk Array Controller with documentation included on the CD ROM and a printed Quick Installation Guide e Standard DIMM Module 32MB 64MB or 128MB ECC Software e On board RAID EzAssist disk array controller configuration utility with documentation on CD ROM and a printed Quick Configuration Guide e Software Kit Driver diskettes with documentation on CD ROM and a printed PCI Drivers Installation Guide e Global Array Manager GAM Server and Client software and documentation on CD ROM AcceleRAID 170 PCI to Ultra 160 SCSI RAID Controller Printed A CD ROM with Diskettes install Guides with Additional Hardware HW Dri and Software Manuals Quick rivers Install Guide pa lt and GAM RAID N Software EzAssist Quick Config Guide PCI q E Drivers Install Guide N Figure 1 2 Standard Package Contents 1 4 AcceleRAID 170 Installation Guide Introduction User supplied Items The following user supplied items are required to perform this installation IBM PC compatible host system with PCI slot PCI 2 2 compl
37. gh and data low signal lines to increase transmission distances over those of single ended conventional SCSI signaling lines LVD allows for cable lengths of up to 12 meters approximately 39 feet with up to 15 devices LVD also lowers noise power usage and amplitude LVD differs from conventional differential signaling in that only positive and negative values are distinguished not voltage levels Other advantages are that LVD devices consume less power and can sense single ended devices on the bus and revert to single ended signaling Devices need to be Ultra2 SCSI LVD devices in order to take advantage of the LVD signaling Mylex AcceleRAID eXtremeRAID and DAC FL controllers are LVD controllers Megabit A million bits used as a common unit of measure relative to time in seconds as an expression of a transmission technology s bandwidth or data transfer rates Megabits per second Mbps is a frequent measure of bandwidth on a transmission medium Megabyte 270 1 048 576 bytes One megabyte can store more that one million characters Abbreviated as M or MB Mirrored Cache A cache memory that has duplicate data from another controller In the event of failure of the original controller the second controller can take the cached data and place it on the disk array Mirrored Hard Drive Two hard drives the computer sees as one unit Information is stored simultaneously on each drive If one hard disk drive fails the other co
38. gure 2 10 for an example of an external drive configuration III SS LI Il Internal Drive Configuration Figure 2 9 Termination with Internal Drive Configuration E MT SS LI Il T External Drive Configuration Figure 2 10 Termination with External Drive Configuration AcceleRAID 170 Installation Guide Installation 2 Termination Both Internal and External Devices Check that the drive channel is properly terminated according to the drawing below If the controller is in the middle of the SCSI bus it automatically disables on board termination If some SCSI devices on the channel are connected to the internal connector and some are connected to the external connector on the same channel the two ends of the SCSI bus farthest from the controller must each be terminated See Figure 2 11 for an example of a combined internal and external drive configuration Notice that they are on the same channel W Note It is better to terminate the ends of the SCSI bus itself than it is to terminate the end devices on the bus This allows hot swap devices to be added or removed from the SCSI bus without affecting termination W Note The only devices controlled by the RAID configuration are the ones physically connected to the AcceleRAID 170 controller
39. iant Network operating system software as required SCSI cables to connect the controller and disk arrays Static grounding strap or electrostatic discharge ESD safe work area Disk array enclosure or equivalent with SCSI disk drives Manual No 775064 1 5 User supplied Items 1 6 AcceleRAID 170 Installation Guide Chapter 2 Installation This chapter describes Before You Begin Safety Considerations Installation Checklist Connectors LEDs Jumpers Installation Process controller SCSI Termination SCSI IDs SCSI Cabling Limitations on Mixing SCSI Drives Mylex disk array controllers are designed to work in a variety of SCSI RAID application environments Certain configuration steps need to be performed prior to installing the controller into a RAID environment Each of the steps described in this chapter are part of the installation process Manual No 775064 2 1 Before You Begin Before You Begin Installing the AcceleRAID 170 single channel RAID controller is no more difficult than installing any 32 bit PCI adapter controller The AcceleRAID 170 single channel controller connects into any PCI 2 2 compliant slot on the motherboard Follow these steps and the installation procedures in this chapter 2 2 W Note Recommended Connect the AcceleRAID 170 into a 32 bit PCI slot to reserve the 64 bit PCI slot for 64 bit controllers although the AcceleRAID 170 will work in a 64 bit slot WARNING Worki
40. ific module OSM which handles higher level OS details and a hardware device module HDM which knows how to communicate with certain devices ISA Industry Standard Architecture a standard bus computer interconnection architecture associated with the IBM AT motherboard It allows 16 bits at a time to flow between the motherboard circuitry and an expansion slot card and its associated device s JBOD Just A Bunch of Disks Drives a number of disk drives usually in an enclosure JBOD implies that the disks do not use RAID technology and function independently All Mylex RAID controllers support JBOD mode Jumper A short piece of electrical conductor encased in plastic used to connect pins on a device to provide settings that the user can change The settings remain constant during operation For example jumpers often set SCSI ID termination and IDE master slave settings Kilobyte 2 9 1 024 Abbreviated as K or KB Logical Drive The logical devices presented to the operating system System drives are presented as available disk drives each with a capacity specified by the Mylex RAID controller G 10 AcceleRAID 170 Installation Guide Glossary Logical Drive States A logical system drive can be Online Critical or Offline Notice that the term online is used for both physical and logical drives LVD Low Voltage Differential a form of SCSI signaling introduced with Ultra2 SCSI Fast40 SCSI uses data hi
41. ility prediction indicator for both the ATA IDE and SCSI hard disk drives Hard disk drives with SMART offer early warning of some hard disk failures so critical data can be protected SNMP Simple Network Management Protocol the protocol governing network management for monitoring network devices and their functions Standard Disk Drive This term refers to a hard disk drive with SCSI IDE or other interface attached to the host system through a standard disk controller Standby Replacement of Disks See also Hot Spare One of the most important features the RAID controller provides to achieve automatic non stop service with a high degree of fault tolerance The controller automatically carries out the rebuild operation when a SCSI disk drive fails and both of the following conditions are true A standby SCSI disk drive of identical size is found attached to the same controller All of the system drives that are dependent on the failed disk are redundant system drives e g RAID 1 RAID 3 RAID 5 and RAID 0 1 Note The standby rebuild will only happen on the SAME DAC960 controller never across DAC960 controllers During the automatic rebuild process system activity continues as normal System performance may degrade slightly during the rebuild process Manual No 775064 G 19 To use the standby rebuild feature you should always maintain a standby SCSI disk in your system When a disk fails the standby disk will aut
42. ives I O requests from higher levels within the operating system and converts those requests to the protocol required by a specific hardware device Dual Active A pair of components such as storage controllers in a failure tolerant storage system that share a task or set of tasks when both are functioning normally When one component of the pair fails the other takes the entire load Dual Manual No 775064 G 5 active controllers also called Active Active controllers are connected to the same set of devices and provide a combination of higher I O performance and greater failure tolerance than a single controller ECC Error Correcting Code a method of generating redundant information which can be used to detect and correct errors in stored or transmitted data EDO Extended Data Output a type of random access memory RAM chip designed to improve the time to read from memory on faster microprocessors such as the Intel Pentium EEPROM Electrically Erasable PROM see EPROM EISA Extended Industry Standard Architecture a bus standard for PCs extending the ZSA architecture to 32 bits and allowing more than one CPU to share the bus Embedded Storage Controller An intelligent storage controller that mounts in a host computer s housing and attaches directly to a host s memory bus with no intervening I O adapter or I O bus EPROM Erasable Programmable Read Only Memory memory which can be erased and re used eX
43. k Ee ER ee SEER EER aks 2 2 Safety Considerations AE 2 3 Installation Checklist ii 2 4 GET READY 4 2 wana etd orks eh ni Goth te de 2 4 GET SEM saci hacia een E ana cee tiers 2 4 GO sesh AI RA ee Se Sate 2 4 Connectors LEDs and Jumpers ae Re Re Re ee ee 2 5 Ne RE erte RE a An ei eae a 2 5 Installation Processi iu iraniani aio ee De ed 2 8 Installing the Controller ee ee Re RA ee Re ee Re RA 2 8 Preparing the SCSI Drives iese i 2 10 SCSI REELE N EE EA E 2 11 SGSI Cabling EER data ee N ee Re ion ee ee aa 2 15 VD e EE EER 2 15 Single ended Mode i 2 15 Limitations on Mixing SCSI Drives 2 16 Narrow with Wide SCSI Drives ee ee Re ee ee ge ee 2 16 LVD with Single ended Drives i 2 16 Manual No 775064 v Chapter 3 Controller Start up ORRE TEE 3 1 Setting BIOS Options ee ee Re ee Re Re ee Re 3 2 BIOS Configuration Utility RAID EZASSISt ees see esse ese ese ee ee ee 3 4 Operating System i 3 4 Operating System Device Drivers iii 3 4 Global Array Manager GAM Server ii 3 4 Global Array Manager GAM Client ee ee ee ee ke Re 3 5 ke of Problems EE RE RE EE EE HOE HO ATA 3 5 Appendix A AcceleRAID 170 Specifications General Hardware Specifications i A 1 AcceleRAID RE EE RE N MEE N EE N A 1 Environmental Specifications esse ee ee Re Re Re Re
44. ks sometimes described as RJ XX a series of telephone connection interfaces receptacle and plug that are registered with the U S Federal Communications Commission FCC The most common telephone jack is the RJ 11 jack which can have six conductors but is usually implemented with four The RJ 11 jack is likely to be the jack that your household or office phones are plugged into from the ordinary untwisted wire sometimes called gray satin or flat wire that people are most familiar with The RJ 45 is a single line jack for digital transmission over ordinary phone wire either untwisted or twisted the interface has eight pins or positions ROM Read Only Memory built in computer memory containing data that normally can only be read not written to ROM contains the programming that allows a computer to be booted up each time you turn it on Unlike a computer s random access memory RAM the data in ROM is not lost when the computer power is turned off a small long life battery in your computer sustains the ROM SAF TE SCSI Accessed Fault Tolerant Enclosure an open specification designed to provide a comprehensive standardized method to monitor and report status information on the condition of disk drives power supplies and cooling systems used in high availability LAN servers and storage subsystems The specification is independent of hardware I O cabling operating systems server platforms and RAID implementation bec
45. lies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation E 2 AcceleRAID 170 Installation Guide Regulatory Information CE Declaration of Conformity Per 89 336 EEC Responsible Party Name Mylex Corporation Address 34551 Ardenwood Boulevard Fremont CA 94555 3607 U S A hereby declares that the product Trade Name AcceleRAID 170 Ultra 160 SCSI RAID Controller Fab 550166 00 Rev A Model Number s A170 1 32NB A170 1 64NB A170 1 128NB conforms to the following specifications Standards EN 50081 1 1992 Emissions EN 55022 1998 Class B ITE radiated and conducted emissions EN 50024 1998 Immunity EN 61000 4 2 1998 Electrostatic Discharge EN 61000 4 3 1998 Radiated Immunity EN 61000 4 4 1995 Electrical Fast Transients Burst EN 61000 4 5 1995 Surges EN 61000 4 6 1996 Conducted Immunity EN 61000 4 11 1994 Supply Dips and Variations Manual No 775064 E 3 Community of Europe C Community of Europe CE mark is rated for the AcceleRAID 170 PCI to Ultra 160 SCSI RAID Controller as follows CISPR 22 Radiated Emission EN55022 Generic immunity standard for the following IEC 801 2 ESD IEC 801 3 Radiated and IEC 801 4 EFT Burst Warning This is a Class B product In a residential environment this product may caus
46. lug The process of adding or removing a device from a bus while transactions involving other devices are occurring over the bus See also PCI Hot Plug Hot Replacement of Disks The design of all Mylex controllers allows for the replacement of failed hard disk drives without interruption of system service In the event of a SCSI drive failure on a properly configured system where the data redundancy features of the controller are used the system generates a message to alert the system operator When a replacement drive becomes available the system operator can remove the failed disk drive install a new disk drive and instruct the G 8 AcceleRAID 170 Installation Guide Glossary controller to rebuild the data on the new drive all without interrupting system operations Once the rebuild is complete the controller will be brought back into a fault tolerant state See also Hot Swap Hot Spare A physical disk drive not part of a system drive that the controller can use to automatically rebuild a critical system drive The hot spare drive must have at least as much capacity as the largest disk drive in the array or the rebuild may not start See also Hot Standby Hot Standby A redundant component in a fault tolerant storage system that has power applied and is ready to operate but which does not perform its task as long as the primary component for which it is standing by is functioning properly See also Hot Replacement of
47. message If you get this message boot and run RAID EzAssist the on board Mylex Disk Array Configuration Utility See Chapter 3 to recover from the error For more information refer B 2 AcceleRAID 170 Installation Guide AcceleRAID 170 Error Messages to the RAID EzAssist Configuration Utility User Reference Guide or RAID EzAssist Configuration Utility Quick Configuration Guide System Reboot or Power Down Status messages may also be available from LED indicators connected to the controller The Cache Dirty indicator is especially important when preparing to power down the system A Caution It is very important to make sure that all data is written to the disk before rebooting or powering down the system or you may lose data It is always a good idea to wait for 60 seconds or until all activity stops before resetting or rebooting the system The AcceleRAID 170 controller is a caching controller with 32MB 64MB or 128MB of cache memory when the system reports that a write command was completed data may still be in the cache waiting to be written to the disk drives Manual No 775064 B 3 System Reboot or Power Down B 4 AcceleRAID 170 Installation Guide Appendix C PCI Hot Plug Introduction PCI Hot Plug is a feature that allows a PCI card to be replaced while the host system is still running The term Hot Plug is somewhat misleading the PCI card cannot simply be pulled out of the host system while the card is
48. ng a system level utility or after a rebuild Each state is described below Ready A SCSI disk drive is in a ready state if it is powered on and is available to be configured during the current session but remains unconfigured Online A SCSI disk drive is in an online state if is powered on has been defined as a member of a drive group and is operating properly Standby A SCSI disk drive is in a standby state if it is powered on is able to operate properly and was NOT defined as part of any drive group Manual No 775064 G 17 Offline A SCSI disk drive is in a offline state if it is not present if it is present but not powered on or if it failed to operate properly and was offline by the controller When the controller detects a failure on a disk it kills that disk by changing its state to offline An offline SCSI drive can also be present and powered on but a SCSI drive in a offline state does not participate in any I O activity no commands are issued to dead drives Rebuild A SCSI disk drive is in a rebuild state while it is in the process of being rebuilt During this process data is regenerated and written to the disk drive This state is also referred to as Write Only WRO SCSI Interrupt Steering Logic SISL Architecture that allows a RAID controller such as AcceleRAID 150 200 or 250 to implement RAID on a system board embedded SCSI bus or a set of
49. ng with the system covers off and power applied to the system can result in shock and serious injury Power off the system and disconnect the power cables before starting the installation Refer to the instructions provided in your system documentation Do not disconnect cables or power cords while system power is on Read all of the instructions in this chapter completely before proceed ing Follow the Notes Cautions and Warnings described in this manual and marked on the equipment Follow electrostatic discharge ESD safety procedures Use a grounded wrist strap or ESD safe footwear and work in an ESD safe area Perform a safety check of the installation before powering on the system e Make sure that the cabling Pin 1 location is correct and that all cables are firmly seated in the connectors e Make sure all SCSI conventions cable type cable length termination etc are correct see Table 2 3 on page 2 15 AcceleRAID 170 Installation Guide Installation Safety Considerations Be sure to observe the following precautions before beginning the controller installation procedure A Caution Anti static handling procedures are required Leave the controller in its anti static bag until it is time to plug the controller into the PCI slot The use of a grounded wrist strap and other ESD protective measures are highly recommended WARNING Disconnect the system from the electrical wall outlet before opening the s
50. nly access the first 2 GB of any drive that has been configured on the controller This is adequate in most applications since BIOS is only used to boot the operating system However it does mean the operating system must be installed in the first 2 GB of the capacity of the configured drive If this is not adequate the BIOS geometry can be changed to 8 GB allowing the BIOS to access the first 8 GB of capacity As a rule of thumb select 8 GB geometry if the following two cases apply e You have a system RAID drive that is greater than 2 145 GB in capacity e The DOS Windows compatible partitions could be located in an area above the first 2 145 GB Otherwise the 2 GB option is fine Manual No 775064 3 3 BIOS Configuration Utility RAID EzAssist W Note In the event that the RAID controller needs to be replaced the current drive geometry will be restored from the configuration on disk COD BIOS Configuration Utility RAID EzAssist RAID EzAssist is the on board BIOS Configuration Utility used to build several types of RAID configurations Refer to the RAID EzAssist Configuration Utility User Reference Guide or RAID EzAssist Configuration Utility Quick Configuration Guide Operating System If an operating system is not already installed on the system it can be installed on a system disk on the controller The operating system is installed along with the operating system device drivers Operating System Device
51. nt with the data blocks the controller corrects the inconsistencies See also Consistency Check PCI Peripheral Component Interconnect a standardized architecture that provides a high speed data path between peripherals and the CPU PCI is a high performance backplane interface expansion slot architecture found on PCs Macintoshes and UNIX workstations PCI cards are portable across hardware platforms with the help of various software drivers PCI Hot Plug A feature that allows for the printed circuit board PCB to be replaced without powering down the entire system an essential feature in newer PCI based PCs Mylex DAC960PG DAC960PI AcceleRAID and eXtremeRAID products are all PCI Hot Plug compatible See also Hot Plug Manual No 775064 G 13 Physical Device Any device connected to some kind of hardware For example SCSI disk fibre disk network disk RAM disk etc Physical Disk Drive A single hard disk drive Each physical disk drive is assigned a unique identification address PROM Programmable Read Only Memory memory that users with appropriate instructions can reprogram Protocol A special set of rules for transmitting data between two devices in a telecommunication connection RAID Redundant Array of Independent Disks a collection of two or more disks working together in an array DAC960 controllers implement this technology to connect up to 15 SCSI devices per channel The different forms of RAID
52. ntains all of the cached data and the system can continue operating Manual No 775064 G 11 Mirroring Refers to the complete duplication of data on one disk drive to another disk drive this duplication occurs simultaneously with each write operation each disk will be the mirror image of the other also known as RAID Level 1 see RAID levels All Mylex RAID controllers support mirroring M O R E Mylex Online RAID Expansion an advanced configuration mode that allows expansion of any unconfigured or hot spare drive into the expandable drive group while the controller is online with the host For example a system using a five disk drive RAID set can add another disk drive to create a six disk drive RAID set The M O R E operation can be performed on all RAID levels except JBOD Mylex s Global Array Manager GAM supports two MORE features Expand Capacity allows logical drive expansion for FFx external controllers only Expand Array allows array expansion for both PCI and FFx external controllers During the RAID set expansion process which includes re striping data from the old smaller RAID set to the new expanded RAID set the controller continues to service host I O requests MTBF Mean Time Between Failures the average time from start of use to failure in a large population of identical systems computers or devices Narrow SCSI 8 bit wide standard SCSI Compare with Fast SCSI Fast Wide SCSI Ultra SCSI Ultr
53. o refers to one SCSI bus on a disk array controller Each disk array controller provides at least one channel Conservative Cache An operating mode in which system drives configured with the write back caching policy are treated as though they were configured for write through operation and the cache is flushed Consistency Check A process that verifies the integrity of redundant data A consistency check on a RAID 1 or RAID 0 1 configuration mirroring checks if the data on drives and their mirrored pair are exactly the same For RAID Level 3 or RAID Level 5 a consistency check calculates the parity from the data written on the disk and compares it to the written parity A consistency check from Mylex utilities such as Global Array Manager M GAM or RAID EzAssist M give the user the ability to have a discrepancy reported and corrected See also Parity Check Data Transfer Rate The amount of data per unit of time moved through a channel or I O Bus in the course of execution of an I O load usually expressed in MBps DB 9 A type of connector used for serial interfaces Device Driver A software program that controls a particular type of device attached to a computer such as a RAID subsystem printer display CD ROM disk drive etc DIMM Dual In line Memory Module a circuit board that has memory chips Instead of installing two SIMMs for the 64 bit memory path on a Pentium processor one DIMM can be installed See also SIM
54. omatically replace the failed drive and the data will be rebuilt The system administrator can disconnect and remove the bad disk and replace it with a new disk The administrator can then make this new disk a standby The standby replacement table has a limit of 8 automatic replacements in any session from power on reset to the next power off reset When the limit of 8 is reached and a disk failure occurs the standby replacement will occur but will not be recorded in the replacement table To clear the standby replacement table reboot the system from a DOS bootable floppy run the configuration utility and select the option view update configuration from the main menu A red box labeled Drive Remap List will be displayed Selecting the box will allow you to continue You should save the configuration without making any changes and exit the configuration utility This will clear the replacement table You may now proceed to boot your system and continue normal operations In normal use the replacement table limit of 8 should not cause any problems Assuming that a disk fails about once a year drives we support generally come with a 5 year warranty the system would run continuously for a minimum of eight years before the table would need to be cleared Stripe Order The order in which SCSI disk drives appear within a drive group This order must be maintained and is critical to the controller s ability to rebuild
55. operating without risk to the card the system and the data on the system In order to replace a Hot Plug PCI card a software command must be invoked to power off the card slot before the card can be removed After the software indicates that the card is unloaded and the slot is powered off a physical card retainer switch must be released to allow the card to be removed from the PCI bus At this point the card can be replaced At this time Mylex only supports Hot Replacement of PCI Hot Plug cards Future releases are planned to support Hot Upgrade or Hot Expansion adding a card Implementation Aside from the general terms previously mentioned PCI Hot Plug implementation is specific to the host hardware platform and the operating system running on it Refer to your host system s documentation for specific details on how to implement PCI Hot Plug NetWare When NetWare is installed on a system capable of PCI Hot Plug the following four modules are installed e cpqsbd nlm This is the Compaq system bus driver a different driver will be needed for a platform other than Compaq e ncm nlm This is the Novell Configuration Manager which manages the PCI Hot Plug system e nemcon nlm This is the Hot Plug user interface called the Novell Configuration Manager Console Manual No 775064 C 1 Implementation e odineb nlm This is a module combining the Open Data link interface and the Novell Event Bus NEB The NEB controls
56. pletion signal being sent to the host operating system as soon as the cache not the disk drive receives the data to be written The target disk drive will receive the data at a more appropriate time in order to increase controller performance An optional cache battery backup can be used to protect against data loss as a result of a power failure or system crash Write Through Cache A caching strategy whereby data is written to the SCSI drive before a completion status is returned to the host operating system This caching strategy is considered more secure since a power failure will be less likely to cause loss of data However a write through cache results in a slightly lower performance G 22 AcceleRAID 170 Installation Guide A Aborted Installation B 2 AcceleRAID 170 1 1 capabilities 1 2 channels 1 2 features 1 2 operating system support 1 4 specifications A 1 Automatic circuitry 2 12 B BIOS CD ROM Boot option 3 2 Enable 8 GByte or 2 GByte Drives 3 3 Enable Disable 3 2 BIOS Configuration Utility 3 4 BIOS Options setting 3 2 BIOS Options Sequence 3 1 C Cables 2 10 Cabling 2 15 CE Community of Europe E 4 Declaration of conformity E 3 Checklist for installation 2 4 Connectors 2 5 Controller features 1 2 D Disabled on board termination 2 13 Drive channel Standard 2 12 2 13 Drive Check Error Messages B 1 E Enabled on board termination 2 12 Enclosure Management D 1 End device termination 2 12 Error M
57. rives 3 Enable term power on the drives Refer to the drive manual for specific information about drive configuration settings Installing Cables and Setting Termination Please refer to Table 2 3 on page 2 15 for SCSI Formats and Bus Length requirements 4 Connect the SCSI cable from the internal disk drive to the SCSI connector on the AcceleRAID 170 controller as shown in Figure 2 8 The controller is already connected to the system board It AcceleRAID 170 I I Figure 2 8 Connecting Disk Drives to the AcceleRAID 170 2 10 AcceleRAID 170 Installation Guide Installation W Note In order to ensure an error free environment the proper cable type designed for a certain SCSI speed must be used please refer to Table 2 3 on page 2 15 W Note To avoid problems caused by mixing drive types please refer to Limitations on Mixing SCSI Drives on page 2 16 SCSI Termination Each end of a SCSI bus must be terminated to maintain proper voltage levels for SCSI control and data signals The device used for this purpose is called a terminator Termination devices can be built into a controller a SCSI device or attached to the end of a SCSI bus The AcceleRAID 170 controller is equipped with automatic SCSI bus termination circuitry If the controller is at the end of a SCSI bus it automatically enables on board termination The controller can also de
58. ssage posted by the firmware during the start up sequence If a message is found one of the following errors displays on screen and the installation process aborts AcceleRAID 170 fatal error Memory test failed AcceleRAID 170 fatal error Command interface test failed AcceleRAID 170 hardware error Run Diagnostics to pinpoint error AcceleRAID 170 firmware checksum error Reload firmware Drive Check Error Messages If the firmware finds a valid controller configuration but it doesn t match the SCSI drives currently installed one or more of the following messages display Then the BIOS prints out the following AcceleRAID 170 Configuration Checksum error Run configuration utility If the firmware detects that during the last power cycle the system was turned off abruptly leaving some incomplete write operations the following message appears Recovery from mirror race in progress WARNING Dead SCSI devices Channel Target x y The following messages may also appear AcceleRAID 170 cannot recover from Mirror Race Some system drives are inconsistent Manual No 775064 B 1 Installation Abort During the initialization if the firmware fails to respond to the BIOS inquiry within two minutes the following message displays AcceleRAID 170 not responding no drives installed The BIOS then inquires the firmware for its version number and other information and displays the following message AcceleRAID 170 Firmware
59. t steering logic SSL In addition the 150 and 250 products can work in any PC or server with a PCI slot whether or not they have SCSI interrupt steering logic The 150 and 250 have one Ultra2 SCSI LVD channel Active Termination A type of terminator used in current SCSI channel setups which utilizes an active voltage regulator thus closely matching cable impedance Application Server A centralized computer that holds and distributes application programs to users ASIC Application Specific Integrated Circuit a chip created for a specific application Array Multiple disk drives configured to behave as a single independent disk drive See also Disk Array Asynchronous Data Transfer Data transfer not synchronized to a set timing interval Asynchronous devices must wait for a signal from the receiving device after each byte of data Manual No 775064 G 1 Automatic Rebuild Mylex controllers provide automatic rebuild capabilities in the event of a physical disk drive failure The controller performs a rebuild operation automatically when a disk drive fails and both of the following conditions are true A standby or hot spare disk drive of identical or larger size is found attached to the same controller All system drives that are dependent on the failed disk drive are configured as a redundant array RAID 1 RAID 3 RAID 5 or RAID 0 1 During the automatic rebuild process system activity continues however sys
60. tect whether single ended SE or low voltage differential LVD termination is required and can automatically configure the appropriate termination type The end of the SCSI bus farthest from the controller must be terminated if SCSI devices are connected to the SCSI channel See Figure 2 9 for an example of a SCSI device configuration connected to the internal SCSI channel Note When connecting SCSI devices it is better to terminate the ends of the SCSI bus itself rather than to terminate the end devices on the bus This allows hot swap devices to be added or removed from the SCSI bus without affecting termination Manual No 775064 BA Installation Process Termination Only Internal or Only External Devices Check that the drive channel is properly terminated according to drawings below or skip to Step 2 if using both internal and external devices The AcceleRAID 170 is equipped with automatic SCSI termination circuitry which handles automatic enabling and disabling of on board termination For example if the controller is at the end of the SCSI bus it automatically enables on board termination If all the SCSI devices on a channel are connected either to the internal connector or to the external connector the end of the SCSI bus farthest from the controller must have a terminator installed the controller automatically enables on board termination See Figure 2 9 for an example of an internal drive configuration See Fi
61. ted by the host The SAF TE processor acts only in target mode The SAF TE processor is periodically polled by the host approximately every 2 to 10 seconds Manual No 775064 D 1 SES SES The AcceleRAID 170 supports SES SCSI Enclosure System cabinets Please refer to the documentation supplied with your SES enclosure cabinet for details on how to take advantage of this feature D 2 AcceleRAID 170 Installation Guide Appendix E Regulatory Information FE class B Compliance THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS 1 THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE AND 2 THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION All external connections should be made using shielded cables This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference in residential installations This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is not guarantee that interference will not occur in a particular installation If this equipment does cause interference to radio or television equipment reception
62. tem performance may degrade slightly BBU Battery Backup Unit provides a battery backup for data currently stored in the on board cache memory during intermittent power loss to the controller In the event of a power failure the BBU can hold data in the cache for a certain amount of time Once power is restored the data can be saved to a disk BIOS Basic Input Output System software that determines what a computer can do without accessing programs The BIOS contains all the code required to control the keyboard screen drives serial communications and other functions Usually the BIOS is built into a ROM chip installed on the motherboard so that the BIOS will always be available and not affected by disk failure Sometimes the BIOS is recorded on a flash memory chip BIOS Configuration Utility BIOS based Configuration Utility a utility program sequence used upon powerup for configuring various hardware elements in a system Booting or Bootstrapping Loading operating system code and other basic software from a disk or other storage device to help a computer start Burst Data Rate The speed at which a specific amount of data is sent or received in intermittent operations G 2 AcceleRAID 170 Installation Guide Glossary Bus A set of conductors that connect the functional units in a computer and are the channels through which data is transferred There are several types of bus channels including serial parallel P
63. the operating system is loaded Refer to your system or server vendor s PCI Hot Plug documentation A Caution GAM drivers can stop PCI Hot Plug Boards from unloading If this problem occurs stop GAM and unload the GAM drivers before attempting to unload the PCI Hot Plug controller Known Windows NT Issues e Mylex Software Kit 2 1 or greater is required to support your system vendor s PCI Hot Plug utility e The macdisk sys driver should not be loaded with a Mylex PCI Hot Plug board if macdisk sys is loaded the system will hang upon shutdown e When you install a Mylex controller as a boot device and a Mylex Driver has been installed prior to the installation of the Windows NT OS NT will not recognize the Mylex controller as a PCI Hot Plug device To fix this the driver must be reinstalled and the system rebooted This problem occurs because PCI Hot Plug information does not get loaded into the Windows NT registry for the Mylex controller upon installation of Windows NT Windows 2000 Windows 2000 supports the PCI Hot Plug capability No additional software is required Please refer to the Windows 2000 documentation for instructions on how to use the PCI Hot Plug feature Manual No 775064 C 3 Implementation Windows 64 The released version of Windows 64 is intended to support the PCI Hot Plug capability No additional software is required Please refer to the Windows 64 documentation for instructions on how to
64. tial damages in certain transactions therefore this statement may not apply to you Also you may have other rights which vary from jurisdiction to jurisdiction Information in this publication is subject to change without notice and does not represent a commitment on the part of Mylex Corporation Changes may be made periodically to the information herein these changes will be incorporated in new editions of the publication Mylex Corporation reserves the right to make improvements and or changes at any time in the product s and or program s described in this publication It is possible that this publication may contain reference to or information about Mylex Corporation products machines and programs programming or services that are not announced in your country Such references or information must not be construed to mean that Mylex Corporation intends to announce provide or make available such Mylex products programming or services in your jurisdiction About This Manual This installation guide covers hardware set up and configuration procedures necessary for the installation of a Mylex AcceleRAID 170 single channel RAID controller Chapter 1 describes the controller standard package contents and user supplied items necessary for installation Chapter 2 describes the steps to be performed prior to controller installation and the physical installation of the AcceleRAID 170 single channel RAID controller Chapter 3 descri
65. tremeRAID A family of Mylex RAID controllers which offer uncompromising fault tolerance data availability superior configuration and management flexibility The eXtremeRAID family incorporates the latest performance technology by using the fastest processor on a PCI based RAID solution a 233 MHz RISC processor up to four 160MB sec Ultra 160 SCSI Ultra3 SCSI channels and a 64 bit PCI interface to provide eXtreme performance for servers The eXtremeRAID controllers use driver technology with which Mylex has won tpm C benchmarks worldwide With this technology the G 6 AcceleRAID 170 Installation Guide Glossary eXtremeRAID 1100 2000 and 3000 provide the highest performance and most flexible RAID solution available today Failback Restoring a failed system component s share of a load to a replacement component Failover A mode of operation for failure tolerant systems in which a component has failed and a redundant component has assumed its functions Failover Port A fibre channel port capable of assuming I O requests for another failed port on the loop During normal operation a failover port may be active or inactive Failover ports assume the same loop ID and optionally the same node from the failed port Failure A detectable physical change in hardware requiring replacement of the component Fast SCSI Devices that increases the speed at which data is transferred as opposed to the volume of data These devi
66. ve up to 15 attached SCSI devices target ID from 0 to 6 and 8 to 15 Terminator A part used to end a SCSI bus Termination A method of matching transmission impedance of a bus to eliminate signal reflections from the physical ends of the bus Transfer Rate The rate at which data moves between the host computer and storage input or output devices usually expressed as a number of characters per second Ultra 160 SCSI Ultra3 SCSI The newest in SCSI technology Ultra 160 SCSI increases performance reliability and manageability With transfer rates of 160 MBps cyclical redundancy check and the capability to automatically test the interface s performance level the Ultra 160 SCSI can keep up with fibre channel technology Manual No 775064 G 21 Ultra SCSI Fast 20 SCSI A high performance SCSI protocol that has a bus speed of 20 Megabytes per second in the Narrow SCSI configuration and 40 MB in the Wide SCSI Fast 20 Wide SCSI configuration Ultra Wide SCSI 16 bit wide Ultra SCSI IS devices double the speed of narrow SCSI Ultra2 SCSI Fast 40 SCSI A higher performance SCSI protocol than Ultra SCSI Ultra2 SCSI has a bus speed of 40 Megabytes per second in the Narrow SCSI configuration and 80 Megabytes in the Wide SCSI Wide Ultra2 SCSI configuration Wide SCSI A SCSI protocol and signal definition providing 16 bit wide data path Write Back Cache A caching strategy whereby write operations result in a com
67. which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures 1 Reorient or relocate the receiving antenna 2 Move the equipment away from the receiver 3 Plug the equipment into an outlet on a circuit different from that to which the receiver is powered If necessary the user should consult the dealer or an experienced radio television technician for additional suggestions A Caution Only equipment certified to comply with Class B computer input output devices terminals printers etc should be attached to this equipment Any changes or modifications to the equipment by the user not expressly approved by the grantee or manufacturer could void the user s authority to operate such equipment Manual No 775064 E 1 Declaration of Conformity FE Declaration of Conformity Per FCC Part 2 Section 2 1077 a Manufacturer s Name Mylex Corporation Manufacturer s Address 34551 Ardenwood Blvd Fremont CA 94555 3607 USA Declares that the product Product Name AcceleRAID 170 Ultra 160 SCSI RAID Controller Model Number s A170 1 32NB A170 1 64NB A170 1 128NB Year of Manufacture 2000 Conforms to the following Product Specification s FCC CFR 47 Part 15 Subpart B Section 15 107 e and Section 15 109 g Class B Digital Device tested per ANSI C63 4 1992 procedures Supplementary Information This device comp
68. ystem cabinet Working with the system covers off and power applied to the system can result in shock and serious injury Manual No 775064 2 3 Installation Checklist Installation Checklist GET READY W Note It is recommended that you wear a grounded wrist strap when performing hardware installation procedures Power off your computer system Decide which available PCI slot will be used 1 2 3 Remove the plate from the I O access port to the PCI slot 4 Remove the AcceleRAID 170 controller from the anti static bag GET SET W Note Review Figure 2 1 Figure 2 2 and Figure 2 3 Table 2 1 and Table 2 2 to get familiar with the layout of the AcceleRAID 170 controller and the Connectors Jumpers and LED descriptions Di Plug the AcceleRAID 170 controller into a standard PCI 2 2 compliant slot 6 Secure the AcceleRAID 170 controller s mounting bracket with a screw or retainer 7 Connect the SCSI cable s from your drive s and or device s to the SCSI channel 8 Check SCSI termination for internal and or external devices 9 Check disk drives Be sure termination is set to the disabled position on any disk drive s that will not be terminated For more information see the documentation that accompanied the disk drives 10 Set SCSI ID on the disk drive s 11 ____ Enable termination power on disk drive s 12 Safety check the installation GO 13 Go to Chapter 3 Controller Start up 2 4 Accel

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