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Sun StorEdge T3 and T3+ Array Field Service Manual

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1. temperatures lt 43 gt fru stat CTLR STATUS STATE ROLE PARTNER TEMP ulctr ready enabled master u2ctr 34 5 U2CET ready enabled alt master ulctr 35 55 DISK STATUS STATE ROLE PORT1 PORT2 TEMP VOLUME uldl ready enabled data disk ready ready 33 vO uld2 ready enabled data disk ready ready 30 vO uld3 ready enabled data disk ready ready 29 v0 uld4 ready enabled data disk ready ready 27 vO uld5 ready enabled data disk ready ready 24 v0 uld6 ready enabled data disk ready ready 26 vO uld7 ready enabled data disk ready ready 25 vO uld8 ready enabled data disk ready ready 31 vO uld9 ready enabled data disk ready ready 34 vO u2d1 ready enabled data disk ready ready 31 v1 u2d2 ready enabled data disk ready ready 31 vi u2d3 ready enabled data disk ready ready 30 v1 u2d4 ready enabled data disk ready ready 26 vi u2d5 ready enabled data disk ready ready 34 v1 u2d6 ready enabled data disk ready ready 26 vi u2d7 ready enabled data disk ready ready 28 v1 u2d8 ready enabled data disk ready ready 32 vi u2d9 ready enabled data disk ready ready 27 vi LOOP STATUS STATE MODE CABLE CABLE2 TEMP u211 ready enabled master installed 31 55 u212 ready enabled slave installed SRo RNO ulll ready enabled master installed 31 5 u112 ready enabled slave z installed 35 0 POWER STATUS STATE SOURCE OUTPUT BATTERY TEMP FAN1 FAN2 ulpcul ready enabled line normal normal normal norma
2. ID TYPE VENDOR MODEL REVISION SERIAL ulctr controller card SCI SJ 375 0084 01 0210 000980 u2ctr controller card SCI SJ 375 0084 01 0210 001098 uldl disk drive SEAGATE ST118202FSUN EA29 LKG78761 uld2 disk drive SEAGATE ST118202FSUN EA29 LKG89101 uld3 disk drive SEAGATE ST118202FSUN EA29 LKG86881 uld4 disk drive SEAGATE ST118202FSUN EA29 LKG8 9487 uld5 disk drive SEAGATE ST118202FSUN EA29 LKH31924 uld6 disk drive SEAGATE ST118202FSUN EA29 LKH32009 uld7 disk drive SEAGATE ST118202FSUN EA29 LKG90435 uld8 disk drive SEAGATE ST118202FSUN EA29 LKG82282 uld9 disk drive SEAGATE ST118202FSUN EA29 LKG95302 u2d1 disk drive SEAGATE ST118202FSUN EA29 LKG63405 u2d2 disk drive SEAGATE ST118202FSUN EA29 LKH57340 u2d3 disk drive SEAGATE ST118202FSUN EA29 LKD20515 u2d4 disk drive SEAGATE ST118202FSUN EA29 LKG8 9040 u2d5 disk drive SEAGATE ST118202FSUN EA29 LKG89845 u2d6 disk drive SEAGATE ST118202FSUN EA29 LKG82866 u2d7 disk drive SEAGATE ST118202FSUN EA29 LKG95090 u2d8 disk drive SEAGATE ST118202FSUN EA29 LKG90324 u2d9 disk drive SEAGATE ST118202FSUN EA29 LKG95460 ul11 loop card SCI SJ 375 0085 01 5 01 Flash 001594 ul112 loop card SCI SJ 375 0085 01 5 01 Flash 001579 u211 loop card SCI SJ 375 0085 01 5 01 Flash 001562 u212 loop card SCI SJ 375 0085 01 5 01 Flash 001735 ulpcul power cooling unit TECTROL CAN 300 1454 01 0000 001274 ulpcu2 power cooling unit TECTROL CAN 300 1454 01 0000 001566 u2pcul power cooling unit T
3. Connect loopback plug to HBA and re run test Does it pass Check Intermittent Loop GBIC MIA and fiber cable Does problem persist YES Check GBIC MIA Replace HBA and and fiber cable rerun test to verify Does problem persist that problem is fixed Change Raid Controller in the array FIGURE 3 1 Data Connection Troubleshooting Flow Chart Note that only SBus systems can test with a loopback plug You cannot use a loopback cable with a PCI card 3 4 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 Unable to Telnet to the array from the same subnet Have you ever been able to access this array through the network YES Ensure the network cables are properly connected On Admin host is the correct ENET address in etc ethers file and correct IP address in the etc hosts file Verify that etc nsswitch conf file has ethers and hosts entries before NOTFOUND return Fix network cable and reset the array Can it be accessed NO YES Correct the files and restart rarpd as follows ps eaf grep rarpd Kill the PID and restart with usr sbin in rarpd a Hook up a console serial cable to the array and verify the netmask and IP address with the set command Are they correct Go To Can you access the array Procedure A Senay a YES Set the IP address gt Manual
4. H PPA H PPA H PPA H PPA PAT PAT PAT PAT PAT PAT PAT PAT Chapter 8 Diagnosing and Correcting FC AL Loop Problems 8 7 CODE EXAMPLE 8 5 uld9 0 U 1 U PPATH PPATH pass lt 6 gt disk pathstat u2d1 9 DISK PPATH APATH CPA PATH_POLICY disk pathstat Command Normal Ouput PATH FAI L_POLICY APATH APATH APATH PPATH PPATH PPATH PPATH PPATH PPATH U means Loop 1 path_id 0 is Up 1 U means Loop 2 path_id 1 is Up D D means Loop 1 path_id 0 is Down means Loop 2 path_id 1 is Down PAT PAT PAT PAT PAT PAT PAT PAT PAT PATH_POLICY means the preferred path notice the 3 6 split u2d1 0 U 1 U APA u2d2 0 U 1 U APA u2d3 0 U 1 U APA u2d4 0 U 1 U APA u2d5 0 U 1 U APA u2d6 0 U 1 U APA u2d7 0 U 1 U APA u2d8 0 U 1 U APA u2d9 0 U 1 U APA Where a 0 a a 0 a 1 m PPATH means primary path m APATH means alternate path m CPATH means current path a a FAIL_POLICY is not supported always PATH for path failover vs loop failover Note that disk failover causes CPATH to change to the other loop and disk failback causes CPATH to change to the preferred path 8 2 6 The disk linkstat Command The disk linkstat command returns whether a device port link status regist
5. lt 29 gt disk linkstat uld1 9 path 1 DISK LINKFAIL LOSSSYNC LOSSSIG PROTOERR INVTXWORD INVCRC uldi 1 11 0 0 27 0 uld2 1 1 0 0 12 0 uld3 2 32 0 0 45 0 uld4 1 10 0 0 42 0 uld5 1 1 0 0 12 0 uld6 1 16 0 0 32 0 uld7 1 11 0 0 90 0 uld8 1 2 0 0 12 0 uld9 1 16 0 0 32 0 pass 8 3 Diagnosing an FC AL Loop This section describes how to diagnose an FC AL loop problem This section contains the following sub sections Section 8 3 1 FC AL Loop Problem Indicators on page 8 10 Section 8 3 2 Checking Performance Against Baseline Data on page 8 12 Section 8 3 3 StorTools Message Monitoring on page 8 13 Section 8 3 4 Component Manager Status Indicator on page 8 13 Section 8 3 5 Manual Examination of the syslog File on page 8 13 Section 8 3 6 Example syslog Error Messages on page 8 14 Section 8 3 7 Using CLI Diagnostic Commands on page 8 15 Section 8 3 8 Using the ofdg Diagnostic Utility on page 8 16 8 3 1 FC AL Loop Problem Indicators The following symptoms indicate possible FC AL loop problems 1 The first indication observed by a customer might be performance degradation in the suspect Sun StorEdge T3 array See Section 8 3 2 Checking Performance Against Baseline Data on page 8 12 for more detail 2 A second indication might be StorTools message monitoring from a host that is receiving remote array syslog messages StorTools monitoring can be configured to look for pa
6. Host IP address Gateway IP address Sun StorEdge T3 IP address Sun StorEdge T3 array name TFTP host address OS patch revision level VERITAS DMP release Primary application Sun StorTools release Component Manager release F 2 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 TABLEF 1 Sun StorEdge T3 and T3 array Information Worksheet Continued Management Host Application Host TFTP Host Legend Required Field Optional Field Appendix F Sun StorEdge T3 Array Configuration Worksheets F 3 F 4 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 Glossary A administrative domain Partner groups interconnected controller units that share common administration through a master controller alternate master unit The secondary array unit in a partner group that provides failover capability from the master unit alternate pathing AP A mechanism that reroutes data to the other array controller in a partner group upon failure in the host data path Alternate pathing requires special software to perform this function auto cache mode The default cache mode for the Sun StorEdge T3 array In a fully redundant configuration cache is set to write behind mode In a nonredundant configuration cache is set to write through Read caching is always performed auto disable The
7. lt 12 gt proc list VOLUME CMD_REF PERCENT TIME COMMAND v0 8465 3 1 05 vol recon lt 13 gt proc kill 8465 16 Rerun the ofdg find diagnostic through the suspect loop as described in Step 11 and Step 12 Once the test completes examine and compare the two outputs to insure that the fault has been corrected a If the problem is resolved proceed with Step 18 through Step 17 b If the problem is not resolved proceed with Step 18 through Step 17 and then replace the backplane chassis See Section 8 4 4 Chassis Replacement Procedure on page 8 29 and Section 9 2 Replacing the Chassis Backplane Assembly on page 9 2 17 Remount the volumes lt 14 gt vol mount v0 lt 15 gt vol stat v0 uldl uld2 uld3 uld4 uld5 uld6 uld7 uld8 uld9 mounted 0 0 0 0 0 0 0 0 0 v1 u2d1 u2d2 u2d3 u2d4 u2d5 u2d6 u2d7 u2d8 u2d9 mounted 0 0 0 0 0 0 0 0 0 18 Restart the volume reconstruction with the vol recon command on the replaced disk drive lt 16 gt vol recon uld9 8 28 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 8 4 4 19 20 21 Reconnect the fibre optic cable to the MIAs Re enable Component Manager polling of the unit Consult your Component Manager documentation for details Reset logto and loglevel to the original values noted in Step 9 lt 17 gt set logto lt 18 gt set loglevel 3 Chassis Replace
8. 00 OO OU T O O a Oo R Dovvowovcocovcocvcoco OnSoo0005000500 SOnSO0N05S500500 Dovococovcovcvcvcoo Dbhovocooocococvvcos Dovoocovcovcvcvcoco oO oO CODE EXAMPLE 8 9 _iostat Output for Abnormal Problem Operation DO OOOOOU Mr s Mw s wait actv wsvc_t asvc_t w b device 0 0 0 0 0 0 0 cit6d0 cOt0da0 c0t2d0 c2t7d0 c2t6d0 c3t1da0 c4t2d1 c5t1d1 3 6 2 1 0 1 0 4 0 0 0 1 0 0 4 4 0 5 c5t1d0 abnormal utctr I O 0 c3tldl 0 c4t2d0 4 6 0 37 c6t2d1 normal u2ctr I O 0 0 c6t2d0 s u ODOO6OOooOoo oooo0oo0000 SOOO OOOO O ooo0oo0o000 OOOO oooo0oo0oo00 a E o SE E o E o E e E o B Oo oooo0oo0000 OGOGO OGOGO G oooo0oo0000 O OOOO O ooo0oo0o0000 OOOO OOG oooo0oo000 OOOD O Oo OOO 6 06 Or ore O O 0 0 0 0 We je 1 OCT O H OO OTOT O G Oh Dove onoo oowoo ovoe osoo onoo S000 oooo onoo onoo S000 oooo 0 lt 0 3 S oO oO In the above example if the normal iostat is used as a notification threshold the impacted iostat indicates that there might be a problem in the master ulctr controller in this redundant partner group Sun StorEdge T3 and T3 Array Field Service Manual September 2001 8 3 3 8 3 4 8 3 5 StorTools Message Monitoring If StorTools message monitoring is installed and running it sends email messages indicating problems For example in the case of the performance impact illustrated above the email might have the
9. Auf dieser Seite werden Sicherheitsrichtlinien beschrieben die bei der Installation von Sun Produkten zu beachten sind Sicherheitsvorkehrungen Treffen Sie zu Ihrem eigenen Schutz die folgenden Sicherheitsvorkehrungen wenn Sie Ihr Ger t installieren Beachten Sie alle auf den Ger ten angebrachten Warnhinweise und Anweisungen e Vergewissern Sie sich da Spannung und Frequenz Ihrer Stromquelle mit der Spannung und Frequenz bereinstimmen die auf dem Etikett mit den elektrischen Nennwerten des Ger ts angegeben sind e Stecken Sie auf keinen Fall irgendwelche Gegenst nde in ffnungen in den Ger ten Leitf hige Gegenst nde k nnten aufgrund der m glicherweise vorliegenden gef hrlichen Spannungen einen Kurzschlu verursachen der einen Brand Stromschlag oder Ger teschaden herbeif hren kann Symbole Die Symbole in diesem Handbuch haben folgende Bedeutung Achtung Gefahr von Verletzung und Ger teschaden Befolgen Sie die Anweisungen Achtung Hohe Temperatur Nicht ber hren da Verletzungsgefahr durch hei e Oberfl che besteht Achtung Gef hrliche Spannungen Anweisungen befolgen um Stromschl ge und Verletzungen zu vermeiden Ein Setzt das System unter Wechselstrom Je nach Netzschaltertyp an Ihrem Ger t kann eines der folgenden Symbole benutzt werden Aus Unterbricht die Wechselstromzufuhr zum Ger t Wartezustand Stand by Position Der E
10. 2 Remove AC power from the master unit for 5 seconds 3 Power on and boot the system 4340656 Running ofdg fast_find witha bad drive in u2 can cause drives in ul to be bypassed To avoid this limitation use the fru stat and fru list commands to detect bad drive FRUs before using ofdg Correct any drive errors before proceeding with ofdg diagnostic operations 4338471 An open interconnect cable between u111 and u211 causes ofdg to fail on all interconnect cards In certain cases where interconnect cables have problems ofdg has proven ineffective in isolating the root cause of the failure In some cases ofdg health_check operations indicate that all interconnect cards fail the test If you observe these kind of results replace both back end interconnect cables before replacing the interconnect cards 4341673 Open serial lines in an interconnect cable causes inconsistent results with ofdg If broken pins in the interconnect cable are responsible for serial communication between controllers ofdg test results can be inconsistent For example an ofdg health_check operation can return pass fail results that are inconsistent with ofdg fast_find operations on the same unit If you observe this behavior replace both back end interconnect cables and run the ofdg operation again 8 20 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 8 4 8 4 1 Repair Procedures Begin by replacing the FRU that have the mi
11. It may be necessary to disable and then enable the controller with the CLI commands to return it to service For example lt 2 gt disable ul lt 3 gt enable ul Verify that VERITAS if used completes a path fail back to the replaced controller Consult your VERITAS documentation for VERITAS diagnostic procedures Verify the repair by using the listed CLI status commands See Section 8 3 7 Using CLI Diagnostic Commands on page 8 15 8 22 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 8 4 3 8 If replacing the u1 controller card does not correct the problem replace the u2 RAID controller in the u2 enclosure If replacing the two RAID controllers does not correct the problem proceed to replacing disk drives as described in the next section Off Line Drive Diagnostics and Replacement If replacing the interconnect and RAID controller cards does not resolve the loop 1 path 0 problem the next step is to test and if necessary replace any suspect disk drives The test to use is the ofdg off line diagnostic utility The ofdg diagnostic requires the Sun StorEdge T3 array partner group to be removed from host access This is a highly disruptive procedure that stops all data access to the disk tray Coordinate and schedule this down time with the customer This test also requires that Component Manager halt all polling to the Sun StorEdge T3 array Because HTTP pollin
12. MIA adapter 1 Found in F370 4119 02 Diagnostic Cable Kit Sun StorEdge T3 and T3 Array Field Service Manual September 2001 APPENDIX B Sun StorEdge T3 Array System Defaults This appendix lists the Sun StorEdge T3 and T3 array defaults and is divided into the following sections Section B 1 Boot Defaults on page B 1 Section B 2 System Defaults on page B 2 Section B 3 Volume Defaults on page B 3 Section B 4 Default Directories and Files on page B 4 B 1 Boot Defaults Specify boot defaults with the set command When run without any parameters the set command displays the current values See the Sun StorEdge T3 and T3 Array Administrator s Guide for information on using the set command TABLE B 1 Default Settings set List Parameter Default Variables bootmode auto auto tftp none bootdelay 3 Number of seconds sn Number Serial number ip nnnn Unit IP address netmask 255 255 255 0 Unit netmask gateway nnnn Network gateway IP address tftphost nnnn IP address of TFTP server B 1 TABLE B 1 Default Settings set List Parameter Default Variables tftpfile value Boot code file identification number 39 character maximum hostname machinename Machine name of the Sun StorEdge T3 host machine 39 character maximum vendor vendorname Name of manufacturer or vendor model modelnumber Controller model number set at EP level revision Onnn Controller EP revision EP writes thi
13. Refer to the Sun StorEdge T3 and T3 Array Administrator s Guide for instructions on setting up remote logging Sun StorEdge T3 and T3 Array Field Service Manual September 2001 CHAPTER 3 Diagnosing Problems This chapter provides the qualified service provider with troubleshooting techniques for the Sun StorEdge T3 and T3 array and contains the following sections Section 3 1 Diagnostic Information Sources on page 3 1 Section 3 2 Troubleshooting Flow Charts on page 3 3 Section 3 3 Initial Troubleshooting Guidelines on page 3 7 Section 3 4 Verifying the Data Host Connection on page 3 8 Section 3 5 StorTools Connectivity Tests on page 3 8 Section 3 6 Checking Array Boot Status on page 3 11 Section 3 7 Telnet Connection Status Checks on page 3 14 Section 3 8 Identifying Miscabled Partner Groups on page 3 19 Section 3 9 Identifying Data Channel Failures on page 3 23 3 1 Diagnostic Information Sources TABLE 3 1 summarizes the diagnostic tools available to you TABLE 3 1 Diagnostic Functions and Tools Function Tools That Can Be Used Array boot monitoring LEDs CLI S Array boot PROM CLI S commands Host data path diagnosis StorTools A application Internal monitoring LEDs CM CLI E CLI S SNMP StorTools M application syslog SRS Configuration LEDs CM CLI E CLI S 3 1 TABLE 3 1 Function Diagnostic Functions and Tools C
14. Slow blink Off Drive is spinning up or down Solid Off Drive OK idle 5 6 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 TABLE 5 2 Disk Drive LED Descriptions Continued Drive Activity Drive Status Green Amber Descriptions Flashing Off Drive OK activity Off Solid Drive reconstruct firmware download in progress Off Slow blink Drive failure OK to replace drive Note Even if the LED indicates a drive failure always verify the FRU status using either the CLI or Component Manager before replacing the drive Refer to Section 3 7 3 Checking FRU Status on page 3 18 or the Sun StorEdge Component Manager User s Guide for instructions 30 Repairing Disk Drives Caution Replace only one disk drive in a array at a time to ensure that no data is lost Before replacing another disk drive in the same array complete any volume reconstructions before and ensure that the disk drive is fully functional and in operation By default the array automatically spins up and reenables a replaced disk drive then automatically reconstructs the data from the parity or hot spare disk drives The disk drive spinup takes about 30 seconds Reconstruction of the data on the disk drive can take up to one hour depending on system activity Note For the array to automatically reconstruct drive data the array must remain powered on while a disk is replaced To prevent automatic reenabling of the dis
15. The power switches of this product vii Lithium Battery Caution On the system control board there is a lithium battery molded into the real time clock SGS No MK48T59Y MK48TXXB XX MK48T18 XXXPCZ M48T59W XXXPCZ M4T28 XXYYSHZ or MK48T08 Batteries are not customer replaceable parts They may explode if mishandled Do not dispose of the battery in fire Do not disassemble it or attempt to recharge it Battery Pack Caution There is a Nickel Metal Hydride battery in the product power supply Panasonic Model HHR200SCP There is danger of explosion if the battery is mishandled or incorrectly replaced Replace only with the same type of Sun Microsystems battery Do not disassemble it or attempt to recharge it outside the system Do not dispose of the battery in fire Dispose of thebattery properly in accordance with local regulations System Unit Cover Caution Do not operate Sun products without the top cover in place Failure to take this precaution may result in personal injury and system damage Laser Compliance Notice Sun products that use laser technology comply with Class 1 laser requirements Class 1 Laser Product Luokan 1 Laserlaite Klasse 1 Laser Apparat Laser Klasse 1 Caution Use of controls adjustments or the performance of procedures other than those specified herein may result in hazardous radiation exposure Einhaltung sicherheitsbeh rdlicher Vorschriften
16. m Section C 3 1 Interpreting Boot Messages on page C 4 a Section C 3 1 1 Boot Message Acronyms on page C 4 a Section C 3 1 2 Boot Message Bracket Placement on page C 5 a Section C 3 1 3 Detecting FC AL Ports and Reporting Firmware Status on page C 5 m Section C 3 2 Examples of Boot Messages on page C 7 a Section C 3 2 1 Sun StorEdge T3 Array Workgroup Configuration on page C 7 a Section C 3 2 2 Sun StorEdge T3 Array Enterprise Configuration on page C 9 a Section C 3 2 3 Sun StorEdge T3 Array Workgroup Configuration on page C 11 a Section C 3 2 4 Sun StorEdge T3 Array Enterprise Configuration on page C 13 a Section C 3 2 5 Sun StorEdge T3 Array Enterprise Configuration as seen from the Alternate Master Controller on page C 15 Interpreting Boot Messages Boot Message Acronyms The acronyms used in boot messages are given in TABLE C 5 TABLEC 5 Boot Message Acronyms Files and Directories Explanation XPT Refers to the SCSI transport driver QLCF Refers to the QLogic Fibre Channel driver ISP2x00 The intelligent SCSI processor used in the T3 ECC The error checking and correcting mechanism used in the T3 array controller C 4 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 C 3 1 2 C 3 1 3 TABLE C 5 Boot Message Acronyms Continued Files and Directories Explanation XOR The exclusive OR logic operation used in RAID 5 P
17. megabytes per second MB sec P parity partner group power and cooling unit pSOS R read caching reliability availability serviceability RAS Glossary 4 The main controller unit in a partner group configuration A unique address that identifies a storage location or a device An adapter that converts fiber optic light signals to copper One megabyte is equal to one million bytes 1x106 A performance measurement of the sustained data transfer rate Additional information stored with data on a disk that enables the controller to rebuild data after a drive failure A pair of interconnected controller units Expansion units interconnected to the pair of controller units can also be part of the partner group A FRU component in the Sun StorEdge T3 array The unit contains a power supply cooling fans and an integrated UPS battery A Sun StorEdge T3 array contains two power and cooling units A real time operating system used as the primary operating system for the Sun StorEdge T3 array Data for future retrieval to reduce disk I O as much as possible Product features that include high availability easily serviced components that are very dependable Sun StorEdge T3 and T3 Array Field Service Manual September 2001 redundant array of independent disks RAID S Simple Network Management Protocol SNMP synchronous dynamic random access memory SDRAM system area U
18. NOTFOUND return ethers nis files NOTFOUND return 4 Determine if the RARP daemon is running by typing ps eaf grep rarpd a If the RARP daemon is running proceed to Step 6 m If the RARP daemon is not running proceed to the next step 5 Start the RARP daemon in the Solaris software environment by typing usr sbin in rarpd a amp 6 Power on both arrays by pressing the power button on each power and cooling unit All power and cooling unit LEDs on both units turn green indicating that power has been restored The IP address automatically downloads to the master controller unit after you power on Note In some cases the array times out before receiving the RARP request through an Ethernet switch If this time out happens the array cannot receive the assigned IP address An improper spanning tree setting of the Ethernet switch might cause this time out Refer to your switch vendor documentation for information on spanning tree settings and how to change them Changing this setting properly enables the array to receive the RARP request before timing out Chapter 10 Hardware Reconfiguration 10 9 10 1 4 Defining and Mounting Volumes on the Alternate Master Once the units are cabled and power has been restored to both units successfully define and mount the volume s on the alternate master Note Make sure that both units are online and that all LEDs are green It can take sev
19. Once you identify a suspected FRU use one or more of the following steps to isolate and then replace the failed FRU 2 Isolate replace and verify the interconnect cards and or the loop cable Interconnect cards sometimes referred to as unit interconnect cards or UIC can be replaced without affecting the online operation of the product though there may be some performance impact See Section 8 4 1 Interconnect Card Replacement Procedure on page 8 21 3 Isolate replace and verify the RAID controllers Replacing RAID controllers causes a LUN controller path failover This failover might require some kind of manual procedure by the customer to continue running and it might affect the overall system performance See Section 8 4 2 RAID Controller Replacement Procedure on page 8 22 4 Isolate replace and verify the FC AL disk drives Perform the this step only if steps 2 and 3 fail to resolve the problem To run the loop diagnostics to identify a failed drive FRU the Sun StorEdge T3 array must be removed from operation Removing the array is highly disruptive to the customer See Section 8 4 3 Off Line Drive Diagnostics and Replacement on page 8 23 5 Replace and verify the chassis and mid plane If by the end of step 4 there is still a problem the chassis and mid plane will need to be replaced Perform this step only if steps 2 3 and 4 fail to resolve the problem This is highly disruptive to the customer
20. e No introduzca nunca objetos de ning n tipo a trav s de los orificios del equipo El voltaje puede ser peligroso Los objetos extrafios conductores de la electricidad pueden producir cortocircuitos que provoquen un incendio descargas el ctricas o da os en el equipo Safety Agency Compliance Statements xi Simbolos En este libro aparecen los siguientes simbolos Precauci n Existe el riesgo de lesiones personales y da os al equipo Siga las instrucciones Precauci n Superficie caliente Evite el contacto Las superficies est n calientes y pueden causar da os personales si se tocan Precauci n Voltaje peligroso presente Para reducir el riesgo de descarga y da os para la salud siga las instrucciones Encendido Aplica la alimentaci n de CA al sistema Segun el tipo de interruptor de encendido que su equipo tenga es posible que se utilice uno de los siguientes simbolos Apagado Elimina la alimentaci n de CA del sistema En espera El interruptor de Encendido En espera Ch se ha colocado en la posici n de En espera Modificaciones en el equipo No realice modificaciones de tipo mec nico o el ctrico en el equipo Sun Microsystems no se hace responsable del cumplimiento de las normativas de seguridad en los equipos Sun modificados Ubicaci n de un producto Sun Precauci n Para asegurar la fiabilidad de A funcionamiento de su producto Su
21. execute a reconfiguration reboot boot r to ensure that the host recognizes the new volumes After the luxadm command has completed you can remount the volumes on the data host and restore the original data 10 14 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 10 2 10 2 1 Disconnecting a Partner Group to Form Single Controller Units Caution Back up all data before beginning this procedure This section describes how to reconfigure a partner group to form two existing single controller units This procedure includes the following sections Section 10 2 1 Preparing the Arrays on page 10 15 Section 10 2 2 Establishing a New IP Address on page 10 17 Section 10 2 3 Establishing a Network Connection on page 10 17 zi a m Section 10 2 4 Defining and Mounting Volumes on page 10 18 Preparing the Arrays Back up all data on the partner group Caution Make sure you back up data before proceeding Ensure that the data path between the host and the partner group has been quiesced There must not be any I O activity Start a Telnet session with the master unit a On the host use the telnet command with the array name or IP address to connect to the array telnet array_name Trying 129 150 47 101 Connected to 129 150 47 101 Escape character is psoSystem 129 150 47 101 b Log in to the array by typing root an
22. fru list ID TYPE VENDOR MODEL REVISION SERIAL ulctr controller card SCI SJ 375 0084 01 0210 003636 uldl disk drive SEAGATE ST136403FSUN D44A LT067917 uld2 disk drive SEAGATE ST136403FSUN D44A LT128949 uld3 disk drive SEAGATE ST136403FSUN D44A LT182205 uld4 disk drive SEAGATE ST136403FSUN D44A LT133265 uldd5 disk drive SEAGATE ST136403FSUN D44A LT152632 uld 6 disk drive SEAGATE ST136403FSUN D44A LT183848 uld7 disk drive SEAGATE ST136403FSUN D44A LT187470 uld8 disk drive SEAGATE ST136403FSUN D44A LT188683 uld9 disk drive SEAGATE ST136403FSUN D44A LT151139 ul11 loop card SCI SJ 375 0085 01 5 02 Flash 002719 u112 loop card SCI SJ 375 0085 01 5 02 Flash 003711 ulpcul power cooling unit TECTROL CAN 300 1454 01 0000 008917 ulpcu2 power cooling unit TECTROL CAN 300 1454 01 0000 008831 ulmpn mid plane SLR MI 370 3990 01 0000 010519 Chapter 10 Hardware Reconfiguration 10 21 lt 10 gt fru stat CTLR STATUS STATE ROLE PARTNER TEMP ulctr ready enabled master 34 5 DESK STATUS STATE ROLE PORT1 PORT2 TEMP VOLUME uldl ready enabled data disk ready ready 33 vO uld2 ready enabled data disk ready ready 29 vO uld3 ready enabled data disk ready ready 30 vO uld4 ready enabled data disk ready ready 28 v0 uld5 ready enabled data
23. set loglevel 4 These settings display all messages to the Tip session screen The output includes all messages from information up to error 11 Run a find test against loop 1 lt 7 gt ofdg find ull1 WARNING Volume data will be offline while OFDG is running Continue N y How far the test has go into the loop to identify the failed FRU determines how long the test runs The find test may also have to be run again with the u211 parameter if no failures are found with the u111 parameter 12 Examine the output in detail to identify the failed FRU For comparison a test run that found no errors is shown in CODE EXAMPLE 8 13 This test might take 8 minutes to complete CODE EXAMPLE 8 13 ofdg Sample Output No Errors t Available t Available t Available t Available PASS Chapter 8 Diagnosing and Correcting FC AL Loop Problems 8 25 In Syslog 18 133 18 3 1833 18 18 18 3 218 18 218 18 218 18 218 213 5 18 18 18 s 1873 2 18 218 18 218 119 ELIS 219 219 bp EAS SELO sdo 219 SAS 19 SES RE DA RCE TS 52 0 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 ay 26 LO LO LO IO IO OIO IO IO IO IO OIO IO IO IO IO IO OIO
24. uninterruptable power source UPS unit interconnect card UIC V volume A configuration in which multiple drives are combined into a single virtual drive to improve performance and reliability A protocol for remotely managing a computer network A form of dynamic random access memory DRAM that can run at higher clock speeds than conventional DRAM Located on the disk drive label the space that contains configuration data boot firmware and file system information A component within the power and cooling unit The UPS supplies power from a battery in the case of an AC power failure See Interconnect Card Also called a logical unit number LUN a volume is one or more drives that can be grouped into a unit for data storage Glossary 5 W write caching Data used to build up stripes of data eliminating the read modify write overhead Write caching improves performance for applications that are writing to disk Glossary 6 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 Index SYMBOLS boot c command 5 17 disk linkstat command 8 8 8 15 disk pathstat command 8 7 loop stat command 8 6 etc ethers file 9 7 etc hosts file 2 10 9 7 etc inetd conf file 2 9 etc nsswitch conf file 9 7 etc schd conf file 7 9 etc syslog conf file 2 10 tftpboot directory 5 16 usr sbin in rarpd daemon 9 7 var adm messages file 1 2 NUMERICS 0X2202 error code 5 15 A APAT
25. 2 Power and Cooling Unit LED Descriptions 7 3 Sun StorEdge T3 Array Assemblies A 3 Door Assembly A 4 Interconnect Card Assembly A 5 Power Supply A 6 Controller Card A 7 Drive Assembly A 8 Cable and Interconnect Assemblies A 10 Default Settings set List B 1 xxiii TABLE B 2 TABLE B 3 TABLE B 4 TABLE C 1 TABLE C 2 TABLE C 3 TABLE C 4 TABLE C 5 TABLE C 6 TABLE D 1 TABLE D 2 TABLE E 1 TABLE F 1 System Default Settings B 2 Volume Defaults B 3 Default Directories and Files B 4 Message Types C 2 FRU Identifers C 2 Reset Log Types C 3 Default System Files and Directories C 3 Boot Message Acronyms C 4 Firmware Status Boot Messages C 6 Commands Listed in Alphabetical Order D 2 FRU Identifiers D 3 Assigned Loop Identifier E 1 Sun StorEdge T3 and T3 array Information Worksheet F 2 xxiv Book Title Month 2001 Preface The Sun StorEdge T3 and T3 Array Field Service Manual is designed to provide the qualified service trained maintenance provider with sufficient information to effectively troubleshoot and resolve any Sun StorEdge T3 or T3 array failure The procedures in this manual describe how to isolate the failure remove and replace component s effectively reconfigure the module and system and place the product back into the customer s network Before You Read This Book Make sure you have prepared by reviewing the Sun StorEdge T3 and T3 Array Installation Ope
26. 2001 10 Hardware Reconfiguration 10 1 10 1 10 2 10 3 A l A 2 A 3 AA A 5 A 6 A 7 A 8 Connecting Single Controller Units to Form a Partner Group 10 1 10 1 1 Preparing the Arrays 10 2 10 1 2 Cabling a Partner Group 10 4 10 1 3 Establishing a New IP Address 10 7 10 1 4 Defining and Mounting Volumes on the Alternate Master 10 10 Disconnecting a Partner Group to Form Single Controller Units 10 15 10 2 1 Preparing the Arrays 10 15 10 2 2 Establishing a New IP Address 10 17 10 2 3 Establishing a Network Connection 10 17 10 2 4 Defining and Mounting Volumes 10 18 Changing the Port ID onthe Array 10 23 Illustrated Parts Breakdown A 1 Sun StorEdge T3 Array A 2 Sun StorEdge T3 Array Assemblies A 3 Door Assembly A 4 Interconnect Card Assembly A 5 Power Supply and Cooling Unit A 6 Controller Card A 7 Drive Assembly A 8 Cable and Interconnect Assemblies A 9 Sun StorEdge T3 Array System Defaults B 1 B 1 B 2 B 3 B 4 Boot Defaults B 1 System Defaults B 2 Volume Defaults B 3 Default Directories and Files B 4 Contents xix Sun StorEdge T3 and T3 Array Messages C 1 C 1 Message Syntax C 1 C 2 Reset Log Types C 3 Boot Messages C 3 C 4 Sun StorEdge T3 Array System Commands D 1 D 1 Commands List D 1 D 2 FRU Identifiers D 3 FC AL Loop Identifiers E 1 Sun StorEdge T3 Array Configuration Worksheets F 1 F 1 Worksheets F 1 F2 System Information Worksheets F 2 Glossary Glossar
27. A 5 firmware 6 5 FRU identifiers D 3 LEDs 6 2 removing and replacing 6 3 upgrading firmware 6 5 iostat output 8 12 ip B 1 L LAC _ Reserve 8 19 lbf 3 19 LEDs controller cards 4 1 interconnect cards 6 2 power and cooling unit 7 3 local volume can not be fixed 5 15 logging remote 2 10 logical unit numbers see LUNs 1 1 loglevel B 2 logto B 2 loop stat command 8 6 loop identifiers E 1 loop problems 8 1 baseline data 8 12 Component Manager indicators 8 13 diagnosis 8 2 8 10 error messages 8 14 indicators 8 10 normal status 8 2 Product Watch messages 8 13 repair procedures 8 2 8 21 syslog file 8 13 lpc command 6 5 LUNs 1 1 M mac B 2 MAC addresses location 3 20 9 3 9 6 memsize B 3 messages syntax 1 3 C 1 types C 2 midplane 9 1 etc ethers file 9 7 etc hosts 9 7 etc nsswitch conf 9 7 disk positions 9 5 MAC address 9 6 partner groups 9 2 9 6 replacement 9 2 mirror B 2 model B 2 mp_support B 2 N netmask B 1 notice message type C 2 Notice severity level 1 3 notice message see messages nsswitch conf file 9 7 O ofdg utility 8 16 8 23 Component Manager 8 23 example 8 23 fast_find option 8 17 8 19 find option 8 19 go no go 8 17 health_check option 8 18 http polling 8 23 LUN assignments 8 16 options 8 16 requirements 8 16 off line diagnostics see ofdg utility Index 9 P partner group 1 1 fully cabled 10 7 P
28. Booting from U1D1 Executing Starting T300 Release 1 16 2000 08 21 19 42 08 129 150 28 80 Copyright C 1997 2000 Sun Microsystems Inc All Rights Reserved Appendix C Sun StorEdge T3 and T3 Array Messages C 7 Initializing software Found units ul ctr Default master is ul Starting Heartbeats Assigning Select IDs ul 1 Initializing system drivers Initializing XPT component Initializing QLCF component Initializing loop 1 ISP2100 firmware status 3 Detected 10 FC AL ports on loop 1 Initializing loop 2 ISP2100 firmware status 3 Detected 10 FC AL ports on loop 2 Initializing QLCS component Initializing SVD services Cold Boot detected initializing cache memory Cache Mem Addr Toggle Test begin Cache Mem Addr Toggle Test complete Passed 256 MBytes Cache Memory Detected Testing CPU DRAM Passed Testing ISP2100 Passed Testing Cache memory Passed Testing XOR Memory Passed Initializing system DB structure Initializing configuration Initializing port configuration Initializing loop 2 to accept SCSI commands Mounting root volume Checking local file system Initializing network routes Starting Syslog Daemon System has 1 active controller s Initializing TFTP Starting ftpd Starting telnetd Starting timed Starting pshd Starting httpd St
29. Con el producto Sun se proporciona un La siguiente advertencia se aplica solamente a equipos con un interruptor de encendido que tenga una posici n En espera producto funciona exclusivamente como un dispositivo de puesta en espera Los enchufes de la fuente de alimentaci n est n dise ados para ser el elemento primario de desconexi n del equipo Debe desconectar TODOS los enchufes de alimentaci n del equipo antes de desconectar la alimentaci n El equipo debe instalarse cerca del enchufe de forma que este ltimo pueda ser f cil y r pidamente accesible A Precauci n El interruptor de encendido de este xii Sun StorEdge T3 and T3 Array Field Service Manual September 2001 Bater a de litio una bater a de litio insertada en el reloj de tiempo real tipo SGS N m MK48T59Y MK48TXXB XX MK48T18 XXXPCZ M48T59W XXXPCZ M4T28 XXYYSHZ o MK48T08 El usuario no debe reemplazar las bater as por s mismo Pueden explotar si se manipulan de forma err nea No arroje las bater as al fuego No las abra o intente recargarlas i Precauci n En las placas de control del sistema hay Paquete de pilas Precauci n Existe una pila de hidruro met lico de n quel en el sistema de alimentaci n de la unidad Panasonic modelo HHR200SCP Existe riesgo de estallido si el paquete de pilas se maneja sin cuidado o se sustituye de manera indebida Las pilas s lo deben sustituirse por el mismo tipo de pilas de
30. Field Service Manual September 2001 If the Sun StorEdge T3 disk tray is being booted the following message is displayed auto boot is enabled hit the RETURN key within 3 seconds to cancel In a boot situation if the Return key is pressed within 3 seconds the array stops booting and the EPROM takes control of the array If the Return key is not pressed the array continues to boot Note that in a partner group the alternate master unit continues to boot and appears as the master if the boot sequence of the master is stopped Screen messages are displayed Section 3 6 Checking Array Boot Status on page 3 11 for an example The following commands are available for use at the EPROM level m boot m reset m set mw id Once the array has fully booted all the commands available through the CLI are accessible For more information on serial connections see m Section 2 6 Setting Up Remote Logging on page 2 10 m Section 3 6 Checking Array Boot Status on page 3 11 2 2 Establishing a Telnet Session The Telnet session is a direct network link to the array unit through the command line interface CLI You can execute individual commands to query and repair the unit from this interface The Telnet session requires access to the unit s IP address The CLI can then be run from any host that is part of the same subnetwork The advantages that a Telnet connection provides over a serial port connec
31. IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO OW WO oO 03 18 22 22 22 23 28 38 38 38 38 38 38 41 50 LE 1 LPCT 1 LPCT 1 LPCT 1 LPCT 1 LPCT 1 LPCT 1 LPCT 1 LPCT 1 LPCT 1 50 50 50 50 50 50 50 50 11 31 32 32 32 32 32 32 32 32 32 33 41 43 04 ISR1 SVDT 1 ISR1 SVDT 1 LPCT 1 LPCT 1 LPCT 1 LPCT 1 LPCT 1 LPCT 1 LPCT 1 Saag 22 O O fdg find ullpl fdg find ulll ONDG Initiated GrFPeaoaowGf GEG G eG Gee eee eee ee fe Be ee Be Be ee EEE Be Ge ictr ISP2100 2 Received LIP f7 e8 async event lectr Port event received on port 0 abort 0 111 ONDG Loop Fault Diag Initiated lctr Reserved A Loop A Mask lt 1 gt B Mask lt 1 gt 1d4 SVD_PATH_FAILOVER path_id ld5 SVD_PATH_FAILOVER path_id 1d6 SVD_PATH_FAILOVER path_id ld7 SVD_PATH_FAILOVER path_id 1d8 SVD_PATH_FAILOVER path_id 1d9 SVD_PATH_FAILOVER path_id lctr ISP not ready on loop 1 1d1 Bypassed on loop 1 1d2 Bypassed on loop 1 ld3 Bypassed on loop 1 CO O O Or 1d4 Bypassed on loop 1 ld5 Bypassed on loop 1 1d6 Bypassed on loop 1 147 Bypassed on loop 1 1d8 Bypassed on loop 1 1d9 Bypassed on loop 1 lctr ISP not ready on loop 1 lctr ISP2100 0 Received LIP f8 d1 async event 1d1 Not bypassed on loop 1 1d2 Not bypassed on loop 1 1d3 Not bypassed on loop 1 1d4 Not bypassed on loop 1 1d5 Not by
32. Sun StorEdge T3 and T3 array and all attached arrays will automatically shut down and power off Chapter 5 Disks and Drives 5 9 FIGURE 5 5 Removing a Disk Drive 7 Release the latch handle on the disk drive to be installed 8 Insert the new disk drive gently on the middle of the rails and push it in until it is seated with the centerplane connector Use a coin or small screwdriver to press in and lock the latch handle 9 Replace the front panel Note Replace the front panel for the array to meet FCC compliance requirements 10 Type fru list undn to verify the firmware revision of the new disk drive where m unis the unit u number n m dn is the drive d number n See Section 5 4 Upgrading Disk Drive Firmware on page 5 13 for instructions if necessary 5 10 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 9 9 2 Rebuilding a Replaced Drive FRU A replaced drive FRU should begin to rebuild itself automatically Note Data is not copied back from a hot spare to a newly replaced data drive until the reconstruction of data to the hot spare from parity is completed This means that you might not see any activity lights immediately after replacing a drive If automatic reconstruction does not start or fails begin the rebuild of the replaced drive FRU manually as follows On the host use the telnet command with the array name or IP address to connect to the arra
33. T3A ISR1 1 W Sense Data Description T3A ISR1 1 W Sense Data Description Sun StorEdge T3 and T3 Array Field Service Manual September 2001 0 path occurred 0x1 port tting down in 30 rred path 0x1 Logical Unit Not 0x2 rred 4 path Ascq 0x1 001 starting auto path 0x1 port SCSI Parity SCSI Parity Error Error 8 3 7 Using CLI Diagnostic Commands Once the syslog file has been examined for warning or error messages and a conclusion is reached on which loop might have failed other CLI commands can be used to verify or support that conclusion These commands display the various status and current configuration of the loops Use a serial cable and Tip session to collect and analyze both controller s loop status information The serial cable is necessary to see the loop configuration for the alternate controller as the Telnet session only displays the current loop status as seen from the master controller For the example problem above the CLI commands produce these results The fru stat command would show a normal status for this failure The vol mode command would show a normal status for this failure The port listmap command would show a normal status for this failure The loop stat command would show a normal status for this failure The disk pathstat command would show a normal status for this failure The disk linkstat command would show the following error condi
34. a la fr quence indiqu es sur l tiquette de classification de l appareil e Ne jamais introduire d objets quels qu ils soient dans une des ouvertures de l appareil Vous pourriez vous trouver en pr sence de hautes tensions dangereuses Tout objet conducteur introduit de la sorte pourrait produire un court circuit qui entra nerait des flammes des risques d lectrocution ou des d g ts mat riels Symboles Vous trouverez ci dessous la signification des diff rents symboles utilis s Attention risques de blessures corporelles et de d g ts mat riels Veuillez suivre les instructions Attention surface temp rature lev e Evitez le contact La temp rature des surfaces est lev e et leur contact peut provoquer des blessures corporelles Attention pr sence de tensions dangereuses Pour viter les risques d lectrocution et de danger pour la sant physique veuillez suivre les instructions MARCHE votre syst me est sous tension courant alternatif Un des symboles suivants sera peut tre utilis en fonction du type d interrupteur de votre syst me ARRET votre syst me est hors tension courant alternatif VEILLEUSE l interrupteur Marche Veilleuse est en C position Veilleuse Modification du mat riel Ne pas apporter de modification m canique ou lectrique au mat riel Sun Microsystems n est pas responsable de la conformit r glemen
35. a network with the same management host Chapter 10 Hardware Reconfiguration 10 5 10 6 3 Connect the interconnect cables to the interconnect cards as shown in FIGURE 10 1 Make sure you connect the cables to the correct interconnect card connectors exactly as shown in the figure This cable connection determines the master and alternate master relationship Tighten the retaining screws The remaining connectors are reserved for expansion units Alternate master controller unit o a7 CL LJ 00 Master controller unit FIGURE 10 1 Connecting the Interconnect Cables Sun StorEdge T3 and T3 Array Field Service Manual September 2001 10 1 3 A fully cabled partner group is shown below 1S I aa ean 1 Fee e pu co LL Ss Master controller unit i geo FIGURE 10 2 Fully Cabled Partner Group Caution Do not power on the arrays yet You must configure a RARP server connected to the array with the IP address before powering on Establishing a New IP Address The JumpStart feature automatically downloads a newly assigned IP address to the array To enable this feature you must edit your host fi
36. adm messages file indicating a problem with the host channel connection to the array unit See Section 1 2 2 Host Generated Message on page 1 2 for more information about host generated messages Messages generated by the Sun StorEdge Component Manager software indicating a problem See Section 1 3 Sun StorEdge Component Manager on page 1 4 for more information about Component Manager Troubleshooting Checks The connection between the host and the Sun StorEdge T3 array as described in Section 3 5 StorTools Connectivity Tests on page 3 8 The array boot status as described in Section 3 6 Checking Array Boot Status on page 3 11 FRU status as described in the Sun StorEdge T3 and T3 Array Administrator s Guide Array status as described in Section 3 7 Telnet Connection Status Checks on page 3 14 Array operation as described in Section 3 7 4 Testing the Array With StorTools on page 3 19 Miscabled partner groups as described in Section 3 8 Identifying Miscabled Partner Groups on page 3 19 Chapter 3 Diagnosing Problems 3 7 7 Data channel as described in Section 3 9 Identifying Data Channel Failures on page 3 23 3 4 Verifying the Data Host Connection To verify the physical connection between the host and the array use a utility such as the format command in the Solaris environment The output of the command confirms whether a volume is on
37. an electrical short or a bent or broken pin connector These problems first appear as a failure of another FRU component such as an interconnect failure or drive failure If replacing the FRU that appears to be failed does not correct the problem then examine the backplane connector that the FRU connects to for bent or broken pins If nothing is obvious then install another spare FRU to verify that a failed FRU component is not causing the problem If all possibility of a FRU component failure has been eliminated and the problem still remains it is likely to be a backplane failure 9 1 9 2 Replacing the Chassis Backplane Assembly If there is a backplane failure replace it with the following procedure Caution Replacing a Sun StorEdge T3 and T3 array chassis interrupts array operation Note If the Sun StorEdge T3 and T3 array is part of a partner group access to all volumes in the partner group is unavailable during this backplane replacement procedure Assess the impact of unmounting volumes and stopping applications prior to starting this procedure 1 Perform full backups of data on affected partner groups for all accessible volumes 2 From the data hosts quiesce all I O going to all volume s in that disk array and associated partner group a Notify all applications to stop accessing any affected volumes by unmounting the volume s or stopping the application if necessary m Verify that all drive ac
38. chapter contains the following sections m Section 4 1 Controller Card LEDs on page 4 1 m Section 4 2 Removing and Replacing a Controller Card on page 4 4 m Section 4 3 Upgrading Controller Firmware on page 4 5 4 1 Controller Card LEDs The controller card LEDs for a Sun StorEdge T3 array differ from that of a Sun StorEdge T3 array The controller LEDs of both array models are described in the following sections Sun StorEdge T3 Array Controller LEDs The Sun StorEdge T3 array controller card has a channel active LED for the host interface port a controller status online LED and a reset switch TABLE 4 1 lists the possible states of the channel active LED and describes each state TABLE 4 2 lists the possible states and descriptions for the controller status LED 4 1 nn pe FC AL channel active LED Controller Reset switch status LED FIGURE 4 1 Sun StorEdge T3 Array Controller Card LEDs TABLE 4 1 FC AL Channel Active LED Descriptions Sun StorEdge T3 array Channel Active LED green Description Off Port disabled Amber Port enabled and not receiving signal from host Green Port enabled and idle Blinking green Port enabled and active TABLE 4 2 Controller Status LED Descriptions Sun StorEdge T3 array Controller Status LED green or amber Description Off Controller not installed not recognized Green Controller OK Amber Controller boot shutdown or firmware downl
39. de caract res est prot g par un copyright et licenci par des fournisseurs de Sun Des parties de ce produit pourront tre d riv es des syst mes Berkeley BSD licenci s par l Universit de Californie UNIX est une marque d pos e aux Etats Unis et dans d autres pays et licenci e exclusivement par X Open Company Ltd Sun Sun Microsystems le logo Sun AnswerBook2 docs sun com JumpStart Sun StorEdge StorTools SunSolve et Solaris sont des marques de fabrique ou des marques d pos es ou marques de service de Sun Microsystems Inc aux Etats Unis et dans d autres pays Toutes les marques SPARC sont utilis es sous licence et sont des marques de fabrique ou des marques d pos es de SPARC International Inc aux Etats Unis et dans d autres pays Les produits portant les marques SPARC sont bas s sur une architecture d velopp e par Sun Microsystems Inc L interface d utilisation graphique OPEN LOOK et Sun a t d velopp e par Sun Microsystems Inc pour ses utilisateurs et licenci s Sun reconna t les efforts de pionniers de Xerox pour la recherche et le d veloppement du concept des interfaces d utilisation visuelle ou graphique pour l industrie de l informatique Sun d tient une licence non exclusive de Xerox sur l interface d utilisation graphique Xerox cette licence couvrant galement les licenci s de Sun qui mettent en place l interface d utilisation graphique OPEN LOOK et qui en outre se conforment aux licence
40. disk ready ready 28 vO uld6 ready enabled data disk ready ready 36 vO uld7 ready enabled data disk ready ready 27 vO uld8 ready enabled data disk ready ready 27 vO uld9 ready enabled data disk ready ready 34 vO LOOP STATUS STATE MODE CABLE1 CABLE2 TEMP ulll ready enabled master T 28 0 u112 ready enabled slave 31 0 POWER STATUS STATE SOURCE OUTPUT BATTERY TEMP FANL FAN2 ulpcul ready enabled line normal normal normal normal normal ulpcu2 ready enabled line normal normal normal normal normal 10 22 If the array reports a ready status with functional FRUs you can now restore the data if necessary and return the array to operation as a single controller unit Sun StorEdge T3 and T3 Array Field Service Manual September 2001 10 3 Changing the Port ID on the Array To add a partner group to a hub configuration you must set the port ID values on the arrays to unique values Sun systems support hard addressing only However the port command on the Sun StorEdge T3 array contains the option to set soft addressing Changing the setting to soft addressing can create problems with host site HBAs In addition with soft addressing there is the risk of ending up with new cxtxdx node names after performing a system reboot Note Sun StorEdge T3 arrays that are factory configured in cabinets with hubs have unique port ID values assigned This procedure applies only to standalone partner groups that are being added to an
41. does not attempt to drill down to a disk port that is detect and isolate down to a bad disk port while find will try using Type 1 and Type 2 algorithms The fast_find option assumes that the probability of loop failures caused by either a bad interconnect cable or loop card is much higher than the probability of loop failures caused by a bad disk port Therefore fast_find should be used before find to first weed out bad interconnect cables and loop cards then find should be used to weed out bad disk ports if problems still exist The ofdg find Option The find option provides a Go No Go Loop test If the loop test fails Loop Fault Diag is invoked to drill down and find the bad FRU s The find option uses two different Drill down algorithms in order to detect bad FRU s a Type 1 bypass one disk port at a time and test m Type 2 find any three disk ports that work then enable one disk port at a time and test Use Type 2 only if Type 1 is unsuccessful The Loop Fault Diag has the capability to detect and isolate down to a single disk port but depending on the system configuration can be time consuming Chapter 8 Diagnosing and Correcting FC AL Loop Problems 8 19 8 3 8 5 Known ofdg Issues 4339555 ofdg run with a bad u211 can cause array reboot loop If ofdg is run on a system with failed FRUs this results in both back end loops being disabled If this occurs and you detect a reboot loop 1 Power off the partner group
42. following data in it CODE EXAMPLE 8 10 Example StorTools Message Monitoring Email Message Data Mar 07 18 33 22 T3a LORI Mar 07 18 33 22 T3a ISR1 Mar 07 18 33 22 T3a ISR1 1 uld9 SVD_PATH_FAILOVER path_id 1 LITE Mar 07 18 33 22 T3a ISR1 1 1 1 uld8 SVD_PATH_FAILOVER path_id uld7 SVD_PATH_FAILOVER path_id uld6 SVD_PATH_FAILOVER path_id uld5 SVD_PATH_FAILOVER path_id uld4 SVD_PATH_FAILOVER path_id Mar 07 18 33 22 T3a ISR1 Mar 07 18 33 22 T3a ISR1 OO DO OO OG 3333S S In this example this data was pulled by StorTools message monitoring from the remote host log file that the Sun StorEdge T3 array sent syslog entries to StorTools message monitoring was run on that host and scanned the log looking for array log file messages of a warning or error class The data in the example above indicates that drives u1d4 9 in the ulctr controller completed a path failover from loop 1 path 0 to loop 2 path 1 This means that a hard failure or a threshold count was exceeded on the u1l1 loop At this time drives u1d4 9 are being serviced by the ulctr only through the u112 loop This is a good indication that there has been some kind of failure in the u1l1 interconnect card the ulctr controller or one of the uld1 9 drives Component Manager Status Indicator Component Manager only changes its state if there has been a change of status for a FRU in a partner group Unless a FRU has be
43. for all array firmware are the same on the master unit and alternate master unit On both arrays a Type ver to display the controller firmware level For example lt 1 gt ver T300 Release 1 14 2000 08 01 10 43 22 129 150 47 135 Copyright C 1997 2000 Sun Microsystems Inc All Rights Reserved In this example the controller firmware level is listed as Release 1 14 10 2 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 b Type fru list to display EPROM disk drive and interconnect card firmware levels For example lt 2 gt fru list ID TYPE VENDOR MODEL REVISION SERIAL ulctr controller card SUN 0082f f0 0210 000596 uldl disk drive SEAGATE ST118202FSUN EA29 LKG88867 uld2 disk drive SEAGATE ST118202FSUN EA29 LKG8 9225 uld3 disk drive SEAGATE ST118202FSUN EA29 LKG8 8938 uld4 disk drive SEAGATE ST118202FSUN EA29 LKG89528 uld5 disk drive SEAGATE ST118202FSUN EA29 LKG8 9846 uld6 disk drive SEAGATE ST118202FSUN EA29 LKG90455 uld7 disk drive SEAGATE ST118202FSUN EA29 LKG8 9362 uld8 disk drive SEAGATE ST118202FSUN EA29 LKG55303 uld9 disk drive SEAGATE ST118202FSUN EA29 LKG78649 ul11 loop card SCI SJ 375 0085 01 5 01 Flash 000867 ul112 loop card SCI SJ 375 0085 01 5 01 Flash 001491 ulpcul power cooling unit TECTROL CAN 300 1454 01 0000 003132 ulp
44. from the Unit 7 12 The Battery Connector Details Inside the PCU 7 13 UPS Battery Setting Right Side Up 7 14 Backend Loop Configuration 8 3 Power Switch Location 9 3 Serial Number and MAC Address on Pull out Tab 9 3 Removing the Chassis 9 4 Serial Number and MAC Address on Pull out Tab 9 6 Connecting the Interconnect Cables 10 6 Fully Cabled Partner Group 10 7 Location of Pull Out Tab With MAC Address 10 8 Interconnect Cable Location 10 16 Sun StorEdge T3 Array Front View A 2 Sun StorEdge T3 Array Back View A 3 Door Assembly A 4 Interconnect Card Assembly A 5 Power Supply A 6 Controller Card A 7 Drive Assembly A 8 Cables and Interconnects A 9 xxii Sun StorEdge T3 and T3 Array Field Service Manual September 2001 TABLE 1 1 TABLE 1 2 TABLE 3 1 TABLE 3 2 TABLE 4 1 TABLE 4 2 TABLE 4 3 TABLE 4 4 TABLE 5 1 TABLE 5 2 TABLE 6 1 TABLE 7 1 TABLE A 1 TABLE A 2 TABLE A 3 TABLE A 4 TABLE A 5 TABLE A 6 TABLE A 7 TABLE B 1 Tables Levels of Message Notification 1 3 FRU Identifiers 1 3 Diagnostic Functions and Tools 3 1 Firmware Status Indicators 3 13 FC AL Channel Active LED Descriptions Sun StorEdge T3 array 4 2 Controller Status LED Descriptions Sun StorEdge T3 array 4 2 Sun StorEdge T3 Array Controller Card LED Descriptions 4 3 Channel Active LED Descriptions 4 11 Drive Status Messages 5 2 Disk Drive LED Descriptions 5 6 Interconnect Card LED Descriptions 6
45. front of the unit to the left of the first disk drive FIGURE 3 4 Pull out tab FIGURE 3 4 MAC Address on the Pull Out Tab 2 Edit the files on the RARP server to include the MAC address of the top unit a Edit the etc ethers file by adding the MAC address and array name For example 8 0 20 7d 93 7e array name In this example m 8 0 20 7d 93 7e is the MAC address a array name is the name of the master controller unit 3 20 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 b Edit the etc hosts file with the IP address and array name For example 123 123 123 111 array name In this example 123 123 123 111 is the assigned IP address c Edit the etc nsswitch conf file to reference the local system files To ensure the Solaris software environment uses the changes made to etc ethers and etc hosts files edit the host and ethers entries in the etc nsswitch conf file so that the files parameter appears before the NOTFOUND return statements as shown hosts nis files NOTFOUND return ethers nis files NOTFOUND return d Determine if the RARP daemon is running by typing ps eaf grep rarpd a If the RARP daemon is running proceed to Step 3 a If the RARP daemon is not running continue to Step e e Start the RARP daemon in the Solaris environment by typing usr sbin in rarpd a amp 3 Ensure that there is an Ethernet connection to the 10BAS
46. hecking disk positions N ANNNNANMN C 10 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 C3235 Initializing host port ulpl ISP2100 firmware status Host port ulpl TARGET_ID Oxffff ALPA Ox7c Starting psh Login Sun StorEdge T3 Array Workgroup Configuration T3B 2 Starting POST POST end Starting T3B EP Release 2 00 2001 03 26 16 33 52 129 150 28 81 Copyright C 1997 2001 Sun Microsystems Inc All Rights Reserved Found units ul ctr auto boot is enabled hit the RETURN key within 3 seconds to cancel Starting T3B Release 2 00 2001 04 02 15 21 29 129 150 28 81 Copyright C 1997 2001 Sun Microsystems Inc All Rights Reserved Initializing software Found units ul ctr Default master is ul Starting Heartbeats Assigning Select IDs ul 1 Initializing system drivers Initializing XPT component Appendix C Sun StorEdge T3 and T3 Array Messages 7 C 11 Initializing QLCF component Initializing loop 1 ISP2200 firmware status 3 Detected 10 FC AL ports on loop 1 Initializing loop 2 ISP2200 firmware status 3 Detected 10 FC AL ports on loop 2 Initializing SVD services Detected data cache size in system 1GB Testing ISP2200 Passed Testing ECC mechanism Passed Testing XOR functions and datapaths Passed Cold Boot detected destructive tests OK Testing data cache mem
47. in that enclosure should be swapped before repeating the test with the next unit If a failure is reported for the second or further enclosure fast_ find isolates the bad FRU s to either a bad interconnect cable or the two interconnect cards which are connected to the interconnect cable in question In this case fast __find should be run from the partner controller to eliminate some FRUs Chapter 8 Diagnosing and Correcting FC AL Loop Problems 8 17 8 3 8 1 8 3 8 2 If after running fast_find in both directions the problem has not been isolated to a single bad FRU the bad FRU might be either the interconnect cable the interconnect card or both a Replace the interconnect cable and retest b Replace the interconnect card and retest If the problem persists continue to the next step Perform an ofdg find operation lt 4 gt ofdg find ull1 The loop is given a Go or No Go status with progress indications If a failure is detected then Loop Fault Diag is automatically invoked to find the bad disk ports Ifofag findis not successful in solving the problem the backplane should be suspected See Section 9 2 Replacing the Chassis Backplane Assembly on page 9 2 for details The health_check Option The health_check option provides a fast Go No Go Loop test for all the loops in the Sun StorEdge T3 array The health_check option calls fast_test multiple times one time for each loop The ofdg fast _test O
48. level 3 17 vol command adding a volume 10 13 checking data parity 5 4 initializing volumes 10 14 mounting volume 10 14 rebuilding a replaced FRU 5 11 verify subcommand 5 4 vol disable command 8 27 vol list command 5 3 vol mode command 8 6 vol mount command 5 15 vol recon command 5 11 8 28 vol stat command 5 2 vol unmount command 5 14 vol verify command 5 4 volume Index 11 Index 12 Sun StorEdge T3 and T3 Array Field Service Manual September 2001
49. lowest 16 is highest init rate n 16 verify rate n 1 1 8 Rate parameter refers to host interleave factor contention with host IOs Default is 1 There is currently no feature that spawns a vol verify process The default for the SCSI vendor ID field is Sun Display or change this value with the port command The default Sun StorEdge T3 and T3 array volume configuration as shipped from the factory is 9 drive RAID 5 with no standby disk The volume is configured as follows m vol add vO data uld1 9 m vol init v0 sysarea m vol init vO data rate 16 RAID 5 Appendix B Sun StorEdge T3 Array System Defaults B 3 B 4 Default Directories and Files TABLE B 4 lists the default file system shipped with the array TABLE B 4 Default Directories and Files Filename nb113 bin lplc_05 01 BITMAP SYS ep2_10 bin FLIST SYS cmdlog adm webgui etc hosts etc schd conf etc syslog conf syslog web htm web snmp T3 mib Description Controller firmware RR Sum 23020 5000 Interconnect card FW RR Sum 63295 21 Contains a map of used and free blocks Controller EPROM flash RR Sum 3221 1023 Contains the file descriptors Log of all commands executed on the system Legacy directory formerly used for syslog files Contains old browser based admin files Default hosts with comments on format of file Battery refresh file Contents BAT_CYC 14 System logging configuration file Default sy
50. the syslog File on page 8 13 and Section 8 3 6 Example syslog Error Messages on page 8 14 for more details 5 Additional indications of an FC AL loop problem can provided by running the CLI commands described in Section 8 2 Normal Status on page 8 2 See Section 8 3 7 Using CLI Diagnostic Commands on page 8 15 for more detail If after this information has been gathered and examined and it has been determined that one of the back end FC AL loops has failed but no definitive FRU an be identified perform one or more of the diagnostic procedures described in the following sections Chapter 8 Diagnosing and Correcting FC AL Loop Problems 8 11 0 9 2 Checking Performance Against Baseline Data 8 12 If the customer regularly runs a performance monitoring program where thresholds have been set the iostat command shows whether one path to a Sun StorEdge T3 and T3 array partner group is not performing to the established base line For example CODE EXAMPLE 8 8 iostat Output for Normal Baseline Operation coooooococon SS u Mr s Mw s wait actv wsvc_t asvc_t w b device 0 03x0 0 0 0 50 cit 6d c0t0d c0t2d c2t7d c2t6d c3tld c4t2d1 c5t1d1 60 c5t1d0 normal utctr I O c3tld1 c4t2d0 19 7 0 59 c6t2d1 normal u2ctr I O 0 0 0 c6t2d0 ds o OS GGG Nan re der E ee er Te O OO OOOO Or m S am WO OOO e DE o E Se SE E D FOGO OOO a SHC Bp SS Cr GD oor O Ww Ww N
51. the array For example On the application host enter format at the supervisor prompt format Searching for disks done cit1id0 configured with capacity of 133 38GB AVAILABLE DISK SELECTIONS 0 cOt2d0 lt drive type unknown gt sbus 1f 0 SUNW fas e 8800000 sd 2 0 1 cOt3d0 lt SUN2 1G cyl 2733 alt 2 hd 19 sec 80 gt sbus 1f 0 SUNW fas e 8800000 sd 3 0 2 cit1d0 lt SUN T3 0100 cyl 34145 alt 2 hd 64 sec 128 gt sbus 1f 0 SUNW socal 1 0 sf 0 0 ssd w50020f2300000121 0 Specify disk enter its number In this example device number 2 is a volume on the array as identified by the SUN T3 0100 label 3 5 Stor Tools Connectivity Tests Use StorTools to verify the physical connection between the host and the array and to determine the primary and alternate paths 3 5 1 Primary Path Verification by the Host To determine a Sun StorEdge T3 array s primary and alternate paths from the host console do the following 3 8 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 1 On the application host enter format e at the supervisor prompt Specify the disk number when prompted format e Searching for disks done z AVAILABLE DISK SELECTIONS 0 cOt2d0 lt drive type unknown gt sbus 1f 0 SUNW faske 8800000 sd 2 0 1 c0t3d0 lt SUN2 1G cyl 2733 alt 2 hd 19 sec 80 gt sbus 1f 0 SUNW fas e 8800000 sd 3 0 2 cit1d0 lt SUN T3 0100 cyl 34145 alt 2 h
52. uenciddn encid unit number 1 2 encid unit number 1 2 n pcu number 1 2 encid unit number 1 2 n interconnect card number 1 2 encid unit number 1 2 n disk drive number 1 to 9 Appendix D Sun StorEdge T3 Array System Commands D 3 D 4 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 APPENDIX E FC AL Loop Identifiers This Appendix lists the FC AL loop identifies by AL_PA hex Switch hex and Setting decimal values The values are listed from lowest to highest priority The AL_PA value of 00 is reserved for an FL_PORT The value is not available TABLEE 1 Assigned Loop Identifier Switch Setting Switch Setting Switch Setting hex dec hex dec hex dec 00 2 2C 44 58 88 01 2D 45 59 89 2E 46 5A 90 2F 47 5B 91 02 03 04 30 48 5C 92 05 31 49 5D 93 32 50 5E 94 33 51 5F 95 06 07 08 34 52 60 96 2 3 4 5 6 7 8 9 09 35 53 61 97 36 54 62 98 37 55 63 99 0A 0B e OC 38 56 64 N 0D 39 57 65 m w 3A 58 66 3B 59 67 OE OF oR OO BR E 1 TABLEE 1 Assigned Loop Identifier Continued Switch Setting AL_PA Switch Setting Switch Setting hex dec hex hex dec hex dec E 2 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 APPENDIX F Sun StorEdge T3 Array Configuration Worksheets This chapter contains a blank worksheet for the qua
53. uld4 ready enabled data disk ready ready 27 vO uld5 ready enabled data disk ready ready 24 vO uld6 ready enabled data disk ready ready 26 vO uld7 ready enabled data disk ready ready 25 vO uld8 ready enabled data disk ready ready 31 vO uld9 ready enabled data disk ready ready 34 vO u2d1 ready enabled data disk ready ready 31 v1 u2d2 ready enabled data disk ready ready 31 vi u2d3 ready enabled data disk ready ready 30 v1 u2d4 ready enabled data disk ready ready 26 vi u2d5 ready enabled data disk ready ready 34 v1 u2d6 ready enabled data disk ready ready 26 vi u2d7 ready enabled data disk ready ready 28 v1 u2d8 ready enabled data disk ready ready 32 vi u2d9 ready enabled data disk ready ready 27 v1 LOOP STATUS STATE MODE CABLE1 CABLE2 TEMP u211 ready enabled master installed 32 55 u212 ready enabled slave installed 35 0 utri ready enabled master installed 31 5 u112 ready enabled slave installed 35 0 POWER STATUS STATE SOURCE OUTPUT BATTERY TEMP FAN1 FAN2 ulpcul ready enabled line normal normal normal normal normal ulpcu2 ready enabled line normal normal normal normal normal u2pcul ready enabled line normal normal normal normal normal u2pcu2 ready enabled line normal normal normal normal normal 5 12 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 5 4 Upgrading Disk Drive Firmware The latest disk drive firmware versions are located on the SunSolve web site http sunsolve sun co
54. unit volumes Refer to the Sun StorEdge T3 and T3 Array Administrator s Guide for more detailed information on setting block size Caution The set z command resets the IP address of the units to 0 0 0 0 You will to reassign the IP address to the master unit after you cable the partner group together but before powering on as described in the next section 7 Power off both units a Type lt 4 gt shutdown Shutdown the system are you sure N y b Press the power button once on each power and cooling unit to turn the switch off 10 1 2 Cabling a Partner Group After changing the array settings on the alternate master to the factory default and reverifying that both units run the same firmware levels you are ready to connect the arrays 1 Place the alternate master on top of the master unit 10 4 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 m If the units are installed in a cabinet make sure that the alternate master is installed in the slot directly above the master unit If you need to change the position in the cabinet refer to the rackmount installation instructions in the Sun StorEdge T3 and T3 Array Installation Operation and Service Manual a If the units are cabled to the hosts and power sources such that they cannot be placed in close proximity rearrange the cabling so that the units can be placed together 2 Make sure that the 10BASE T cables are connected to
55. use t ftboot to reload the firmware This requires configuring a remote server To configure a remote server to tftp boot a Sun StorEdge T3 and T3 array follow these steps In a user file system create a directory on the server called t ftpboot boothost mkdir tftpboot boothost chmod 777 tftpboot Copy the Sun StorEdge T3 disk tray boot code into the tftpboot directory boothost cp nbnnn bin tftpboot Where nbnnn bin is the current boot code file identification number For example nb101 bin Verify that tftpboot nbnnn bin is readable boothost chmod 755 tftpboot nbnnn bin Edit the etc inetd conf file and uncomment the t ftp line tftp dgram udp wait root usr sbin in tftpd in tftpd s tftpboot Restart inetd boothost ps eaf grep inetd root 140 1 0 Feb 08 0 00 usr sbin inetd s root 7715 7701 0 11 22 32 pts 18 0 00 grep inetd kill HUP 140 Chapter 2 Connecting to the Sun StorEdge T3 and T3 Array 2 9 2 6 2 10 Setting Up Remote Logging The Sun StorEdge T3 and T3 array can provide remote notification of array events to designated hosts using Simple Network Management Protocol SNMP traps To enable SNMP notification edit the etc syslog conf and the etc hosts files on the array to configure system message logging Because files cannot be edited on the array ftp the files to a host to make the edits and then ftp the files back to the array
56. what caused the message to be sent For more information about using the Component Manager see the Sun StorEdge Component Manager User s Guide 1 4 Sun StorEdge StorTools Software Errors in the host data channel are outside of the scope of the Sun StorEdge T3 and T3 array To determine failures in the data path use host based application diagnostics such as the Sun StorEdge StorTools product for the Solaris operating environment 1 4 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 Host to array channel failures occur when the connection between the array and the host is either severed or intermittent The components that make up this data channel connection are Host bus adapter HBA which resides on the host Gigabit interface converter GBIC adapter used to connect the FC AL cable to an SBus HBA Fibre Channel cable that connects the array to the host Media interface adapter MIA which converts the light source from the host to an electron source for use in the array Channel interface port in the array Refer to Section 3 7 4 Testing the Array With StorTools on page 3 19 and the Sun StorEdge StorTools User s Guide for information identifying data channel failures 1 5 Static Electricity Precautions Follow these procedures to prevent damaging the FRUs Remove plastic vinyl and foam from the work area Before handling a FRU discharge any static electric charge by
57. which is used to power all remaining circuits and disk drives is activated when AC or battery power is present and the power switch is on Each power and cooling unit has a power switch in the rear upper center of the unit Turning off the power on a power and cooling unit affects only that power and cooling unit Therefore to power off all primary power to the unit both power switches on both power and cooling units must be turned off After the switches are turned off system primary power will not actually turn off until the controller has performed an orderly shutdown including writing any data cache to disk This process can take up to two minutes Separate power cords are used for the connector on each power and cooling unit to provide redundant cabling The power cords need to be connected to separate AC power sources for full redundancy 7 1 Power switches 22 o o0 G2 o E o FIGURE 7 1 Power Cords Connected to the Power and Cooling Units Qo Bo Caution Do not handle the power and cooling unit when the power cord is connected Line voltages are present within the power and cooling unit when the power cord is connected even if the power switch is off At the rear of the power and cooling unit is a recessed PC card connector Do not touch this connector or allow any metal object to touch it The power and cooling unit contains
58. 03 Cet appareil num rique de la classe B est conforme a la norme NMB 003 du Canada iv Sun StorEdge T3 and T3 Array Field Service Manual September 2001 VCCI B E TDUVT DIAAVCC DT IFAAVCCIORABHSI IAF VYavVBELOATY aL DKA TE F es THOOMMIcIL PAOWANK4ET iets Len spall ERARAS VCCI ORKES 9 57 ARBRE CT CORI CARER CENTS CRE eS SOT CEM HOOKS eee DERANSTEMBOES 237 B VCCI DT Y52BVCCI OR CD jha I y Ava BEUTI a BI y5 BEM CS CHOOW AMICI FROME MBY LES EUX Tea SOLER Ae et ws 8 Ris SS A ESS VCC D S lt 7 DA B ne We COREL RERHHHTSCLSEANECUTARTAM CORIBMNIUAPT VEY a Yea RICHER CH SNS Slabs e 5 Sie CHTEMBHOET MERHER gt TEU ORWELTS ESM Regulatory Compliance Statements v BSMI Class A Notice The following statement is applicable to products shipped to Taiwan and marked as Class A on the product compliance label SCA jee ARAN BS ateean SEA Eee eA FF ALR 3a ase TE HAE FE CRE SROKA Es BER ZARAZ AEPA EERE FF TERENS FE TAIB T 2 AAS SRE OR ERE Es BAAR vi Sun StorEdge T3 and T3 Array Field Service Manual September 2001 Safety Agency Compliance Statements Read this section before beginning any procedure The following text provides safety precautions to follow when installing a Sun Microsystems product Safety Precautions For your protection observe the following safety precautions when setting up your equipment e Follow all cautions and instru
59. 1 8 4 2 RAID Controller Replacement Procedure If replacing the interconnect cards and cables did not resolve the loop 1 path 0 problem the next least disruptive repair action is the removal and replacement of a RAID controller In a partner group a single RAID controller card can be removed without denying access to all data assuming appropriate multipathing software has been configured on the host While data accessibility is maintained during the replacement and testing of a single RAID controller performance is reduced during this procedure The customer might elect to schedule the repair action during a time of reduced operations to the Sun StorEdge T3 and T3 array system For the above example of a suspected loop 1 path 0 problem perform the following steps From the CLI disable the ul RAID controller card lt 1 gt disable ul This causes a controller failure over to the other controller The Telnet session fails and Component Manager reports a loss of polling as the alternate controller becomes the master VERITAS if used redirects the host I O through the remaining path for the failed controller s volumes When the ul LED flashes amber remove and replace the u1 controller card See Section 4 2 Removing and Replacing a Controller Card on page 4 4 After the controller boots verify the LED on ul interconnect card is a solid green Restart a Telnet session to the Sun StorEdge T3 array
60. 2 hours The refresh cycle verifies the health of the battery During the refresh if a problem is detected with the battery future refresh operations are suspended until the problem is fixed When refresh is suspended battery write behind caching is turned off automatically as a safety precaution Note During the discharge period of a refresh cycle approximately 12 minutes write behind cache is turned off 7 8 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 The syslog file indicates battery refresh operation in progress Use the refresh s command to view an active refresh operation Refer to the Sun StorEdge T3 and T3 Array Administrator s Guide for more information on this command Refresh cycle time is controlled by the array s etc schd conf file For example lt 14 gt cat etc schd conf BAT_CYC 14 You can tune the etc schd conf file to specify the interval between battery refresh cycles and initiate a refresh on a particular day To specify beginning a battery refresh cycles at a particular time edit the BAT_BEG MM DD YYYY hh mm ss value in the etc schd conf file Where MM is the month number January 1 DD is the day number YYYY is the year hh is the hour using a 24 hour clock 6pm 18 mm is the minute ss is the second this element is optional Caution The battery service life dependents on a battery refresh cycle of 14 days Altering this time span can decrease b
61. 3 array has to have a supervisor password prior to attempting this procedure Chapter 4 Controller Card Assembly 4 5 4 3 1 4 3 1 1 4 3 1 2 Sun StorEdge T3 Array Controller Firmware Controller Firmware To upgrade the firmware Use the ftp binary mode to transfer the firmware to the storage system s directory See Section 2 3 Establishing an FTP Session on page 2 5 Establish a Telnet connection to the array See Section 2 2 Establishing a Telnet Session on page 2 3 Install the firmware using the boot i command lt 2 gt boot i filename Check the firmware patch README file for instructions specific to that release Power cycle the array to reset it a Type lt 3 gt shutdown shutdown the system are you sure N y b Press the power button on each power and cooling unit to remove AC power c Press the power buttons again to return AC power to the array Caution Power cycling a Sun StorEdge T3 and T3 array causes an interruption in array operation Controller EPROM Firmware The EPROM firmware is stored in the FLASH memory device FMD on the controller card The array can be operational during the EPROM firmware upgrade Note To upgrade the EPROM firmware in a partner group you need to perform this procedure only once for both units to be upgraded 4 6 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 Th
62. 5 interconnect assemblies A 9 interconnect cards 6 1 A 5 overview 1 1 parts A 1 remote logging 2 10 serial connection 2 1 system defaults B 1 Telnet connection 2 3 tftp booting 2 6 troubleshooting 3 1 troubleshooting introduction 1 1 worksheets F 1 SunSolve web site 3 15 sys command 3 14 sys stat command 3 14 SysFail reset log type C 3 syslog daemon 1 2 syslog file 2 1 8 13 syslog conf file 2 10 system defaults B 2 remote logging 2 10 verifying firmware level 3 15 System generated messages 1 2 Index 10 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 T defaults B 3 Takeover reset log type C 3 initializing 10 14 telnet command 2 4 5 1 5 11 mounting 10 14 master vs alternate controller 8 9 volume WWN 9 8 Telnet connection 2 3 volumes tftp command 5 16 disabling 8 27 tftp filename 2 7 mounting 8 28 tftpboot command 2 6 2 9 5 16 reconstruction of 8 28 tftpfile 5 16 B 2 unmounting 5 13 8 24 tftphost 5 16 B 1 tip command 2 2 tools troubleshooting 3 1 W troubleshooting 3 1 flow charts 3 3 info sources 3 1 initial steps 3 7 tools 3 1 typographic conventions xxviii warning message type C 2 Warning severity level 1 3 web site SunSolve 3 15 worksheets F 1 WWN 9 8 U UPS battery see batteries V vendor B 2 vendor ID field B 3 ver command 3 17 verify B 3 verify volume fails on uldl 5 15 verifying firmware
63. 7 The Battery Connector Details Inside the PCU 5 Remove the battery connector by pulling on if firmly straight out from the connector inside the PCU 6 Lift the bottom panel with the battery away from the unit and set it aside as shown in FIGURE 7 8 7 13 Chapter 7 Power and Cooling Unit Assemblies 7 4 3 2 7 14 FIGURE 7 8 UPS Battery Setting Right Side Up Replace the UPS Battery Connect the replacement battery to the battery connector of the PCU See FIGURE 7 7 Firmly push the connector all the way into the PCU battery connector There is no indication such as a mechanical click that indicates that it is fully inserted Seat the battery pack in the PCU such that the bottom panel is flush with the edges of the PCU See FIGURE 7 5 Replace the four Phillips screws and secure the bottom panel to the PCU Replace the PCU in the array and prepare the PCU for return to service as described in Removing and Replacing a Power and Cooling Unit on page 4 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 CHAPTER 8 Diagnosing and Correcting FC AL Loop Problems This chapter describes how to diagnose and correct back end FC AL drive loop problems with the array It contains the following sections m Section 8 1 Overview on page 8 1 m Section 8 2 Normal Status on page 8 2 m Section 8 3 Diagnosing an FC AL Loop on page 8 10 m Section 8 4 Repair Proce
64. ATH_POLICY 8 8 PCI FC 100 host board adapters 3 19 PCU see power and cooling unit port command B 3 port list command 3 15 port listmap command 8 6 power and cooling unit 7 1 A 6 LEDs 7 2 7 3 removing and replacing 7 4 PPATH 8 8 proc list command 5 11 8 28 Product Watch messages 8 13 pSOSFail reset log type C 3 R RAID controller see controller cards RAID volumes 1 1 RAIDFail reset log type C 3 rarp B 2 RARP daemon 9 7 rd_ahead B 2 recon_rate B 3 refresh s command 7 8 remote logging 2 10 reset log types C 3 reset y command 5 15 5 18 revision B 2 S Safety Agency Compliance statements French x German viii Spanish xi SCSI Disk Error Occurred 8 14 scsi inquiry command 3 10 scsi inquiry output 3 11 scsi menu 3 10 SCSI Parity Error 8 14 serial number location 3 20 9 3 9 6 set bootmode command 5 17 5 18 set command B 1 set tftpfile command 5 16 set tftphost command 5 16 setting the IP address 10 8 shell prompts xxviii shutdown command 9 2 Simple Network Management Protocol 2 10 sn B 1 SNMP 2 10 static electricity 1 5 status codes 5 2 StorTools 1 4 Sun Documentation Online xxx Sun StorEdge T3 disk tray boot defaults B 1 cable assemblies A 9 commands 2 4 controller cards A 7 default directories B 4 default settings 10 1 disk tray A 2 disks amp drives 5 1 door assembly A 4 drive assemblies A 8 FC AL 8 2 files B 4 FTP connection 2
65. Assemblies FIGURE A 2 Sun StorEdge T3 Array Back View TABLE A 1 Sun StorEdge T3 Array Assemblies Item Part Number Description 1 F540 4306 F370 3990 F300 1454 F375 0084 F501 5710 F375 0085 F540 4287 N QD a AeA amp Q N F540 4367 Door assembly Empty chassis backplane assembly Power supply and cooling unit T3 controller card shown T3 controller card Interconnect card assembly Drive assembly 18 GB not shown in this view Drive assembly 36 GB not shown in this view Appendix A Illustrated Parts Breakdown A 3 A 3 Door Assembly FIGURE A 3 Door Assembly TABLE A 2 Door Assembly Item Part Number Description 1 F540 4306 Door assembly 2 F370 3990 Empty chassis backplane assembly 3 F540 4287 Drive assembly 18 GB 4 F540 4367 Drive assembly 36 GB A 4 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 A 4 Interconnect Card Assembly FIGURE A 4 Interconnect Card Assembly TABLE A 3 Item 1 2 3 4 4 Interconnect Card Assembly Part Number F375 0085 F370 3990 F300 1454 F375 0084 F501 5710 Description Interconnect card assembly Empty chassis backplane assembly Power supply and cooling unit T3 controller card shown T3 controller card Appendix A Illustrated Parts Breakdown A 5 A 5 Power Supply and Cooling Unit FIGURE A 5 Power Supply TABLE A 4 Power Supply Item Part Number Description 1 F300 1454 Po
66. CTROL CAN 300 1454 01 0000 008831 ulmpn mid plane SLR MI 370 3990 01 0000 010519 Chapter 10 Hardware Reconfiguration 10 19 lt 6 gt fru stat CTLR STATUS STATE ROLE PARTNER TEMP ulctr ready enabled master 34 5 DISK STATUS STATE ROLE PORT1 PORT2 TEMP VOLUME uldl ready enabled data disk ready ready 33 vO uld2 ready enabled data disk ready ready 29 vO uld3 ready enabled data disk ready ready 30 vO uld4 ready enabled data disk ready ready 28 v0 uld5 ready enabled data disk ready ready 28 vO uld6 ready enabled data disk ready ready 36 vO uld7 ready enabled data disk ready ready 27 vO uld8 ready enabled data disk ready ready 27 vO uld9 ready enabled data disk ready ready 34 vO LOOP STATUS STATE MODE CABLE1 CABLE2 TEMP ulll ready enabled master 7 28 0 u112 ready enabled slave 31 0 POWER STATUS STATE SOURCE OUTPUT BATTERY TEMP FANI FAN2 ulpcul ready enabled line normal normal normal normal normal ulpcu2 ready enabled line normal normal normal normal normal If the array reports a ready status with functional FRUs you can now restore the data if necessary and return the array to operation as a single controller unit 10 2 4 2 Alternate Master Unit to a Single Controller Unit The former alternate master unit contains the same volume s as it did when connected in the partner group Those volumes are availabl
67. Check array status using a variety of CLI commands This section contains the following topics m Section 3 7 1 Determining Failover on page 3 14 m Section 3 7 2 Verifying the Firmware Level and Configuration on page 3 15 m Section 3 7 3 Checking FRU Status on page 3 18 3 7 1 Determining Failover 1 On the host use the telnet command with the array name or IP address to connect to the array mngt_host telnet disk tray name TEV ANG 1236123 T2 3 Connected to 123 123 123 3 Escape character is pSOSystem 123 123 123 3 2 Log in to the array by typing root and the supervisor password at the prompts 3 To determine which unit is the master or alternate master unit enter sys stat The following example shows a partner group in a normal state lt 2 gt sys stat Unit State Role Partner 1 ONLINE Master 2 2 ONLINE AlterM 1 In a failover state unit 2 assumes the role of master controller and unit 1 is disabled as shown in the following example lt 3 gt sys stat Unit State Role Partner 1 DISABLED Slave 2 ONLINE Master 3 14 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 ogy 4 Use the port list command to display how paths are mapped from the host ports to the volume This displays World Wide Names WWNs that can be compared to the WWNs displayed by the Solaris command format 1M lt 4 gt port list p
68. E T port of the top unit 4 Press the power switch on the power and cooling units on both arrays to remove AC power FIGURE 3 5 It may take some time for the units to power off while shutdown procedures are performed Wait until the units have powered off completely Chapter 3 Diagnosing Problems 3 21 Power switches 22 ee o amp o ED 00 do o ps FIGURE 3 5 Power Switch Locations 5 After both units have powered off press the power switch on the power and cooling units again to restore power to and reset the arrays It may take up to several minutes for the arrays to power on and come back online All LEDs will be green when the unit is fully powered on 6 After the units are fully powered on start a Telnet session The Telnet session will connect to the top unit If the host cannot telnet to the array investigate the following other possible causes RARP server not responding To determine if this is the problem a Verify that the RARP daemon is running on the host system a Verify that the etc nsswitch conf file is properly configured on the RARP server a Inthe Solaris environment use the snoop command to verify that the array is attempting to establish RARP communication with the Solaris server MAC address is incorrect In the Solaris environment use the snoop command to specify the MAC address of the array and to determine if any RARP pack
69. ECTROL CAN 300 1454 01 0000 002283 u2pcu2 power cooling unit TECTROL CAN 300 1454 01 0000 002072 ulmpn mid plane SCI SJ 370 3990 01 0000 000963 u2mpn mid plane SCI SJ 370 3990 01 0000 000833 Chapter 10 Hardware Reconfiguration 10 11 lt 2 gt fru stat CTLR STATUS STATE ROLE PARTNER TEMP ulctr ready enabled master u2ctr 32 25 u2ctr ready enabled alt master ulctr 32 5 DISK STATUS STATE ROLE PORT1 PORT2 TEMP VOLUME uldl ready enabled data disk ready ready 37 vO uld2 ready enabled data disk ready ready 39 vO uld3 ready enabled data disk ready ready 36 vO uld4 ready enabled data disk ready ready 38 vO uld5 ready enabled data disk ready ready 37 vO uld6 ready enabled data disk ready ready 35 vO uld7 ready enabled data disk ready ready 40 vO uld8 ready enabled data disk ready ready 36 vO uld9 ready enabled data disk ready ready 29 v0 u2d1 ready enabled unassigned ready ready 38 u2d2 ready enabled unassigned ready ready 40 5 u2d3 ready enabled unassigned ready ready 40 T u2d4 ready enabled unassigned ready ready 34 u2d5 ready enabled unassigned ready ready 39 u2d6 ready enabled unassigned ready ready 38 ms u2d7 ready enabled unassigned ready ready 42 u2d8 ready enabled unassigned ready ready 36 u2d9 ready enabled unassigned ready ready 37 LOOP STATUS STATE MODE CABLE1 CABLE2 TEMP u211 ready enabled maste
70. GR This is the persistent group reservation information user that aexists when the T3 array is attached to a cluster ALPA The arbitrated loop physical address assigned to each device on a FC AL loop Boot Message Bracket Placement The synonomous boot message lines shown below gives the field service engineer information about how and where they are connected to the T3 array Found units ul ctr u2 ctr or Found units ul ctr u2 ctr The position of the brackets indicates which serial port is providing the output Brackets around ul ctr indicate that the boot messages are coming from the master controller s serial port The field service engineer is using tip to connect to that controller s serial port The same is true with u2 ctr Detecting FC AL Ports and Reporting Firmware Status Compare two sections of boot messages one from the master controller and one from the alternate master controller Initializing loop 1 ISP2200 firmware status 3 Detected 19 FC AL ports on loop 1 Initializing loop 2 ISP2200 firmware status 3 Detected 19 FC AL ports on loop 2 and Initializing loop 1 ISP2200 firmware status 3 Detected 20 FC AL ports on loop 1 Initializing loop 2 ISP2200 firmware status 3 Detected 20 FC AL ports on loop 2 Appendix C Sun StorEdge T3 and T3 Array Messages C 5 These messages are generated by the ISP devices that service the back end loops They are polling the FC A
71. H 8 8 Assertion reset log type C 3 auto boot 2 3 B back end loop see loop problems batteries 7 6 etc schd conf file 7 9 checking 7 7 id read command 7 7 maintenance 7 8 not fully charged 7 7 refresh cycle 7 8 refresh s command 7 8 removing and replacing 7 10 service life 7 9 blocksize B 2 boot auto 2 3 commands 2 3 defaults B 1 how to 3 12 i option 2 8 mode 2 6 tftp 2 6 tftp server 2 9 boot i command 5 18 bootcode file 5 18 bootdelay B 1 bootmode B 1 C cable assemblies A 9 cabled partner group 10 7 cache B 2 cache memsize B 3 chassis see midplane 9 1 check revisions selection 3 19 commands descriptions of D 1 See Also individual commands Index 7 Component Manager 1 4 connecting the cables interconnect cables 10 6 controller cards A 7 enabling disabling 8 22 firmware upgrade 4 5 LEDs 4 1 replacing 4 4 8 22 upgrading EPROM 4 6 CPATH 8 8 D data 10 14 data parity checking 5 4 device not mounted message 3 13 diagnosing problems see troubleshooting disk array see Sun StorEdge T3 disk tray disk download command 5 14 disk drives assembly A 8 corrupted labels 5 15 firmware 5 13 hot spare 5 3 label corruption 5 15 LEDs 5 6 monitoring 5 1 rebuilding 5 11 removing and replacing 5 7 repair 5 7 status 5 2 status codes 5 2 status messages 5 2 upgrading firmware 5 13 disk labels corruption of 5 15 disk li
72. If the array is configured with different manufacturers types of disk drives the disk command can download firmware for only one manufacturers drive type at a time Verify that the download was successful using either the CLI or Component Manager 9 Use the fru list command to verify that the firmware download was successful The current drive firmware level is displayed in the fru list output 5 14 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 10 Use the reset command to reboot the Sun StorEdge T3 and T3 array after all drives have been upgraded 11 After the array is back online log in to the array and verify that all FRU states are optimal as follows a Use the fru stat command to confirm that all drives are ready and enabled b Use the fru list command to display the current drive model number and firmware version c Use the vol stat command to display drive states All drives must report a drive state of 0 for optimal condition 12 Remount the volume s on the array lt 4 gt vol mount volume name s 5 5 Clearing Corrupted Disk Labels This procedure describes how to recover from corruption of disk labels on all nine disks of a master unit Caution This procedure is equivalent to executing the newfs command on the Sun StorEdge T3 local disk It will destroy all disk data This procedure uses a private command intended for Sun internal use only It should not be
73. L loops for FC AL devices The first section of output from the master controller detects 19 FC AL ports The next section detects 20 FC AL ports The missing port is actually the alternate master controller It is missing because it has not completed its own boot process when the master controller polls FC AL devices Once the alternate master boots it also polls for FC AL devices Since the master controller and all the drives are already running 20 9 drives per T3 array a master controller and an alternate master controller devices are found on the FC AL loop at this time The firmware status codes generated during the boot cycle can be good indicators of internally detected system and configuration problems TABLE C 6 specifies the firmware status codes that can be reported through a serial port console during a T3 boot cycle TABLEC 6 Firmware Status Boot Messages Status Explanation firmware status 0 ISP is waiting for configuration process to complete firmware status 1 ISP is waiting for ALPA assignment firmware status 2 ISP is waiting for port login firmware status 3 ISP is ready and optimal firmware status 4 ISP has lost loop synchronization firmware status 5 ISP has experienced an unrecoverable error firmware status 6 ISP re initialization firmware status 7 ISP is not participating in the loop If the firmware status given in either of these boot messages is not 3 a drive or other component
74. SR1 1 W uld6 SVD_PATH_FAILOVER path_id 0 ISR1 1 W uld5 SVD_PATH_FAILOVER path_id 0 ISR1 1 W uld4 SVD_PATH_FAILOVER path_id 0 As can be seen the data is the similar to what StorTools message monitoring would display and indicates the same possible failure condition on loop 1 path 0 Example syslog Error Messages CODE EXAMPLE 8 11 displays some example syslog error messages that might indicate a back end FC AL drive loop problem CODE EXAMPLE 8 11 Drive Loop Problem Example Error Messages Sep 27 18 36 53 Sep 27 18 48 46 0x1 lun 0x0 Sep 28 06 52 23 Sep 28 06 53 49 Sep 28 06 53 49 minutes Sep 28 06 53 49 Sep 28 07 01 41 Sep 28 07 01 41 Ready Initializ Sep 28 07 01 41 Sep 28 07 01 41 Sep 28 07 01 41 Sep 28 07 01 41 disable Sep 28 07 10 27 Sep 28 07 15 05 0x1 lun 0x0 Sep 28 07 15 05 Sep 28 07 18 03 8 14 3A ROO W ulctr Hardware Reset 100 T3A ISR1 W SCSI Disk Error Occurred 3A CFG W u2ctr Disabled 3A LPC E u2ctr Not present 3A TMR E u2ctr Missing system shu 3A LPCT 1 E u2ctr Not present T3A ISR1 2 W u2d1 SCSI Disk Error Occu T3A ISR1 2 W Sense Data Description ing CMD Required T3A ISR1 2 W u2d1 SCSI Disk Error Occu T3A ISR1 2 W Sense Key 0x2 Asc 0x 3A WXFT 2 W u2d1 Failed 3A WXFT 2 W u2d1 hard err in vol vol T3A LTO1 1 W u2d1 Recon attempt failed T3A ISR1 1 W SCSI Disk Error Occurred
75. See Section 8 4 4 Chassis Replacement Procedure on page 8 29 and Section 9 2 Replacing the Chassis Backplane Assembly on page 9 2 8 2 Normal Status This section presents an overview of the product FC AL architecture for clarity on determining back end loop problems 8 2 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 FIGURE 8 1 contains a block diagram showing the two back end drive loops in a normal no failures configuration Standard mirrored loop Alternate u2 configuration Loop 1 Loop 2 Path 0 HOH Path 1 Interconnect card zE DL Interconnect card EET HOH HOF Pt OT a Oi HOHE Ea pr Nonsplitloop Loop 1 Nonsplit loop cables OF Normal gt LR IE Normal Non split configuration drives 8 zt Nonsplit configuration drives uid4 9 and u2d4 9 are logically HTE E u1d1 3 and u2d1 3 are logically configured to loop 1 path 0 z5 zi configured to loop 2 path 1 HOHE 5 A Mirrored cache data also zo a Ee transverses loop 2 path 1 sell 4 i as well EGH Interconnect card N Interconnect card Loop 1 See ae Loop 2 Path 0 i D Path 1 LN Master u1 FIGURE 8 1 Backend Loop Configuration Chapter 8 Diagnosing and Correcting FC AL Loop P
76. Sun Microsystems No las desmonte ni intente recargarlas fuera del sistema No arroje las pilas al fuego Des chelas siguiendo el m todo indicado por las disposiciones vigentes Tapa de la unidad del sistema productos Sun sin la tapa superior colocada El hecho de no tener en cuenta esta precauci n puede ocasionar da os personales o perjudicar el funcionamiento del equipo i Precauci n Es peligroso hacer funcionar los Aviso de cumplimiento con requisitos de l ser Los productos Sun que utilizan la tecnolog a de l ser cumplen con los requisitos de l ser de Clase 1 Class 1 Laser Product Luokan 1 Laserlaite Klasse 1 Laser Apparat Laser Klasse 1 Precauci n El manejo de los controles los ajustes o la ejecuci n de procedimientos distintos a los aqu especificados pueden exponer al usuario a radiaciones peligrosas GOST R Certification Mark Nordic Lithium Battery Cautions Norge Ved utskifting benyttes kun batteri som anbefalt av apparatfabrikanten Brukt batteri returneres apparatleverand ren 1 A D V A RS EL Litiumbatteri Eksplosjonsfare Sverige Anv nd samma batterityp eller en ekvivalent typ som rekommenderas av apparattillverkaren Kassera anv nt batteri enligt fabrikantens instruktion VARNING Explosionsfara vid felaktigt batteribyte Danmark fejlagtig h ndtering Udskiftning m kun ske med batteri af samme fabrikat og type Lev r det brugt
77. Sun StorEdge T3 array default that automatically disables a disk drive that has failed auto reconstruction The Sun StorEdge T3 array default that automatically reconstructs data onto a new disk drive from one of the other drives B buffering The process of data transfer between the host and the drives Glossary 1 C command line interface CLI controller unit E expansion unit erasable programmable read only memory EPROM F Fibre Channel Arbitrated Loop FC AL field replaceable unit FRU G gigabit interface converter GBIC Glossary 2 The interface between the Sun StorEdge T3 array s pSOS operating system and the user in which the user types commands to administer the array A Sun StorEdge T3 array that includes a controller card It can be use as a standalone unit or configured with other Sun StorEdge T3 arrays A Sun StorEdge T3 array without a controller card It must be connected to a Sun StorEdge T3 array to be operational Memory stored on the controller card useful for stable storage for long periods without electricity while still allowing reprogramming A 100 MB sec serial channel which allows connection of multiple devices disk drives and controllers A component that is easily removed and replaced by a field service engineer or a system administrator An adapter used on an SBus card to convert fiber optic signal to copper Sun StorEdge T3 and T3 Array Fi
78. Tools User s Guide Version 4 1 Part Number 816 0772 816 0774 816 0778 816 0777 816 0773 806 7979 816 1983 816 0776 806 1493 806 6383 806 4800 806 6645 806 6646 806 6647 806 6648 816 1179 Preface Xxix Accessing Sun Documentation Online You can access a select group of Sun technical documentation on the Web You can browse the documentation archive at http www sun com products n solutions hardware docs Sun Welcomes Your Comments Sun is interested in improving its documentation and welcomes your comments and suggestions You can email your comments to Sun at docfeedback sun com Please include the part number 816 0779 10 of your document in the subject line of your email xxx Sun StorEdge T3 and T3 Array Field Service Manual September 2001 CHAPTER 1 Troubleshooting Overview This chapter provides an introduction to some of the tools available to troubleshoot the Sun StorEdge T3 and T3 array and describes the following sections Section 1 1 Network Storage Overview on page 1 1 Section 1 2 Error Messages and Logs on page 1 2 Section 1 3 Sun StorEdge Component Manager on page 1 4 Section 1 4 Sun StorEdge StorTools Software on page 1 4 Section 1 5 Static Electricity Precautions on page 1 5 1 1 Network Storage Overview An understanding of a network storage environment is required before any troubleshooting can take p
79. ady nabled slav installed ulll ready nabled master installed 37 5 ull2 ready nabled slav installed 41 0 POWER STATUS STATE SOURCE OUTPUT BATTERY TEMP FANL FAN2 ulpcul ready enabled lin normal normal normal normal normal ulpcu2 ready enabled lin normal normal normal normal normal u2pcul ready enabled lin normal normal normal normal normal u2pcu2 ready enabled lin normal normal normal normal normal Chapter 8 Diagnosing and Correcting FC AL Loop Problems 8 5 8 2 2 The vol mode Command The vol mode command returns the current cache mode A cache status other than writebehind might indicate loop problems CODE EXAMPLE 8 2 vol mode Command Normal Ouputs lt 2 gt vol mode volume mounted cach mirror vO yes writebehind on v1 yes writebehind on 8 2 3 The port listmap Command The port listmap command returns the current controller to volume path One controller controlling all the configured volumes might indicate loop problems CODE EXAMPLE 8 3 port listmap Command Normal Ouput lt 3 gt port listmap port targetid addr_type lun volume owner access ulpl 1 hard 0 vO ul primary ulpl 1 hard 1 v1 u2 failover u2p1 2 hard 0 v0 ul failover u2pl 2 hard 1 vil u2 primary 8 2 4 The loop stat Command The loop stat command returns the current loop configuration with regard to the electrical connections between the loop cards A loop configuration other than the example below might indicate loo
80. and will change hdr_counter when downloading code into ROM this field will be updated accordingly by the ep command Currently only code_signature and hdr_counter affects the automatical selection done by level 1 code or level 2 code Of course code_cksum and hdr_cksum are used to validate the code Level 1 Controller Firmware This procedure upgrades the level 1 firmware in only one controller Therefore you must perform it twice for each array partner group Connect a console to the serial port the right RJ 45 port of the array See Section 2 1 Establishing a Serial Port Connection on page 2 1 Note The serial cables used by the Sun StorEdge T3 and T3 arrays are different Both cables are supplied in the F370 4119 02 Diagnostic Kit The T3 array uses the serial cable with RJ 11 connectors and the T3 array uses the serial cable with RJ 45 connectors Set up the tftp host See Section 2 5 Configuring a Server for Remote Booting on page 2 9 4 12 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 Reset the controller and press any key on the console when the system prompt appears within three seconds Set the bootmode and tftp settings as follows EP gt set bootmode tftp EP gt set tftphost XXX XXX XXX XXX Where xxx xxx xxx xxx is the host IP address Reset the T3 system with the reset y command T3B EP gt reset y Press a key from a se
81. arting snmpd Starting schd Checking disk positions Initializing host port ulpl ISP2100 firmware status 7 Host port ulpl TARGET_ID Oxffff ALPA Ox7c Starting psh Login C 8 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 C322 Sun StorEdge T3 Array Enterprise Configuration Starting T300 EP Release 2 10 1999 11 24 13 05 57 129 150 28 80 Copyright C 1997 1999 Sun Microsystems Inc All Rights Reserved Found units ul ctr u2 ctr auto boot is enabled hit the RETURN key within 3 seconds to cancel Default master is 1 Default alternate master is 2 Assigning Select IDs ul 1 u2 2 Loop A Configured as lt 12 gt Loop B Configured as lt 12 gt Disable CT Bypass LRC Initializing System Drivers Initializing XPT Component Initializing QLCF Component Initializing loop 1 ISP2100 firmware status 3 Detected 19 FC AL ports on loop 1 Initializing loop 2 ISP2100 firmware status 3 Detected 19 FC AL ports on loop 2 Initializing SVD Services Found 18 disks in the system Found 9 disks in Ul Found 9 disks in U2 Trying to boot from encid 1 Booting from U1D1 Executing Starting T300 Release 1 16 2000 08 21 19 42 08 129 150 28 80 Copyright C 1997 2000 Sun Microsystems Inc All Rights Reserved Appendix C Sun StorEdge T3 and T3 Array Messages C 9 Initializing software Found units
82. attery life For example specify that a battery refresh cycle begin on January 15 2001 at 11 p m the entry in the etc schd conf file BAT_BEG 1 15 2001 23 00 00 Note that the next refresh start time is always calculated from the start time of the previous refresh cycle If a user manually starts a refresh cycle then the next refresh depends on the starting time of the manually activated refresh cycle Note If a controller failover occurs the scheduler daemon starts and behave as it does during a normal system boot The scheduler reads the schd 1log file and based on schd conf file begins the next refresh process If during the discharge period 10 to 12 minutes or recharge period 10 to 12 hours a controller failover occurs the current refresh process is killed and the next refresh cycle starts at the scheduled refresh time based on the schd conf file Consequently the refresh cycles begins as scheduled previously The battery service life is 2 years When the battery approaches its end of life warning messages are sent to the syslog file The first message is sent 45 days before the end of life followed by a warning message every five days thereafter The Chapter 7 Power and Cooling Unit Assemblies 7 9 7 4 3 7 4 3 1 power and cooling unit that contains the battery must be replaced within forty five days of receiving the first warning message The warning message indicates which power and cooling un
83. beats Assigning Select IDs ul 1 u2 2 Initializing system drivers Initializing XPT component Initializing QLCF component Initializing loop 1 ISP2200 firmware status 3 Detected 19 FC AL ports on loop 1 Initializing loop 2 ISP2200 firmware status 3 Detected 19 FC AL ports on loop 2 Initializing SVD services Appendix C Sun StorEdge T3 and T3 Array Messages C 13 C 14 Det Tes Tes Tes Col Tes Ini ected data cache size in system 1GB ting ISP2200 Passed ting ECC mechanism Passed d Boot detected destructive tests OK ting data cache memory Passed Ini tializing Cache Memory tializing system DB structure Ini tializing configuration Ini tializing port configuration Ini N NNN tiali Mou Che Ini Rea Sta Wai ul u2 Sys Ini Sta Sta Sta Sta Sta Sta Sta Che Ini H S ta Log nting root volume cking local file system tializing network routes d PGR data Done rting Syslog Daemon ting for 1 slave controller s to come up Configuring local data Initializing drives tem has 1 active controller s talizing TE TP ss rting ftpd rting telnetd rting timed rting pshd rting httpd rting snmpd rting schd cking disk positions tializing host port ulpl ISP2200 firmware t port ulpl TARGET_ID Oxffff ALPA rt
84. bled data disk ready ready 45 vO uld3 ready enabled data disk ready ready 37 vO uld4 ready enabled data disk ready ready 35 vO uld5 ready enabled data disk ready ready 38 vO uld6 ready enabled data disk ready ready 39 vO uld7 ready enabled data disk ready ready 40 vO uld8 ready enabled data disk ready ready 38 vO uld9 ready enabled data disk ready ready 37 v0 lt 10 gt vol disable uld9 lt 11 gt fru s uld1 9 DISK STATUS STATE ROLE PORTI PORT2 TEMP VOLUME uldl ready enabled data disk ready ready 44 vO uld2 ready enabled data disk ready ready 45 vO uld3 ready enabled data disk ready ready 37 vO uld4 ready enabled data disk ready ready 35 vO uldd5 ready enabled data disk ready ready 38 vO uld6 ready enabled data disk ready ready 39 v0 uld7 ready enabled data disk ready ready 40 vO uld8 ready enabled data disk ready ready 39 vO uld9 fault disabled data disk ready ready vO Chapter 8 Diagnosing and Correcting FC AL Loop Problems 8 27 14 Remove and replace the suspect disk drive from the enclosure See Section 5 3 Repairing Disk Drives on page 5 7 The drive spins up and the sysarea data copies to it from another drive in the ul enclosure After the copy is complete a volume reconstruction starts 15 Stop the volume reconstruction operation Perform a proc list command to determine the process number of the volume reconstruction Use that process number with the proc kill command to stop the reconstruction
85. blishing a Serial Port Connection on page 2 1 Set the array boot mode to tftpboot T3 1 gt set bootmode tftp T3 1 gt set bootmode tftp bootdelay 3 sn 000596 ip 123 123 123 4 netmask 255 255 255 0 gateway 0 0 0 0 tfttphost 123 123 123 6 tftpfile nb100 bin hostname mgmts host spindelay 0 revision 0210 mac 00 20 2 00 02 ba rarp on 2 6 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 5 Set tftphost IP address and t ftp filename T300 EP gt set tftphost 123 123 123 6 T300 EP gt set tftpfile filename bin T300 EP gt set bootmode tftp bootdelay 3 sn 000596 ip 128 123 128 99 netmask 2552952590 gateway 0 0 0 0 tftphost 129 150 47 37 tftpfile nb113 bin hostname T3 1 spindelay 0 revision 0210 mac 00 20 2 00 02 ba rarp on 6 Reset the master to initiate the t ftp boot cycle T3 1 gt reset Starting T3 1 Release 2 10 1999 11 24 13 05 57 123 123 123 3 Copyright C 1997 1999 Sun Microsystems Inc All Rights Reserved Found units ul ctr tftp boot is enabled hit the RETURN key within 3 seconds to cancel Initializing TFTP Loading 123 123 123 6 nb113 bin login 7 Copy the firmware from the t ftp boot server to the Sun StorEdge T3 and T3 array Chapter 2 Connecting to the Sun StorEdge T3 and T3 Array 2 7 Note that ftp is initiated from the tftp server since at this point you are no longer on th
86. c The OPEN LOOK and Sun Graphical User Interface was developed by Sun Microsystems Inc for its users and licensees Sun acknowledges the pioneering efforts of Xerox in researching and developing the concept of visual or graphical user interfaces for the computer industry Sun holds a non exclusive license from Xerox to the Xerox Graphical User Interface which license also covers Sun s licensees who implement OPEN LOOK GUIs and otherwise comply with Sun s written license agreements Federal Acquisitions Commercial Software Government Users Subject to Standard License Terms and Conditions DOCUMENTATION IS PROVIDED AS IS AND ALL EXPRESS OR IMPLIED CONDITIONS REPRESENTATIONS AND WARRANTIES INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR NON INFRINGEMENT ARE DISCLAIMED EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD TO BE LEGALLY INVALID Copyright 2001 Sun Microsystems Inc 901 San Antonio Road Palo Alto CA 94303 4900 Etats Unis Tous droits r serv s Ce produit ou document est distribu avec des licences qui en restreignent l utilisation la copie la distribution et la d compilation Aucune partie de ce produit ou document ne peut tre reproduite sous aucune forme par quelque moyen que ce soit sans l autorisation pr alable et crite de Sun et de ses bailleurs de licence s il y en a Le logiciel d tenu par des tiers et qui comprend la technologie relative aux polices
87. cates the location of the volume unit 2 disk drives 1 through 8 a raid 5 is RAID level 5 a standby u2d9 is the location of the hot spare unit 2 drive 9 4 Check the status of the volumes to ensure that you created the volume correctly The status of all drives must be 0 For example lt 5 gt vol stat v0 uldl uld2 uld3 uld4 uld5 uld6 uld7 uld8 uld9 mounted 0 0 0 0 0 0 0 0 0 v1 u2d1 u2d2 u2d3 u2d4 u2d5 u2d6 u2d7 u2d8 u2d9 unmounted 0 0 0 0 0 0 0 0 0 lt 6 gt vol list volume capacity raid data standby vO 125 2 GB 5 uldl1 8 uld9 v1 125 2 GB 5 u2d1 8 u249 Chapter 10 Hardware Reconfiguration 10 13 5 Initialize the volume Depending on system activity at the time of initialization it can take up to an hour to initialize a volume Only one volume can be initialized at a time lt 7 gt vol init volume name data 6 After the vol init process has completed mount the volume lt 8 gt vol mount volume name 7 Use the luxadm 1M command on a Solaris host to recognize the new volume The luxadm 1M command probes for new devices Refer to the luxadm 1M man page for more information on this command a Make sure there is a dev es directory on the host system If not type mkdir dev es The dev es directory is necessary for running the luxadm command b On the host system type luxadm insert luxadm insert Note If the luxadm utility is not available
88. cordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception 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 m Reorient or relocate the receiving antenna m Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected m Consult the dealer or an experienced radio television technician for help Shielded Cables Connections between the workstation and peripherals must be made using shielded cables in order to maintain compliance with FCC radio frequency emission limits Networking connections can be made using unshielded twisted pair UTP cables Modifications Any modifications made to this device that are not approved by Sun Microsystems Inc may void the authority granted to the user by the FCC to operate this equipment ICES 003 Class A Notice Avis NMB 003 Classe A This Class A digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la classe A est conforme la norme NMB 003 du Canada ICES 003 Class B Notice Avis NMB 003 Classe B This Class B digital apparatus complies with Canadian ICES 0
89. cribes how to reconfigure two existing single controller units that contain data to form a partner group redundant controller units You will need two interconnect cables to connect the units See Appendix A for a part number and illustration of the interconnect cable This procedure includes the following sections Section 10 1 1 Preparing the Arrays on page 10 2 Section 10 1 2 Cabling a Partner Group on page 10 4 Section 10 1 3 Establishing a New IP Address on page 10 7 Section 10 1 4 Defining and Mounting Volumes on the Alternate Master on page 10 10 10 1 10 1 1 Preparing the Arrays 1 Decide which unit is the master controller and which is the alternate master 2 Back up the data on both arrays Caution Make sure you back up data on both units before proceeding You need to re create the volume s on the alternate master after cabling the units together 3 Ensure that the data path between the host and both arrays has been quiesced There must not be any I O activity 4 Start a Telnet session with both arrays a On the host use the telnet command with the array name or IP address to connect to the array telnet array_name Trying 129 150 47 101 Connected to 129 150 47 101 Escape character is psoSystem 129 150 47 101 b Log in to the array by typing root and your password at the prompts The array prompt is displayed 5 Verify that firmware levels
90. ctions marked on the equipment e Ensure that the voltage and frequency of your power source match the voltage and frequency inscribed on the equipment s electrical rating label e Never push objects of any kind through openings in the equipment Dangerous voltages may be present Conductive foreign objects could produce a short circuit that could cause fire electric shock or damage to your equipment Symbols The following symbols may appear in this book Caution There is risk of personal injury and equipment damage Follow the instructions Caution Hot surface Avoid contact Surfaces are hot and may cause personal injury if touched Caution Hazardous voltages are present To reduce the risk of electric shock and danger to personal health follow the instructions On Applies AC power to the system Depending on the type of power switch your device has one of the following symbols may be used cD Off Removes AC power from the system Standby The On Standby switch is in the standby position Modifications to Equipment Do not make mechanical or electrical modifications to the equipment Sun Microsystems is not responsible for regulatory compliance of a modified Sun product Placement of a Sun Product Caution Do not block or cover the openings of your Sun product Never place a Sun product near a radiator or heat register Failure to follow these g
91. cu2 power cooling unit TECTROL CAN 300 1454 01 0000 003134 ulmpn mid plane SCI SJ 370 3990 01 0000 000698 In this example a EPROM firmware version is listed as Controller card Revision 0210 a Disk drive firmware version is listed as Revision EA29 a Interconnect card loop card firmware version is listed as Revision 5 01 Flash c Upgrade firmware if necessary a If the firmware levels are the same on each unit then proceed to Step 6 a If the firmware levels for any of the four types of firmware are different between the master and alternate master upgrade the firmware that does not match on both units Refer to the upgrading firmware instructions in Section 4 3 Upgrading Controller Firmware on page 4 5 or in Chapter 5 of the Sun StorEdge T3 and T3 Array Installation Operation and Service Manual Chapter 10 Hardware Reconfiguration 10 3 6 On both units use the set z command to return critical array settings to factory defaults When prompted to respond answer y yes For example lt 3 gt set z WARNING Resetting system NVRAM to default are you sure N y t300 lt 4 gt Note The set z command resets the system cache block size back to the factory default 64 Kbytes If you want a block size other than the default change the size after connecting the partner group To change the block size delete the master unit volumes set the block size and then re create the master
92. current disk current format repair label analyze defect backup verify save inquiry scsi volname l lt cmd gt quit format gt scsi format and analyze the disk repair a defective sector write label to the disk surface analysis defect list management search for backup labels read and display labels save new disk partition definitions show vendor product and revision independent SCSI mode selects set 8 character volume name execute lt cmd gt then return0 3 Enter inquiry at the prompt SCSI MENU disk type partition select a disk select define a disk type select define a partition table describe the current disk current format repair label analyze defect backup verify save inquiry scsi volname l lt cmd gt quit scsi gt inquiry format and analyze the disk repair a defective sector write label to the disk surface analysis defect list management search for backup labels read and display labels save new disk partition definitions show vendor product and revision independent SCSI mode selects set 8 character volume name execute lt cmd gt then return0 3 10 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 The output of the inquiry command is as follows the sample output below assumes that mp_support is set to rw otherwise there is only one path to each volume Inquiry 00 00 03 12 5b 00 10 02 53 55 4e 20 20 20 20 20 serb
93. d 32 sec 128 gt sbus 1f 0 SUNW socal 1 0 sf 0 0 ssd w50020f2300000172 0 3 citld1 lt SUN T3 0100 cyl 34145 alt 2 hd 32 sec 128 gt sbus 1f 0 SUNW socal 1 0 sf 0 0 ssd w50020 230000015a 0 4 c2t2d0 lt SUN T3 0100 cyl 34145 alt 2 hd 64 sec 128 gt sbus e 0 SUNW socal d 0 sf 0 0 ssd w50020f2300000172 1 5 c2t2dl1 lt SUN T3 0100 cyl 34145 alt 2 hd 32 sec 128 gt sbus e 0 SUNW socal d 0 sf 0 0 ssd w50020f230000015a 1 Specify disk enter its number 2 selecting clt1d0 disk formatted neguns In this example four Sun StorEdge T3 disk devices are shown as disk numbers 2 through 5 They are identified by the SUN T3 0100 label Note To view device paths using the format command the mp_support setting on the array must be set to rw For more information on the mp_support setting refer to the Sun StorEdge T3 and T3 Array Administrator s Guide In this example selection 2 c1t1d0 is the primary path while selection 4 c2t2d0 is the alternate path in the partner group Since both these paths have the same number 50020 2300000172 they point to the same volume The following step determines whether selection 2 is the primary or alternate path to the logical volume Chapter 3 Diagnosing Problems 3 9 2 Enter scsi to select SCSI menu FORMAT MENU disk type partition select a disk select define a disk type select define a partition table describe the
94. d sind daher fiir Computersysteme nicht geeignet Achtung Ihr Sun Ger t wird mit einem dreiadrigen Netzkabel fiir geerdete Netzsteckdosen geliefert Um die Gefahr eines Stromschlags zu reduzieren schlie en Sie das Kabel nur an eine fachgerecht verlegte geerdete Steckdose an Die folgende Warnung gilt nur fiir Ger te mit Wartezustand Netzschalter Achtung Die Ein Aus Schalter dieses Ger ts schalten nur auf Wartezustand Stand By Modus Um die Stromzufuhr zum Ger t vollst ndig zu unterbrechen m ssen Sie die Netzkabel aus der Steckdose ziehen Alle Netzkabel miissen ausgesteckt sein um die Stromverbindung zum Produkt zu unterbrechen Schlie en Sie die Stecker der Netzkabel an eine in der N he befindliche frei zug ngliche geerdete Netzsteckdose an Lithiumbatterie Achtung Systemsteuerungskarten verf gen ber eine Echtzeituhr mit integrierter Lithiumbatterie Teile Nr MK48T59Y MK48TXXB XX MK48T18 XXXPCZ M48T59W XXXPCZ M4T28 XXYYSHZ oder MK48T08 Diese Batterie darf nur von einem qualifizierten Servicetechniker ausgewechselt werden da sie bei falscher Handhabung explodieren kann Werfen Sie die Batterie nicht ins Feuer Versuchen Sie auf keinen Fall die Batterie auszubauen oder wiederaufzuladen Batterien HHR200SCP enth lt eine Nickel Metall Hydridbatterie Werden bei der Behandlung oder beim Austausch der Batterie Fehler gemacht besteht Explosionsgefahr Tauschen Sie Batter
95. d your password at the prompts The array prompt is displayed Chapter 10 Hardware Reconfiguration 10 15 4 Power off both units a Type lt 5 gt shutdown Shutdown the system are you sure N K b Press the power button once on each power and cooling unit to turn the switch off 5 Remove the interconnect cables from the back of each array Vi 000 Vi 000 nee Interconnect cables FIGURE 10 4 Interconnect Cable Location At this point you can physically move the arrays apart If you are moving the arrays to different locations remove the other cables Replace all cables except the interconnect cable when the arrays are at their permanent locations Note Do not power on the arrays until you complete the instructions in Section 10 2 2 Establishing a New IP Address on page 10 17 10 16 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 10 2 2 10 2 3 Establishing a New IP Address In a partner group the alternate master unit assumes the IP address of the master unit When the partner group is disconnected assign a new IP address to the previous alternate master unit for it to operate as a single controller unit The JumpStart feature automatically downloads a newly assigned IP address to the array To enab
96. dg fast_test u lt 1 8 gt 1 lt 1 2 gt count lt loops gt ofdg fast_find u lt 1 8 gt 1 lt 1 2 gt ofdg find u lt 1 8 gt 1 lt 1 2 gt The ofdg parameters are m health_check does a fast Go No Go test of both loops using the current loop configuration health_check uses fast_test but no other parameters are required See Section 8 3 8 1 The health_check Option on page 8 18 for additional details m fast_test does a fast Go No Go test of the selected enclosure and loop with the current loop configuration See Section 8 3 8 2 The ofdg fast_test Option on page 8 18 for additional details m fast_find does a fast Go No Go test of the selected enclosure and loop It also runs a simplified loop fault isolation diagnostic See Section 8 3 8 3 The ofdg fast_find Option on page 8 19 for additional details m find does an extensive Go No Go test If loop failures are detected it automatically initiates the full loop fault isolation diagnostic This is similar to ondg find See Section 8 3 8 4 The ofdg find Option on page 8 19 for additional details See Section 8 4 3 Off Line Drive Diagnostics and Replacement on page 8 23 for a step by step description of using this utility to diagnose and replace a bad drive Caution There are limitations to using the ofdg utility Make sure you are aware of these limitations before running ofdg The following are limitations for using ofdg m Bef
97. dures on page 8 21 There are several failure conditions within the back end loop that do not appear as a failed FRU status These kind of failures can only be diagnosed by collecting data from various sources within the system such as iostat performance data CLI status commands StorTools StorTools message monitoring Component Manager the Sun StorEdge T3 array syslog and the FC AL connected host messages file Data from these sources is used to determine the most likely failed FRU within the Sun StorEdge T3 array system 8 1 Overview The procedures in this chapter assume that the person servicing the equipment has been trained on the product and that the required service manuals are available A serial maintenance cable kit must be available part number 370 4119 along with a terminal or host port connection Note In order to collect the information required to diagnose back end FC AL loop problems several of the engineering only dot commands must be used Only the status options of these dot commands are used 8 1 Diagnosing and correcting back end FC AL loop problems can take up to five steps 1 Determine that there has been a failure in the back end drive loop Diagnosing the problem requires that you analyze the collected data and make a determination of which is the most likely failed FRU from the data available This procedure is described in Section 8 3 Diagnosing an FC AL Loop on page 8 10
98. e batteri tilbage til leverand ren i ADVARSEL Litiumbatteri Eksplosionsfare ved Suomi virheellisesti asennettu Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin H vit k ytetty paristo valmistajan ohjeiden mukaisesti i VAROITUS Paristo voi r j ht jos se on Safety Agency Compliance Statements xiii xiv Sun StorEdge T3 and T3 Array Field Service Manual September 2001 Contents Regulatory Compliance Statements iii Preface xxv Troubleshooting Overview 1 1 1 1 1 2 1 3 1 4 1 5 Network Storage Overview 1 1 Error Messages and Logs 1 2 1 2 1 Sun StorEdge T3 Array Generated Messages 1 2 12 2 Host Generated Message 1 2 Sun StorEdge Component Manager 1 4 Sun StorEdge StorTools Software 1 4 Static Electricity Precautions 1 5 Connecting to the Sun StorEdge T3 and T3 Array 2 1 2 1 2 2 2 3 2 4 2 5 2 6 Establishing a Serial Port Connection 2 1 Establishing a Telnet Session 2 3 Establishing an FTP Session 2 5 Using t ftpboot to Boot a Single Array or a Partner Group Remotely 2 6 Configuring a Server for Remote Booting 2 9 Setting Up Remote Logging 2 10 XV Diagnosing Problems 3 1 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 Diagnostic Information Sources 3 1 Troubleshooting Flow Charts 3 3 Initial Troubleshooting Guidelines 3 7 3 3 1 Troubleshooting Sources 3 7 3 3 2 Troubleshooting Checks 3 7 Verifying the Data Host Connection 3 8 St
99. e array mgmt_host ftp 123 123 123 3 Connected to 123 123 123 3 220 123 123 123 3 pSOSystem FTP server NUPPC 2 0 0 G ready Name 123 123 123 3 root root 331 Password required for root Password 230 User root logged in ftp gt led tftpboot Local directory now tftpboot ftp gt bin 200 Type set to I ftp gt put filename bin 200 PORT command successful 150 Opening BINARY mode data connection for filename bin 226 Transfer complete local filename bin remote filename bin 2514468 bytes sent in 51 seconds 47 87 Kbytes s ftp gt Where filename bin is the name of the current firmware file For example nb113 bin 8 Boot the newly transferred controller firmware image on the master lt 3 gt boot i filename bin file header size 265e14 checksum be4ec46 start 20010 base 20000 This copies the firmware to the bootable reserved areas on the local disk 9 Set the bootmode back to auto If you forget this step the system will continue doing t ftpboots lt 4 gt set bootmode auto 10 Reset the system lt 5 gt reset Reset the system are you sure N y 11 Reconnect the Ethernet cable to the alternate master 2 8 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 2 9 Set permissions to allow users read write access Configuring a Server for Remote Booting If a Sun StorEdge T3 and T3 array is unable to boot you can
100. e latest firmware versions are located on the SunSolve web site http sunsolve sun com Firmware is released as a patch which consists of an entire tar file with an automated uploader script that copies the files including the ep and 1pc images to the Sun StorEdge T3 array being upgraded The generalized firmware upgrade procedures described below must be done through the Ethernet connection The firmware must be resident on the host for this operation Note Create a supervisor password for the Sun StorEdge T3 and T3 array prior to attempting this procedure To upgrade the EPROM firmware Use ftp to transfer the firmware to the storage systems directory using binary mode See Section 2 3 Establishing an FTP Session on page 2 5 Establish a Telnet connection to the array See Section 2 2 Establishing a Telnet Session on page 2 3 Install the firmware using the ep download command lt 2 gt ep download filename The ep download command updates all controllers in a partner group at the same time The EPROM firmware is effective immediately after download A reset is not required However the release version number is not updated ina fru list output until the array is rebooted Chapter 4 Controller Card Assembly 4 7 4 3 2 4 3 2 1 Sun StorEdge T3 Array Controller Firmware Boot Code Explanation There are three levels of boot code a The first level selects and jumps to one of the t
101. e user which copy is selected as a feedback The level 1 code starts at OxFFF00100 and extends to OxFFF20000 If there is no valid level 2 code the code prints 0 after T3B and reboot 4 8 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 Second Level Boot Code The second level boot code is comparable to the EPROM mode of the Sun StorEdge T3 Array except the auto bootmode will boot from ROM instead of from disks The level 2 code allows the user to m Set basic system configuration For example IP Gateway and bootmode a Allow tftpboot for the level 3 code m Allow autoboot for the level 3 code a Allow update of the ROM code when bootmode is t ftp There are two copies of level 2 code one in 0xFFF40000 OxFFF9FFFF the other in OxFFFA0000 0xFFFFFFFF To update the EPROM the following commands should be used m ep netloadl filename This updates the level 1 boot code Since there is only one copy of level 1 code in ROM if this update fails the controller may not be able to boot after the failure m ep netload2 filename This updates the level 2 boot code Two copies of level 2 boot code are kept in ROM Level 1 boot code selects the most recent updated one to boot The user can override the automatic selection by typing 1 or 2 within 1 5 seconds after T3B is displayed on the console If the command fails in the middle of update it will be an invalid level 2 code and level 1 code will not select the
102. e when the unit is powered on However the former alternate master unit might be operating on an outdated file system If you apply a firmware patch to the arrays while they were connected in the partner group the files contained on the array s reserved system area are not upgraded on the alternate master but only on the master unit When the units are disconnected the alternate master unit reverts to the file system stored on its reserved system area To correct this situation and ensure that the array is ready for operation 1 Install the latest firmware patch on the array This patch is available on the SunSolve web site http sunsolve sun com 10 20 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 a From the SunSolve web site select Patches under the SunSolve Online column b Select the Storage Products option from the Patches web page Refer to the README file on the web page for specific details on installing the patch for the Sun StorEdge T3 array firmware 2 Use the vol list and vol stat commands to verify that the volume s is mounted correctly For example lt 7 gt vol list volume capacity raid data standby v1 289 6 GB 5 uldl1 9 none lt 8 gt vol stat v1 uld1 uld2 uld3 uld4 uld5 uld6 uld7 uld8 uld9 mounted 0 0 0 0 0 0 0 0 0 3 Use the fru list and fru stat commands to verify that the array is functional and ready for operation For example lt 9 gt
103. ed and is being reconstructed Noo NN GDF QO N Drive substituted 5 2 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 5 1 2 Checking the Hot Spare 1 Use the vol list command to check the location of the hot spare standby drive lt 41 gt vol list volume capacity raid data standby v0 125 2 GB 5 uldl1 8 uld9 v1 125 2 GB 5 u2d1 8 u2d9 2 Use the vol stat command to check the status of the hot spare drive lt 42 gt vol stat v0 uldl uld2 uld3 uld4 uld5 uld6 uld7 uld8 uld9 mounted 0 0 0 0 0 0 0 0 0 v1 u2d1 u2d2 u2d3 u2d4 u2d5 u2d6 u2d7 u2d8 u2d9 mounted 0 0 0 0 0 0 0 0 0 All drives should show a status of 0 See TABLE 5 1 for definitions of drive status codes Chapter 5 Disks and Drives 5 3 515 Checking Data Parity Caution It can take up to several hours for the parity check once the vol verify command is executed Execution of this command might affect system performance depending on system activity and the verification rate selected Use the vol verify command to perform a parity check of the drives lt 7 gt vol verify volume name You can also use the fix and rate options lt 7 gt vol verify volume name fix rate lt 1 8 gt Where m fix recalculates and rewrites the parity block if a mismatch is detected m rate specifies the speed with 1 slowest and 8 fastest Note The vol command is not re entrant Other vol commands cannot ru
104. ed information Unit number n 1 or 2 power cooling unit number n 1 or 2 lt 51 gt id read unpcun Revision 0000 anufacture Week Battery Install Week Battery Life Used Battery Life Span Serial Number Vendor ID odel ID Battery Warranty Date Battery Internal Flag 00421999 00421999 24 days 21 hours 730 days 12 hours 005277 20000124142032 0x00000000 TECTROL CAN 300 1454 01 50 Chapter 7 Power and Cooling Unit Assemblies 7 7 4 Use the refresh s command to check the status of a battery refresh cycle The following examples show a battery refresh in progress and a normal battery status no refresh cycle lt 53 gt refresh s PCUL PCU2 Ul Completed Recharging Current Time Fri May 26 18 32 07 2000 Start Time Thu May 25 20 31 19 2000 Last Refresh Thu May 11 20 27 53 2000 Next Refresh Thu Jun 08 20 31 19 2000 Total time elapsed 22 hours 0 minutes 48 seconds lt 53 gt refresh s No battery refreshing Task is currently running PCUL PCU2 U1 Normal Normal U2 Normal Normal Current Time Wed Dec 08 18 54 26 1999 Last Refresh Fri Nov 12 07 41 51 1999 7 4 2 Battery Maintenance The battery refresh cycle occurs automatically once every 14 days The battery refresh cycle is sequential ensuring that only one battery in a unit is refreshed at a time The refresh cycle consists of a 10 12 minute discharge period followed by a recharge period of 10 to 1
105. eiving AC power e Power switch is turned on e AC power is available Amber Amber e Switch is off Array powers off after PCU is disabled Chapter 7 Power and Cooling Unit Assemblies 7 3 TABLE7 1 Power and Cooling Unit LED Descriptions Continued AC LED Green PS LED or Amber Green or Amber Description Green Amber Indicates one or more of following e Over temperature condition PCU disabled e DC power not available PCU disabled e Both fans fault PCU disabled e Battery on refresh cycle Green Blinking green e Battery not ready charging Green Blinking amber Indicates one or more of following e PCU disabled e One fan fault e Battery hold time low PCU remains enabled e Battery out of warranty PCU remains enabled e Battery life span failure PCU remains enabled Note Verify a power and cooling unit failure using the CLI or Component Manager Note Even if the LED indicates a power cooling unit failure always verify the FRU status using either the CLI or Component Manager before replacing the power cooling unit Refer to Section 3 7 3 Checking FRU Status on page 3 18 or the Sun StorEdge Component Manager User s Guide for instructions 7 3 Removing and Replacing a Power and Cooling Unit Caution To ensure correct airflow for system cooling both power and cooling units must be in the installed position for normal operation A failed power and cooling unit should be removed only when a replacement
106. eld Service Manual September 2001 gigabyte GB or Gbyte graphical user interface GUI H hot spare hot swap I input output operations per second IOPS interconnect cable interconnect card L light emitting diode LED logical unit number LUN loop cable loop card One gigabyte is equal to one billion bytes 1x109 A software interface that enables configuration and administration of the Sun StorEdge T3 array using a graphic application A drive in a RAID 1 or RAID 5 configuration that contains no data and acts as a standby in case another drive fails The characteristic of a field replaceable unit FRU to be removed and replaced while the system remains powered on and operational A performance measurement of the transaction rate An FC AL cable with a unique switched loop architecture that is used to interconnect multiple Sun StorEdge T3 arrays Sometimes referred to as a loop cable A array component that contains the interface circuitry and two connectors for interconnecting multiple Sun StorEdge T3 array units Sometimes referred to as a loop card A device that converts electrical energy into light that is used to display activity One or more drives that can be grouped into a unit also called a volume Interconnect cable Interconnect card Glossary 3 M master unit media access control MAC address media interface adapter MIA megabyte MB or Mbyte
107. em to start booting m If the disk tray is already running you can reboot by issuing a boot command with options Screen messages similar to the following appear gt tip 9600 dev ttyb Connected T3 EP Release 2 10 1999 11 24 13 05 27 IP Address of tray Copyright c 1997 1999 Sun Microsystems Inc All Rights Reserved Found units ul ctrl u2 ctr auto boot is enabled hit the RETURN key within 3 seconds to cancel Default master is 1 Default alternate master is 2 Initializing System Drives Initializing XPT Components Initializing QLCF Components Initializing Loop 1 ISP2100 firmware status 3 Detecting 20 FC AL ports on loop 1 Initializing Loop 2 ISP2100 firmware status 3 Detecting 20 FC AL ports on loop 2 Initializing SVD Services Found 18 disks in the system Found 9 disks in U1 Found 9 disks in U2 Trying to boot from encid 1 Booting from U1D1 Executing Starting Login root password root password Once the array starts a full boot any system problems detected by the system are displayed pSOSystem also identifies any controllers not responding or if the master has failed over to the alternate master in the boot messages 3 12 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 Firmware status codes are good indicators of internally detected system and configuration problems In the previous boot message example a firmware sta
108. en marked as failed missing or disabled by the array firmware no red highlighted FRU appears in the GUI display Most back end loop problems do not change FRU status The example failure illustrated in Section 8 3 3 does not change the normal status displayed by the GUI If the array marks a FRU as failed Component Manager displays that change in status That FRU becomes the first choice for removal and replacement Manual Examination of the syslog File If neither StorTools message monitoring nor Component Manager are running the Sun StorEdge T3 and T3 array CLI interface can be used to examine the unit s syslog Use either the cat or more command on the log file Either command outputs the complete log to the Telnet or Tip session screen Alternatively you can Chapter 8 Diagnosing and Correcting FC AL Loop Problems 8 13 8 3 6 ftp the syslog file to the telnet or tip host and examine it with a text editor capable of performing text searches with a character match In the case of the example shown above a search would be done for the error message type field of a W Such a search might display data similar to the following Mar Mar Mar Mar Mar Mar 07 07 07 07 07 07 18 18 18 18 18 18 33 33 33 334 33 33 22 22 22 22 22 22 ISR1 1 W uld9 SVD_PATH_FAILOVER path_id 0 ISR1 1 W uld8 SVD_PATH_FAILOVER path_id 0 ISR1 1 W uld7 SVD_PATH_FAILOVER path_id 0 I
109. en place Ne remplacez cette batterie que par une batterie Sun Microsystems du m me type Ne la d montez pas et n essayez pas de la recharger hors du syst me Ne faites pas br ler la batterie mais mettez la au rebut conform ment aux r glementations locales en vigueur Couvercle Attention il est dangereux de faire fonctionner un produit Sun sans le couvercle en place Si l on n glige cette pr caution on encourt des risques de blessures corporelles et de d g ts mat riels Conformit aux certifications Laser Les produits Sun qui font appel aux technologies lasers sont conformes aux normes de la classe 1 en la mati re Class 1 Laser Product Luokan 1 Laserlaite Klasse 1 Laser Apparat Laser Klasse 1 Attention l utilisation de contr les de r glages ou de performances de proc dures autre que celle sp cifi e dans le pr sent document peut provoquer une exposition des radiations dangereuses Normativas de seguridad El siguiente texto incluye las medidas de seguridad que se deben seguir cuando se instale alg n producto de Sun Microsystems Precauciones de seguridad Para su protecci n observe las siguientes medidas de seguridad cuando manipule su equipo e Siga todos los avisos e instrucciones que se indican en el equipo e Aseg rese de que el voltaje y la frecuencia de la red el ctrica concuerdan con las descritas en las etiquetas de especificaciones el ctricas del equipo
110. er can be accessed by a controller in its current configuration If the link status register cannot be accessed this may indicate a path problem to those disk s ports 8 8 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 Note The Telnet session will always run the command through the master controller Although it is possible to connect directly to the alternate controller it is not supported CODE EXAMPLE 8 6 disk linkstat Command Normal Ouput lt 9 gt disk linkstat uld1 9 path 0 DISK LINKFAIL LOSSSYNC LOSSSIG PROTOERR INVTXWORD INVCRC uldl 1 10 0 0 77 0 uld2 1 al 0 0 20 0 uld3 2 24 0 0 112 0 uld4 1 10 0 0 78 0 uld5 1 1 0 0 20 0 uld6 1 7 0 0 90 0 uld7 1 11 0 0 76 0 uld8 1 2 0 0 20 0 uld9 1 16 0 0 45 0 The status for the command example shown below is correct for the normal loop configuration when you execute the command from the alternate controller CODE EXAMPLE 8 7 disk linkstat Command Normal Ouput alternate lt 28 gt disk linkstat uld1 9 path 0 DISK LINKFAIL LOSSSYNC LOSSSIG PROTOERR INVTXWORD INVCRC uldi 1 16 0 0 10 0 uld2 1 1 0 0 0 0 uld3 3 ST 0 0 102 0 uld4 1 T2 0 0 75 0 uld5 1 0 0 0 0 uld6 1 13 0 0 76 0 uld7 1 13 0 0 T 0 uld8 1 4 0 0 0 0 uld9 1 16 0 0 75 0 pass Chapter 8 Diagnosing and Correcting FC AL Loop Problems 8 9 CODE EXAMPLE 8 7 disk linkstat Command Normal Ouput alternate
111. er notice that when the starting location is 0x20000 the image in the file is loaded to 0x20040 in RAM The first 0x40 bytes are occupied by the header information That is to say that the code_base includes the space occupied by the header information Each level of boot code has a unique signature For example the level 3 signature is P2L3 The revision of the code The subrevision of the code The date stamp of the code For example 20001225 means 2000 12 25 The time stamp of the code For example 01020300 means 01 02 03 Chapter 4 Controller Card Assembly 4 11 4 3 2 2 TABLE 4 4 Channel Active LED Descriptions Header Description hdr_counter For the file to be downloaded to ROM by the ep command to RAM through tftp this field should be 1 But after the code is programmed into ROM the ep command will change this field automatically This field is used to identify which of two copies of level 2 code or level 3 code is newer The smaller the value is the older the code is Thus OxFFFFFFFF is older than 0xFFFFFFFE The ep command will automatically update this field by taking the value of this field from the other copy and add 1 to the value code_flags This field is used to identify whether special handling of the code file is needed For example the code file may be zipped when it needs to be unzipped before uploading to RAM hdr_cksum This is the checksum for the header portion Since the ep comm
112. eral minutes after powering on for the units to be ready 1 Start a Telnet session with the master controller unit a On the host use the telnet command with the array name or IP address to connect to the master unit telnet disk_tray_name Trying 129 150 47 101 Connected to 129 150 47 101 Escape character is pSOSystem 129 150 47 101 Note The Telnet session verifies that your network connection is good If you cannot connect through the Telnet session you might have miscabled the partner group See Section 3 8 Identifying Miscabled Partner Groups on page 3 19 to determine if this is the problem If the partner group is cabled correctly then the IP address might not be assigned correctly If you suspect this as the problem verify the IP address in a serial cable connection and verify that the RARP server is functional b Log in to the array by typing root and your password at the prompts The array prompt is displayed 10 10 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 2 Check the FRU status using the fru list and fru stat commands Make sure that all FRUs are displayed and that FRU conditions are good as shown in the following examples lt 1 gt fru list
113. es SUN 54 33 30 30 20 20 20 20 20 20 20 20 20 20 20 20 T3 30 30 39 36 30 30 30 30 30 32 35 38 31 30 00 00 01000000025810 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Vendor SUN Product T3 Revision 0100 Removable media no Device type 0 The seventh byte in the inquiry screen bold for this example indicates whether the LUN is the primary or alternate path 10 indicates primary path 30 indicates alternate path In this example c1t1d0 is the primary path Rony Verifying Hub Connectivity The StorTools application tests include testing any hubs in the data path If you suspect a hub related problem use the StorTools A5x00 FRU Isolation tool iltr in manual mode and the disk tray FRU Isolation tool sedr in verbose mode as described in the Sun StorEdge StorTools User Guide Note Running the StorTools application affects performance 3 6 Checking Array Boot Status 1 Establish a serial connection with the array as described in Section 2 1 Establishing a Serial Port Connection on page 2 1 Chapter 3 Diagnosing Problems 3 11 2 Boot the array There are several ways to initiate a boot cycle m Power off the Sun StorEdge T3 or T3 array and power on again a Log into a disk tray and issue a reset command a Log into a disk tray and issue a shutdown command this requires a power cycle to get the syst
114. essage Level Description Error Indicates a critical system or storage network event or failure requiring immediate intervention or attention Warning Indicates a possible system or storage network event or failure requiring eventual intervention Notice Indicates a system event that could be a normal periodic notification a system fault operator keyboard commands or a result of other events Information Indicates a system event that has no impact upon the system or storage networks ability to perform tasks The syntax of the error message uses a field replaceable unit FRU identifier to refer to a particular FRU in a Sun StorEdge T3 and T3 array TABLE 1 2 This identifier contains a unit constant u the unit number n the FRU constant ctr for controller card pcu for power and cooling unit 1 for unit interconnect card d for disk drive and the FRU number n TABLE 1 2 FRU Identifiers FRU Identifier Unit number Controller card unctr n unit number 1 2 Power and cooling unit unpcun n unit number 1 2 n pcu number 1 2 Unit interconnect card unln n unit number 1 2 n interconnect number 1 2 Disk drive undn n unit number 1 2 n disk drive number 1 to 9 Chapter 1 Troubleshooting Overview 1 3 1 3 Sun StorEdge Component Manager The Sun StorEdge T3 and T3 array array can be used with management software such as Sun StorEdge Component Manager to aid in its opera
115. estique avec votre produit Sun cordon d alimentation 4 trois fils avec prise de terre Pour carter tout risque d lectrocution branchez toujours ce cordon dans une prise mise la terre Attention votre produit Sun a t livr quip d un L avertissement suivant s applique uniquement aux syst mes quip s d un interrupteur VEILLEUSE Attention les commutateurs d alimentation de ce produit fonctionnent comme des dispositifs de mise en veille uniquement Ce sont les prises d alimentation qui servent mettre le produit hors tension Vous devez d brancher TOUTES les prises d alimentation afin de couper l alimentation du produit Veillez donc installer le produit proximit d une prise murale facilement accessible Batterie au lithium Attention sur la carte de contr le du syst me une batterie au lithium r f rence MK48T59Y MK48TXXB XX MK48T18 XXXPCZ M48T59W XXXPCZ M4T28 XXXYYSHZ ou MK48T08 a t moul e dans l horloge temps r el SGS Les batteries ne sont pas des pi ces remplacables par le client Elles risquent d exploser en cas de mauvais traitement Ne pas jeter la batterie au feu Ne pas la d monter ni tenter de la recharger Bloc batterie Attention l alimentation du produit contient une batterie nickel hydrure m tallique Panasonic mod le HHR200SCP Il existe un risque d explosion si cette batterie est manipul e de fa on erron e ou mal mise
116. ets are transmitted If you observe no transmissions during a reboot of the array verify that the MAC address on the array label matches the MAC address configured on the RARP server Netmask is incorrect The default netmask address used on the array is 255 255 255 0 If the local subnet uses a different netmask the RARP operation might not work Inoperable network connections If using hubs to connect to the network try eliminating or replacing the hub Incorrect IP address Connect to the array through the serial port and verify that the IP address is correct 3 22 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 3 9 Identifying Data Channel Failures The data channel encompasses the host data path that extends from the host bus adapter to the media interface adapter MIA attached to the array Errors in the host data channel are outside of the scope of the Sun StorEdge T3 and T3 array To determine failures in the data path use host based application diagnostics such as the StorTools product for the Solaris operating environment Refer to the documentation of the selected diagnostics tool for information on identifying data channel failures Chapter 3 Diagnosing Problems 3 23 3 24 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 CHAPTER 4 Controller Card Assembly This chapter describes how to monitor and replace the controller card and how to upgrade the firmware The
117. existing hub configuration To change the port ID on a Sun StorEdge T3 array Connect to the array in a telnet session See Section 2 2 Establishing a Telnet Session on page 2 3 for instructions Use the port command on the array to change the port ID You must select a new numerical value for the port identifier For example to change a port id on ulp1 from a value of 1 to a value of 20 Type lt 1 gt port set ulpl targetid 20 3 On the array type reset for the new port ID to take effect Chapter 10 Hardware Reconfiguration 10 23 10 24 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 APPENDIX A Illustrated Parts Breakdown This appendix contains part numbers and illustrations of field replaceable units FRUs The following assemblies are illustrated in this chapter Section A 1 Sun StorEdge T3 Array on page A 2 Section A 2 Sun StorEdge T3 Array Assemblies on page A 3 Section A 3 Door Assembly on page A 4 Section A 4 Interconnect Card Assembly on page A 5 Section A 5 Power Supply and Cooling Unit on page A 6 Section A 6 Controller Card on page A 7 Section A 7 Drive Assembly on page A 8 Section A 8 Cable and Interconnect Assemblies on page A 9 A 1 Sun StorEdge T3 Array FIGURE A 1 Sun StorEdge T3 Array Front View A 2 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 A 2 Sun StorEdge T3 Array
118. figure the data host to recognize the new WWNs 9 8 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 24 Configure the data host to recognize the new WWNs by executing the following command on the data host datahost drvconfig disks devlinks Note Any applications specifically dependent on the volume s device path also need to be changed Refer to each application s documentation for instructions 25 Execute a format command on the data host to verify that the Sun StorEdge T3 and T3 array devices are seen The Sun StorEdge T3 and T3 array volumes are now usable by the data host and can be mounted or re enabled with the appropriate volume manager software Chapter 9 Chassis Backplane Assembly 9 9 9 10 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 CHAPTER 10 Hardware Reconfiguration This chapter provides procedures for reconfiguring existing array hardware to create new configurations It includes the following sections m Section 10 1 Connecting Single Controller Units to Form a Partner Group on page 10 1 m Section 10 2 Disconnecting a Partner Group to Form Single Controller Units on page 10 15 m Section 10 3 Changing the Port ID on the Array on page 10 23 10 1 Connecting Single Controller Units to Form a Partner Group Caution This procedure destroys data Back up all your data before beginning this procedure This section des
119. filel bin is acceptable a 1file bin is not acceptable m The characters can be a combination of the following a alphabetic letters a digits 0 through 9 m Special characters such as _ underscore a period a dollar symbol a dash m Names are case sensitive For example ABC and abc are different files Make sure the latest firmware versions are installed and that the array configuration information indicates that the unit is ready for operation Check the firmware versions and array information in a telnet session with the array 1 On the host use the telnet command with the array name or IP address to connect to the array For example telnet array name TEyrng 2312S 23ean Connected to 123 123 123 3 Escape character is psoSystem 123 123 123 3 2 Log in to the array by typing root and the supervisor password at the prompts The array prompt is displayed 3 16 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 3 Enter ver to identify the controller firmware For example lt 5 gt ver T3 Release 1 13 2000 05 17 16 15 41 129 150 47 104 Copyright C 1997 2000 Sun Microsystems Inc All Rights Reserved The ver command displays the header information In the example above the controller firmware is listed as Release 1 13 4 Enter fru list to display the firmware for the disk drives interconnect card and EPROM level In t
120. g by Component Manager is blocked during the course of this test Component Manager may report rejected requests or other problems To administer and monitor the test connect a serial maintenance cable and open a Tip session to the Sun StorEdge T3 and T3 array The following steps describe how to test for the above example of a suspected loop 1 path 0 problem Note Before running the ofdg utility all disks other than those located in the ul tray must be assigned to a LUN Problems may occur if ofdg is run on systems where non u1 disks have not been assigned to volumes Make sure that all disks other than ul are assigned to a LUN Quiesce all I O going to all volume s in that disk array and associated partner group Notify all applications to stop accessing any affected volumes This may require stopping the application Verify that all drive activity has stopped The solid green drive activity LEDs indicate that the drives are idle Chapter 8 Diagnosing and Correcting FC AL Loop Problems 8 23 3 If the disk array is using any volume manager software such as VERITAS disable transactions to the volumes that reside on the array backplane you wish to replace and all other volumes in that partner group Consult the appropriate volume manager documentation for information on disabling the data hosts access to the array volumes 4 Unmount the volume s from the Solaris host unmount T3 filesystem name 5 Unmount
121. handle 8 Reconnect the interconnect cable to the interconnect card 9 Verify that the LEDs on the interconnect card show that the interconnect card has initialized properly 10 Verify the status of the interconnect card using either the CLI or Component Manager Refer to Section 3 7 3 Checking FRU Status on page 3 18 or the Sun StorEdge Component Manager User s Guide for instructions 6 4 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 11 Type lpc version to view and verify the firmware level of the new interconnect card See Section 6 3 Upgrading Interconnect Card Firmware on page 6 5 for instructions if necessary 6 3 Upgrading Interconnect Card Firmware The interconnect card firmware is stored in the FLASH memory device on the interconnect card The array can be operational during the interconnect card firmware upgrade The firmware upgrade procedures that follow must be done through the Ethernet connection The latest firmware versions are located on the SunSolve web site http sunsolve sun com a The firmware must be resident on the host for this operation m The Sun StorEdge T3 and T3 arrays must have a supervisor password prior to attempting this procedure To upgrade the firmware Use ftp to transfer the firmware to the storage system s directory using binary mode See Section 2 3 Establishing an FTP Session on page 2 5 Establish a Telnet con
122. hassis Pull out tab FIGURE 9 2 Serial Number and MAC Address on Pull out Tab Chapter 9 Chassis Backplane Assembly 9 3 7 On the Sun StorEdge T3 and T3 array disconnect all external cables Disconnect all power interconnect host FC AL MIA and Ethernet cables Note If the array is part of a partner group note down the placement of the host FC AL connections and loop cables You need this information in Step 12 8 Remove the chassis if it is mounted in a cabinet a Remove the two screws at the back of the chassis that secure it to the side rails in the cabinet b Slide the chassis out of the cabinet FIGURE 9 3 ssssss r h 555599909090 1 EN 4 coccccoco 0 5pocccceo F Tocccced fssccccce FIGURE 9 3 Removing the Chassis 9 4 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 AN AN 9 10 Move the failed array to an area that both the front and back can be easily accessed Caution Use two people to lift and move the array It can weight up to 67 lbs 30 kg One at a time remove all the FRU components from the failed chassis and put them in the new chassis ensuring same location placement Caution FRUs are extremely sensitive to static electricity Use proper antistatic wrist strap and procedures when handling any FRU Observe all static electricity precautions as described in Sectio
123. he event of a FRU failure fru list output contains the serial numbers helpful in verifying correct FRU replacement lt 7 gt f ru list ID TYPE VENDOR MODEL REVISION SERIAL ulctr controller card SUN 0082f f0 0210 000596 uldl disk drive SEAGATE ST118202FSUN EA29 LKG88867 uld2 disk drive SEAGATE ST118202FSUN EA29 LKG8 9225 uld3 disk drive SEAGATE ST118202FSUN EA29 LKG8 8938 uld4 disk drive SEAGATE ST118202FSUN EA29 LKG89528 uld5 disk drive SEAGATE ST118202FSUN EA29 LKG8 9846 uld6 disk drive SEAGATE ST118202FSUN EA29 LKG90455 uld7 disk drive SEAGATE ST118202FSUN EA29 LKG8 9362 uld8 disk drive SEAGATE ST118202FSUN EA29 LKG55303 uld9 disk drive SEAGATE ST118202FSUN EA29 LKG78649 ulll loop card SCI SJ 375 0085 01 5 01 Flash 000867 u1l12 loop card SCI SJ 375 0085 01 5 01 Flash 001491 ulpcul power cooling unit TECTROL CAN 300 1454 01 0000 002469 ulpcu2 power cooling unit TECTROL CAN 300 1454 01 0000 003134 ulmpn mid plane SCI SJ 370 3990 01 0000 000698 In this example m EPROM firmware version is Controller card Revision 0210 m Disk drive firmware version is Revision EA29 m Interconnect card loop card firmware version is Revision 5 01 Flash Chapter 3 Diagnosing Problems 3 17 2713 Checking FRU Status Use the fru stat command to provide a status of each FRU including
124. he memory Passed Initializing Cache Memory Initializing loop 2 to accept SCSI commands Starting Syslog Daemon Waiting for configuration data from master Initializing host port u2pl ISP2200 firmware status 7 Host port u2pl TARGET_ID Oxffff ALPA 0x5 Starting psh Login C 16 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 APPENDIX D Sun StorEdge T3 Array System Commands This appendix lists the commands supported by the Sun StorEdge T3 and T3 array and is divided into the following sections m Section D 1 Commands List on page D 1 m Section D 2 FRU Identifiers on page D 3 D 1 Commands List To view the available command line interface CLI commands on the array type help at the prompt lt 184 gt help arp cat cd cmp cp date echo head help 1s mkdir mv ping pwd rm rmdir tail touch boot disable disk enable fru id logger Il1pc more passwd port proc reset set shutdown sync sys tzset ver vol ep refresh route ofdg To display command syntax use the command name help command For example for information on the reset command type lt 1 gt reset help usage reset y TABLE D 1 contains an alphabetical listing of the CLI commands supported by the array See the Sun StorEdge T3 and T3 Array Administrator s Guide for a detailed description of each command s syntax options and arguments TABLE D 1 Command
125. he tools Always use the Check Revisions selection and ensure that the system is up to the minimum revision requirements before using any of the other main menu selections 3 8 Identifying Miscabled Partner Groups If a partner group has booted successfully but is unable to establish a Telnet connection with the management host the partner group might be cabled together incorrectly The interconnect cable connections between dual controller units are critical for determining which unit is the master controller and which is the alternate master If the interconnect cables are not properly installed on the interconnect cards the top Chapter 3 Diagnosing Problems 3 19 unit could boot as the master controller and the bottom unit would assume alternate master status Because the host has been configured to use the MAC address of the bottom unit this alternate configuration can cause the units to malfunction If the bottom unit is incorrectly cabled making the bottom unit the alternate master the bottom unit s Ethernet port will be inactive unless a fail over situation occurs In that event the IP and MAC address of the bottom unit will take over the values of the master top unit If the partner group has been cabled together incorrectly the following procedure can help determine if the top unit is acting as the master controller 1 Determine the MAC address of the top unit The MAC address is located on a pull out tab at the
126. hell Prompts TABLE P 2 Shell Prompts Shell C shell C shell superuser Bourne shell and Korn shell Bourne shell and Korn shell superuser Prompt machine_name machine_name xxviii Sun StorEdge T3 and T3 Array Field Service Manual September 2001 Related Documentation Application Installation overview Safety procedures Site preparation Configuration Installation and service Cabinet installation Latest array updates Administration Disk drive specifications Component Manager installation Using Component Manager Component Manager Release Notes Testing the array Title Sun StorEdge T3 and T3 Array Start Here Sun StorEdge T3 and T3 Array Regulatory and Safety Compliance Manual Sun StorEdge T3 and T3 Array Site Preparation Guide Sun StorEdge T3 and T3 Array Configuration Guide Sun StorEdge T3 and T3 Array Installation Operation and Service Manual Sun StorEdge T3 Array Cabinet Installation Guide Sun StorEdge T3 and T3 Array Release Notes Sun StorEdge T3 and T3 Array Administrator s Guide 18 Gbyte 10K rpm Disk Drive Specifications 36 Gbyte 10K rpm Disk Drive Specifications 73 Gbyte 10K rpm Disk Drive Specifications Sun StorEdge Component Manager Installation Guide Solaris Sun StorEdge Component Manager Installation Guide NT Sun StorEdge Component Manager User s Guide Sun StorEdge Component Manager Release Notes Sun StorEdge Stor
127. here are four possible levels of messages listed in TABLE C 1 in order of severity TABLEC 1 Message Types Message Type Definition Error Indicates a critical system event requiring immediate user intervention or attention For example an over temperature condition or a detected FRU being removed Warning Indicates a possible event requiring eventual user intervention For example a FRU being disabled and recovery procedure executed Notice Indicates a system event that might be a side effect of other events or may be a normal condition For example the power switch is turned off Information Indicates a system event that has no consequence on the running health of the system For example a good state of a FRU C 1 2 FRU Identifiers The syntax of the error message uses a FRU identifier to refer to a particular FRU in a disk tray This identifier contains a unit constant u the unit number n the FRU constant ctr for controller card pcu for power and cooling unit 1 for interconnect card d for disk drive and the FRU number n TABLE C 2 FRU Identifers FRU Identifier Unit Number Controller card unctr n unit number 1 2 Power and cooling unit unpcun n unit number 1 2 n pcu number 1 2 Interconnect card unln n unit number 1 2 n interconnect number 1 2 Disk drive undn n unit number 1 2 n disk drive number 1 to 9 C 2 Sun StorEdge T3 and T3 Array Field Se
128. ice Manual September 2001 5 Verify the boot values with the set command set bootmode auto bootdelay 3 sn 000596 ip 1234 123 0123 7 netmask 29 9 2 09 32900 gateway 0 0 0 0 tftphost 123 123 123 6 tftpfile nb113 bin hostname T3 1 vendor SUN model 0082f f 0 revision 0210 logto a loglevel 3 rarp on mac 00 20 2 00 02 ba Where a bootmode should be tftp tftphost should be the IP address of the tft pboot host machine a tftpfile is the file you specified in Step 3 6 Enable tftp booting set bootmode tftp 7 Reboot system with the boot c command Answer Yes to the Clear internal disk label question boot c Clear internal disk label and configuration then system will reset are you sure N y The system boots and displays the ul Configuration local data display Chapter 5 Disks and Drives 5 17 8 Once system is back up log in and ftp the bootcode file nbxxx bin into the array s supervisor directory Where xxx is the current boot code identification number that was set in Step 3 For example nb101 bin See Section 5 4 Upgrading Disk Drive Firmware on page 5 13 for a description of this process 9 Set bootmode back to auto set bootmode auto 10 Install the autoboot firmware onto the disk drives with the boot i command boot i nbxxx bin Where xxx is the current boot code identification number that was set
129. ien nur gegen Batterien gleichen Typs von Sun Microsystems aus Demontieren Sie die Batterie nicht und versuchen Sie nicht die Batterie au erhalb des Ger ts zu laden Werfen Sie die Batterie nicht ins Feuer Entsorgen Sie die Batterie ordnungsgem entsprechend den vor Ort geltenden Vorschriften Achtung Das Netzteil des Panasonic Modells Geh useabdeckung Achtung Bei Betrieb des Systems ohne obere Abdeckung besteht die Gefahr von Stromschlag und Systemsch den Safety Agency Compliance Statements ix Einhaltung der Richtlinien fiir Laser Sun Produkte die mit Laser Technologie arbeiten entsprechen den Anforderungen der Laser Klasse 1 Class 1 Laser Product Luokan 1 Laserlaite Klasse 1 Laser Apparat Laser Klasse 1 Warnung Die Verwendung von anderen Steuerungen und Einstellungen oder die Durchfhrung von Prozeduren die von den hier beschriebenen abweichen knnen gefhrliche Strahlungen zur Folge haben Conformit aux normes de s curit Ce texte traite des mesures de s curit qu il convient de prendre pour l installation d un produit Sun Microsystems Mesures de s curit Pour votre protection veuillez prendre les pr cautions suivantes pendant l installation du mat riel e Suivre tous les avertissements et toutes les instructions inscrites sur le mat riel e V rifier que la tension et la fr quence de la source d alimentation lectrique correspondent a la tension et
130. in Wartezustand Schalter steht auf Wartezustand nderungen an Sun Ger ten viii Sun StorEdge T3 and T3 Array Field Service Manual September 2001 Nehmen Sie keine mechanischen oder elektrischen Anderungen an den Ger ten vor Sun Microsystems tibernimmt bei einem Sun Produkt das ge ndert wurde keine Verantwortung f r die Einhaltung beh rdlicher Vorschriften Aufstellung von Sun Ger ten Achtung Um den zuverl ssigen Betrieb Ihres Sun Ger ts zu gew hrleisten und es vor berhitzung zu sch tzen d rfen die Offnungen im Ger t nicht blockiert oder verdeckt werden Sun Produkte sollten niemals in der Nahe von Heizk rpern oder Heizluftklappen aufgestellt werden Achtung Der arbeitsplatzbezogene Schalldruckpegel nach DIN 45 635 Teil 1000 betragt 70Db A oder weniger Einhaltung der SELV Richtlinien Die Sicherung der I O Verbindungen entspricht den Anforderungen der SELV Spezifikation Anschlufs des Netzkabels Achtung Sun Produkte sind f r den Betrieb an Einphasen Stromnetzen mit geerdetem Nulleiter vorgesehen Um die Stromschlaggefahr zu reduzieren schlie en Sie Sun Produkte nicht an andere Stromquellen an Ihr Betriebsleiter oder ein qualifizierter Elektriker kann Ihnen die Daten zur Stromversorgung in Ihrem Geb ude geben Achtung Nicht alle Netzkabel haben die gleichen Nennwerte Herk mmliche im Haushalt verwendete Verlangerungskabel besitzen keinen Uberlastungsschutz un
131. in Step 3 For example nb101 bin There is also a SunSolve patch that uploads all files to the array 11 Use ftp to restore the files in the etc web and webgui directories from http sunsolve sun com 12 Reset the Sun StorEdge T3 and T3 array reset y The array should cleanly boot off its own disks 13 Recreate the volumes and restore customer data 5 18 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 CHAPTER 6 Interconnect Card Assemblies This chapter describes how to monitor and replace the interconnect card and upgrade firmware The chapter contains the following sections m Section 6 1 Interconnect Card LEDs on page 6 2 m Section 6 2 Removing and Replacing an Interconnect Card on page 6 3 m Section 6 3 Upgrading Interconnect Card Firmware on page 6 5 6 1 6 1 6 2 Interconnect Card LEDs Each of the interconnect cards has a status LED for each interconnect cable TABLE 6 1 lists the possible interconnect card status LED states with descriptions of each state Interconnect 3 card 1 eo o eo wo 00 LED 1 LED2 LED1 LED2 Interconnect card 2 FIGURE 6 1 Interconnect Card LEDs TABLE 6 1 Interconnect Card LED Descriptions Interconnect Card Status LED Green or Amber Description Off Interconnect card not installed not recognized Green solid Interconnect card OK Cable OK if present Green slow bli
132. in the array could be faulty The number of devices found is important when trying to determine the failing device For example if only half of the devices are found a loop card or loop cable could be faulty The following message is generated by the ISP that services the front end or host loop A status of 7 not participating does not necessarily indicate a problem The attached host might not be running and thus cannot respond to the T3 array Initializing host port u2pl ISP2200 firmware status 7 C 6 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 C32 C 3 2 1 Examples of Boot Messages Sun StorEdge T3 Array Workgroup Configuration Starting T300 EP Release 2 10 1999 11 24 13 05 57 129 150 28 80 Copyright C 1997 1999 Sun Microsystems Inc All Rights Reserved Found units ul ctr auto boot is enabled hit the RETURN key within 3 seconds to cancel Default master is 1 Assigning Select IDs ul 1 Loop A Configured as lt 1 gt Loop B Configured as lt 1 gt Disable CT Bypass LRC Initializing System Drivers Initializing XPT Component Initializing QLCF Component Initializing loop 1 ISP2100 firmware status 3 Detected 10 FC AL ports on loop 1 Initializing loop 2 ISP2100 firmware status 3 Detected 10 FC AL ports on loop 2 Initializing SVD Services Found 9 disks in the system Found 9 disks in Ul Trying to boot from encid 1
133. ing psh in Sun StorEdge T3 and T3 Array Field Service Manual September 2001 ting XOR functions and datapaths Passed ing loop 2 to accept SCSI commands status 7 C3225 Sun StorEdge T3 Array Enterprise Configuration as seen from the Alternate Master Controller T3B 2 Starting POST POST end Starting T3B EP Release 2 00 2001 03 26 16 33 52 129 150 28 80 Copyright C 1997 2001 Sun Microsystems Inc All Rights Reserved Found units ul ctr u2 ctr auto boot is enabled hit the RETURN key within 3 seconds to cancel Starting T3B Release 2 00 2001 04 02 15 21 29 129 150 28 80 Copyright C 1997 2001 Sun Microsystems Inc All Rights Reserved Initializing software Found units ul ctr u2 ctr Default master is ul Default alternate master is u2 Waiting for Master to come up Starting Heartbeats Initializing system drivers Initializing XPT component Initializing QLCF component Initializing loop 1 ISP2200 firmware status 3 Detected 20 FC AL ports on loop 1 Initializing loop 2 ISP2200 firmware status 3 Detected 20 FC AL ports on loop 2 Initializing SVD services Appendix C Sun StorEdge T3 and T3 Array Messages C 15 Detected data cache size in system 1GB Testing ISP2200 Passed Testing ECC mechanism Passed Testing XOR functions and datapaths Passed Cold Boot detected destructive tests OK Testing data cac
134. invalid level 2 code for booting If a bad level 2 code is programmed into ROM successfully then the user can manually select which copy to boot in order to work around the bad level 2 code If this happens it is better to update the level 2 code again in order to override the bad level 2 code copy Level 2 code has a size limitation of 384 Kbytes During boot up the level 2 code occupies RAM space starting at 0x500000 and the level 3 code is loaded by the level 2 code Currently the starting location of level 3 code is fixed at 0x20000 Although level 3 code can start at another location the code space after upload to RAM cannot go over 0x500000 The network of level 2 code will be enabled only when the bootmode is set to tftp Thus the ep command will only work when bootmode is tftp The level 2 code also includes POST Power On Self Test code in the booting process Chapter 4 Controller Card Assembly 4 9 Third Level Boot Code The third level boot code is the RAID application The code has assumed that level 2 code would have set up the MPC 107 and cleared the RAM if it is cold boot There are two copies of level 3 code in ROM one in 0xFF800000 0xFFB7FFFF the other in 0xFFB80000 OxFFF00000 EPROM and tftp Download File The file to be downloaded into ROM or through tftp must have specific header information with a structure such as listed below typedef struct ep_header_struct init code_size c
135. ion 2 3 Establishing an FTP Session on page 2 5 Ina telnet session with the array set the bootmode to auto lt 2 gt set bootmode auto Install the level 3 image on the array lt 3 gt boot i level 3_image_filename Power cycle the array to reset it a Type lt 4 gt shutdown shutdown the system are you sure N y b Press the power button on each power and cooling unit to remove AC power c Press the power buttons again to return AC power to the array 4 14 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 Note If during the boot process a controller detects a level 3 firmware version on the system disk different than the level 3 image loaded in flash the controller will reflash its local level 3 image and reset This can appear as two sequential boot cycles This process is expected behavior Chapter 4 Controller Card Assembly 4 15 4 16 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 CHAPTER 5 Disks and Drives This chapter describes how to monitor and replace the disk drives upgrade the firmware and repair corrupted disk labels This chapter contains the following sections Section 5 1 Monitoring Drive Status on page 5 1 Section 5 2 Disk Drive LEDs on page 5 6 Section 5 3 Repairing Disk Drives on page 5 7 Section 5 4 Upgrading Disk Drive Firmware on page 5 13 Section 5 5 Clea
136. is case no file changes are required Verify that the etc hosts file contains the previous IP address and array name For example 192 129 122 111 array name In this example 192 129 122 111 is the IP address assigned previously Verify that the etc nsswitch conf file on the RARP server references the local system files To ensure that the Solaris software environment uses the changes made to the etc ethers and etc hosts files edit the host and ethers entries in the etc nsswitch conf file so that the files parameter appears before the NOTFOUND return statements For example hosts nis files NOTFOUND return ethers nis files NOTFOUND return Ensure that the RARP daemon is running on the RARP server rarpserver ps eaf grep rarpd If the RARP daemon is not already running on the RARP server start it by entering rarpserver usr sbin in rarpd a amp Chapter 9 Chassis Backplane Assembly 9 7 20 Verify that AC power is present on each of the chassis power and cooling units The AC LED on each power and cooling unit glows solid amber and the fans turn at low speed 21 Press the power button on the power and cooling units to power on the array s FIGURE 9 1 shows the power button location The AC and power supply PS LEDs on the power and cooling units show green After you power on the Sun StorEdge T3 and T3 array JumpStart feature reassigns the array s previous IP address to
137. it 7 1 Power and Cooling Unit LEDs 7 2 7 2 1 Power and Cooling Unit LEDs 7 3 Removing and Replacing a Power and Cooling Unit 7 4 UPS Battery 7 6 74 1 Checking the Battery 7 7 7 4 2 Battery Maintenance 7 8 74 3 Removing and Replacing the UPS Battery 7 10 Contents xvii 8 Diagnosing and Correcting FC AL Loop Problems 8 1 8 1 8 2 8 3 8 4 Overview 8 1 Normal Status 8 2 8 2 1 8 2 2 8 2 3 8 2 4 8 2 5 8 2 6 The fru stat Command 8 5 The vol mode Command 8 6 The port listmap Command 8 6 The loop stat Command 8 6 The disk pathstat Command 8 7 The disk linkstat Command 8 8 Diagnosing an FC AL Loop 8 10 8 3 1 8 3 2 8 3 3 8 3 4 8 3 5 8 3 6 8 3 7 8 3 8 FC AL Loop Problem Indicators 8 10 Checking Performance Against Baseline Data 8 12 StorTools Message Monitoring 8 13 Component Manager Status Indicator 8 13 Manual Examination of the syslog File 8 13 Example syslog Error Messages 8 14 Using CLI Diagnostic Commands 8 15 Using the ofdg Diagnostic Utility 8 16 Repair Procedures 8 21 8 4 1 8 4 2 8 4 3 8 4 4 Interconnect Card Replacement Procedure 8 21 RAID Controller Replacement Procedure 8 22 Off Line Drive Diagnostics and Replacement 8 23 Chassis Replacement Procedure 8 29 9 Chassis Backplane Assembly 9 1 9 1 9 2 Troubleshooting the Chassis Backplane Assembly 9 1 Replacing the Chassis Backplane Assembly 9 2 xviii Sun StorEdge T3 and T3 Array Field Service Manual September
138. it needs to be replaced Removing and Replacing the UPS Battery Note REVIEWERS This is a cold swap procedure Remove the UPS Battery Remove the PCU from the array See Removing and Replacing a Power and Cooling Unit on page 4 Caution Any power and cooling unit that is removed must be replaced within 30 minutes or the Sun StorEdge T3 and T3 array and all attached arrays automatically shut down and power off 2 Turn the PCU over such that the bottom of the unit is facing up as shown in FIGURE 7 4 FIGURE 7 4 Turning the PCU upside down Remove the four Phillips screws from the panel on the bottom and side of the PCU as shown in FIGURE 7 5 Use care in removing the screws so they do not fall into the vent holes of the PCU 7 10 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 Note The battery is attached to the bottom panel of the PCU When removing the bottom panel do not attempt to remove it completely as the battery is still connected to the unit FIGURE7 5 Removing the Screws from the PCU Bottom Panel 4 Slide the bottom panel off the unit slightly enough to expose the battery connector as shown in FIGURE 7 6 and FIGURE 7 7 Chapter 7 Power and Cooling Unit Assemblies 7 11 FIGURE 7 6 Lifting the PCU Bottom Panel and Battery Slightly Away from the Unit Sun StorEdge T3 and T3 Array Field Service Manual September 2001 7 12 FIGURE 7
139. k drive change the default setting using the sys command For more information on the sys command refer to the Sun StorEdge T3 and T3 Array Administrator s Guide Chapter 5 Disks and Drives 5 7 5 3 1 Removing and Replacing a Disk Drive 1 Observe static electricity precautions See Section 1 5 Static Electricity Precautions on page 1 5 2 Remove the front panel by pressing in on the side latches and pulling the cover forward See FIGURE 5 2 Latch FIGURE 5 2 Removing the Front Panel 3 Locate the disk drive that needs to be replaced Disk drives are numbered from 1 to 9 starting on the left side of the array 277 101 Disk 1 Disk 9 DR ALL A SSS f FIGURE 5 3 Disk Drive Numbering 5 8 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 A 4 Use a coin or small screwdriver to press in and release the drive latch handle FIGURE 5 4 Releasing the Latch Handle 5 Use the latch handle to slowly pull the disk drive out 1 inch 2 5 cm Wait 30 seconds and then pull the drive out completely This gives the disk drive time to spin down 6 Remove the disk drive from the array See FIGURE 5 5 Push in the latch handle on the removed disk drive to protect it from damage Caution Any disk drive that is removed must be replaced within 30 minutes or the
140. k of the chassis to secure the chassis to the cabinet 12 Connect all cables previously removed but do not power up the array s Note If the array is part of a partner group make sure that the host FC AL cables are recabled to the same Sun StorEdge T3 and T3 array FC AL connections that they were removed from as you noted down in Step 7 Also ensure that loop cables are properly_recabled 13 Add the T3 system serial number and the MAC address to the new chassis Locate the pull out tab at the left side of the array next to the first disk drive Use a fine tipped permanent marker to write the information on this tab you also need the information for the next two steps Pull out tab FIGURE 9 4 Serial Number and MAC Address on Pull out Tab 14 Contact the appropriate Contract Administrator CA of the Contracts Verification Group CVG to relay the system serial number and new chassis information 9 6 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 15 16 17 18 19 On the RARP server update the etc ethers file Replace the MAC address entry of the failed chassis with the MAC address of the new chassis For example 8 0 20 6d 93 7e array name In this example m 8 0 20 6d 93 7e is the new MAC address m array name is the name of the old array Note that if the failed unit was an alternate master the unit s MAC address may not be in the etc ethers file In th
141. l normal ulpcu2 ready enabled line normal normal normal normal normal u2pcul ready enabled line normal normal normal normal normal u2pcu2 ready enabled line normal normal normal normal normal 3 18 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 3 7 4 Note The fru stat command reports temperature readings on the interconnect cards controller board disk drives and PCUs For the PCU the fru stat output does not display a temperature value but reports a normal value For all other FRUs fru stat reports a numerical temperature System firmware monitors only the temperature state reported by the PCUs This means a high temperature reading on an interconnect card for example will not cause the firmware to take evasive action such as powering off the array Testing the Array With StorTools Access the StorTools main menu through the stormenu command Once executed this command runs the initcheck program to identify any failing loops that could cause a program to hang initcheck runs a quick loop back frame 1bf test and performs disk inquiries Note Since 1bf is not supported on PCI FC 100 host board adapters initcheck performs disk inquiries only on those systems Consult your StorTools documentation for information on how to perform StorTools diagnostic tests Note The StorTools diagnostic package expects the software and firmware files to be at certain minimum revision levels to run t
142. lace Each Sun StorEdge T3 and T3 array can be structured to a maximum of two different RAID volumes or logical unit numbers LUNs This means that each array can store information from two completely different applications or sources but both sources uniquely transmit their data delivery and retrieval through the same host adapter The Sun StorEdge T3 and T3 array partner group consists of two independent controller RAID units sharing only one of the controllers for system management If one controller fails the system management facilities fail over to the other RAID controller This configuration gives the partner group redundancy Thus when there is a Sun StorEdge T3 and T3 array partner group which consists of a minimum of two arrays a maximum of four RAID volumes LUNs are available to the server for data delivery and retrieval The interruption of data can happen anywhere on the storage network This manual addresses data interruption problems from the output of the host to the Sun Sun StorEdge T3 and T3 array and to the individual components in the array 12 Error Messages and Logs Both the Sun StorEdge T3 and T3 array and the host server create log message files of system conditions and events These log files are the most useful immediate tools for troubleshooting 1 2 1 Sun StorEdge T3 Array Generated Messages A syslog daemon in the Sun StorEdge T3 and T3 array writes system error message logs to a location de
143. le Insert the fiber optic cable and MIA back into the FC AL connector Insert the Ethernet cable into the 10BASE T connector Check the controller status LED to determine when the controller is operational While the controller boots the controller status LED is solid amber When the controller is operational the LED is green Verify the status of the controller card using either the CLI or Component Manager Refer to Section 3 7 3 Checking FRU Status on page 3 18 or the Sun StorEdge Component Manager User s Guide for instructions Note In a partner group configuration the controller fails over to the alternate master when there is a controller card failure in a master unit After the controller board is replaced the partner group performs a reset command to return to the original failover configuration of master and alternate master 4 3 Upgrading Controller Firmware The controller firmware can be upgraded on an operational system However for the upgrade to take effect the controller must be reset booted While the controller boots the array is not available for storage The firmware upgrade procedures that follow must be done through the Ethernet connection The latest firmware version is located on the SunSolve web site http sunsolve sun com The following conditions apply to firmware upgrades m The firmware has to be resident on the host for this operation m The Sun StorEdge T3 and T
144. le on a RARP server before powering on the array After you power on the IP address is automatically assigned Before you begin make sure you have the following m MAC address The MAC address is located in the pullout tab at the front of the array FIGURE 10 3 Chapter 10 Hardware Reconfiguration 10 7 Pull out tab FIGURE 10 3 Location of Pull Out Tab With MAC Address a IP address For this information contact the person who maintains your network m Array name This is the user assigned name of the array To set the network IP address for the array 1 On a host connected to the same subnet as the array edit the etc ethers file by adding the MAC address and array name For example 8 0 20 7d 93 7e array name In this example m 8 0 20 7d 93 7e is the MAC address m array name is the name of the array you are installing 2 Edit the etc hosts file with the IP address and array name For example 192 129 122 111 array name In this example 192 129 122 111 is the assigned IP address 10 8 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 3 Edit the etc nsswitch conf file to reference the local system files To ensure that the Solaris software environment uses the changes made to etc ethers and etc hosts files edit the host and ethers entries in the etc nsswitch conf file so that the files parameter appears before the NOTFOUND return statements hosts nis files
145. le this feature you must edit your host file on a RARP server before powering on the array After you power on the IP address is automatically assigned See Section 10 1 3 Establishing a New IP Address on page 10 7 for detailed instructions Establishing a Network Connection After powering on establish a network connection to each array This ensures that both arrays function properly and recognize the host On the host use the telnet command with the array name or IP address to connect to the array telnet array_name Trying 129 150 47 101 Connected to 129 150 47 101 Escape character is psoSystem 129 150 47 101 Note The Telnet session verifies that your network connection is good If you cannot connect through the Telnet session you might have miscabled the partner group See Section 3 8 Identifying Miscabled Partner Groups on page 3 19 to determine if this is the problem If the partner group is cabled correctly then the IP address might not be assigned correctly If you suspect this as the problem verify the IP address in a serial cable connection and verify that the RARP server is functional Log in to the array by typing root and your password at the prompts a If you are logging in to the previous master unit use the password for that unit a If you are logging in to the previous alternate master unit you need to assign a new password When prompted for a password p
146. lified service provider to make notes at each customer site and contains the following sections m Section F 1 Worksheets on page F 1 m Section F 2 System Information Worksheets on page F 2 FT Worksheets The following information is required to successfully troubleshoot a Sun StorEdge T3 and T3 array Use this worksheet to access the data Ethernet and TFTP connections from the application management and TFTP host system s The application management and TFTP host can all be resident on the same server Supervisor access is required for all hosts during troubleshooting Host types are defined as the following Application host The application host utilizes the FC AL connection as a data path to and from the Sun StorEdge T3 and T3 array Management host The management host administers configuration and health monitoring of the Sun StorEdge T3 and T3 array through a network connection TFTP host The TFTP host is used to download bootcode to the Sun StorEdge T3 and T3 array through a network connection F2 System Information Worksheets The following information should be documented before troubleshooting any Sun StorEdge T3 and T3 array Make copies of this blank form and complete it for each Sun StorEdge T3 and T3 array TABLE F 1 Sun StorEdge T3 and T3 array Information Worksheet Management Host Application Host TFTP Host Host ID Host name
147. lowing advantages over the Telnet connection m Boot messages are displayed when the array boots m The tftp boot configuration is available a EPROM access is available m Useful for debugging RARP IP address assignment issues The status of the array unit can quickly be determined from the CLI The syslog file of the array file system contains a record of events that have occurred in the unit 2 1 To start a serial connection and session with the array 1 Connect a serial cable from the serial port on the array master unit to any host system available serial port Note The serial cables used by the Sun StorEdge T3 and T3 arrays are different Both cables are supplied in the F370 4119 02 Diagnostic Kit The T3 array uses the serial cable with RJ 11 connectors and the T3 array uses the serial cable with RJ 45 connectors The serial port on the array is on the controller card backplane oOo oOo e MN 72 So GB 0 po eo OcA co Serial port FIGURE 2 1 Serial Port Location 2 On the host system open a terminal window type tip the baud rate and the serial port designation For example mymachine tip 9600 dev ttya connected Password Invalid name Login root Password T300 Release 1 13 2000 05 17 16 15 41 129 150 47 104 Copyright C 1997 2000 Sun Microsystems Inc All Rights Reserved name lt 1 gt 2 2 Sun StorEdge T3 and T3 Array
148. ly and reboot the DONE iste ae gaa array Can you Telnet into the array now YES NO NO YES DONE Go To Procedure A FIGURE 3 2 Ethernet Troubleshooting Flow Chart Chapter 3 Diagnosing Problems 3 5 Procedure A Note Ensure that the host and the array are on the same subnet Possible IP conflict Disconnect ethernet cable and ping the array s IP address Any response YES IP conflict Contact your site network administrator to resolve the conflict Replace network cable with a known good cable Can you access the array Change RAID controller board Set up IP address FIGURE 3 3 Procedure A 3 6 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 20 3 3 1 3 3 2 Initial Troubleshooting Guidelines To begin a problem analysis check one or more of the following information sources for troubleshooting and or perform one or more of the following checks Troubleshooting Sources The array LEDs which provide a visual status as described in Sun StorEdge T3 and T3 Array Installation Operation and Service Manual Sun StorEdge T3 array generated messages found in a log file indicating a problem or system status with the array See Section 1 2 1 Sun StorEdge T3 Array Generated Messages on page 1 2 for more information about array generated messages Host generated message found in the var
149. m During a disk drive firmware download the functionality of the array is limited To avoid system problems verify that m A current backup copy of array data exists m The data path to the host has been quiesced There must not be any I O activity during the disk drive firmware download m The Ethernet connection is not being used for any other operation during this procedure If Component Manager is being used to monitor the array disable the automatic polling utility Refer to the current Sun StorEdge Component Manager Users Guide for instructions to disable polling Caution If a host mounted utility program such as Component Manger is actively polling problems might occur during the firmware download Disable the polling utility within Component Manager during this procedure to avoid problems m No unnecessary command line program interaction with the array is performed during the disk drive firmware download Note The disk firmware download takes approximately 20 minutes for 9 drives Do not attempt to interrupt the download or perform other command line functions during the process The command prompt reappears after the download process has completed To upgrade the firmware Use ftp to transfer the firmware to the array root directory in binary mode See Section 2 3 Establishing an FTP Session on page 2 5 for additional information Note The file name of files being transferred to the local disk
150. ment Procedure If none of the above procedures resolve the problem the next repair action is replacement of the chassis backplane assembly A replacement part must be on site before beginning this procedure Before starting the customer must off load all the data that is contained in the Sun StorEdge T3 array The array must then be removed from host operation The procedure for replacing a backplane is described in Section 9 2 Replacing the Chassis Backplane Assembly on page 9 2 Once the backplane has been replaced and the previous FRUs installed the ofdg diagnostics need to be rerun If the problem persists replace the entire Sun StorEdge T3 and T3 array Chapter 8 Diagnosing and Correcting FC AL Loop Problems 8 29 8 30 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 CHAPTER 9 Chassis Backplane Assembly This chapter describes how to replace the chassis backplane assembly and contains the following sections m Section 9 1 Troubleshooting the Chassis Backplane Assembly on page 9 1 m Section 9 2 Replacing the Chassis Backplane Assembly on page 9 2 9 1 Troubleshooting the Chassis Backplane Assembly The array chassis FRU rarely needs to be replaced However the chassis part number is available to replace the backplane and chassis if necessary These must be replaced together because they are factory aligned Problems with the backplane most likely occur because of
151. must be 12 characters or less in size and start with an alphabetic character not numeric Establish a Telnet connection to the array See Section 2 2 Establishing a Telnet Session on page 2 3 Chapter 5 Disks and Drives 5 13 3 Verify that all disk drives are in an optimal state as follows a Use the fru stat command to confirm that all disks are ready and enabled b Use the vol stat command to confirm that all disks that are configured into volumes are in an optimal state reported as drive state 0 If either of these commands display drive issues correct problems before proceeding with the firmware download 4 Use the proc list command to verify that there are no volume operations in progress Allow a volume operation in progress to complete before proceeding with the firmware download 5 Use the refresh s command to verify that there are no battery refresh operations in progress Allow a battery refresh in progress to complete before proceeding with the firmware download 6 Unmount the array volume s from the host to ensure there is no host I O activity unmount t3 filesystem name 7 Unmount internal array volume s lt 1 gt vol unmount volume name 8 Install the firmware using the disk download command lt 2 gt disk download uld1 9 filename The filename is the file name of the disk drive firmware image that was transferred by FTP to the array in Step 1 Caution
152. n 1 5 Static Electricity Precautions on page 1 5 a Unlock a FRU by pushing in on the latch handle s with a coin or small screwdriver to release the latch handle s b Pull the FRU straight out c Lock the FRU back into place in the new chassis by pushing in and securing the latch handle s with a coin or small screwdriver Caution Maintain disk positions or data could be lost d Remove and replace the controller card See Section 4 2 Removing and Replacing a Controller Card on page 4 4 for instructions e Remove and replace the interconnect cards See Section 6 2 Removing and Replacing an Interconnect Card on page 6 3 for instructions f Remove and replace the power and cooling units See Section 7 3 Removing and Replacing a Power and Cooling Unit on page 7 4 for instructions g Remove and replace the disk drives See Section 5 3 Repairing Disk Drives on page 5 7 for instructions Note When removing disk drives label each one with its slot position in the unit so you can be replace the drives in the correct slots 11 Move the replacement chassis back into place Chapter 9 Chassis Backplane Assembly 9 5 a If you are mounting the chassis in a cabinet Prepare for the new chassis by installing the base plate Use the base plate from the old chassis a Align the new chassis with the side rails and slide the chassis into the cabinet Replace the two screws at the bac
153. n 8 3 8 Using the ofdg Diagnostic Utility on page 8 16 a SNMP Simple Network Monitoring Protocol as described in Sun StorEdge T3 and T3 Array Administrator s Guide a SNMP CA Simple Network Monitoring Protocol used with a customer written application as described in Sun StorEdge T3 and T3 Array Administrator s Guide 3 2 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 m StorTools A The StorTools application runs on an application host as described in Sun StorEdge StorTools User s Guide Version 4 1 m StorTools M The StorTools application runs on a management host as described in Sun StorEdge StorTools User s Guide Version 4 1 m syslog Sun StorEdge T3 and T3 array syslog file ys108 8 y m syslog CA Sun StorEdge T3 and T3 array syslog with customer written application m SRS Sun Remote Service 3 2 Troubleshooting Flow Charts The following three charts illustrate typical diagnostic procedures Chapter 3 Diagnosing Problems 3 3 Unable to communicate to the volume from the data host or excessive number more than 10 in 24 hours of online offline messages in the var adm messages file Identify the failing array by decoding the messages In the failing array are any errors indicated in the array syslog file NO YES Run StorTools appl Does it pass Decode errors and replace failed component in the array NO
154. n of the internal PCU batteries Once the system determines that the batteries are in an optimal state system cache mode returns to write behind After a power down a array re enables write behind cache mode in approximately two hours During a power failure if the battery is flushing cache data to the drives battery power becomes depleted Once AC power is available the battery recharges While the battery is recharging write behind cache mode is disabled and write through cache mode is enabled until the battery is fully recharged The battery recharge could take up to 12 hours depending on the length of the power outage and the amount of cache data that was flushed to the drives 7 6 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 7 4 1 Note The batteries in the power and cooling units recharge after powering on the array If the batteries are less than fully charged fru stat output will display batteries in a fault condition and write behind cache is disabled until the batteries are charged Checking the Battery On the host use the telnet command with the array name or IP address to connect to the array mngt_host telnet array name Trying 123 123 1023 LOL Connected to 123 123 123 101 Escape character is psoSystem 123 123 123 101 2 Log in to the array by typing root and the supervisor password at the prompts 3 Use the id read command to display battery life relat
155. n on the array or partner group until the vol verify operation has completed Note It is a good practice to run vol verify before recycling backup tapes to be sure the image is correct before over writing previous images 5 4 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 5 1 4 Checking Drive Temperature Use the fru stat command on the array to check disk drive temperatures lt 43 gt fru stat CTLR STATUS STATE ROLE PARTNER TEMP ulctr ready enabled master u2ctr 33 5 u2ctr ready enabled alt master ulctr 335 DISK STATUS STATE ROLE PORT1 PORT2 TEMP VOLUME uldl ready enabled data disk ready ready 25 vO uld2 ready enabled data disk ready ready 20 vO uld3 ready enabled data disk ready ready 24 vO uld4 ready enabled data disk ready ready 26 vO uld5 ready enabled data disk ready ready 27 vO uld6 ready enabled data disk ready ready 27 v0 uld7 ready enabled data disk ready ready 25 vO uld8 ready enabled data disk ready ready 31 vO uld9 ready enabled data disk ready ready 31 vO u2d1 ready enabled data disk ready ready 25 v1 u2d2 ready enabled data disk ready ready 21 v1 u2d3 ready enabled data disk ready ready 26 vi u2d4 ready enabled data disk ready ready 2 5 v1 u2d5 ready enabled data disk ready ready 23 vi u2d6 ready enabled data disk ready ready 22 v1 u2d7 ready enabled data disk ready
156. n y para protegerlo de sobrecalentamientos no deben obstruirse o taparse las rejillas del equipo Los productos Sun nunca deben situarse cerca de radiadores o de fuentes de calor secci n 1000 se admite un nivel de presi n ac stica f Precauci n De acuerdo con la norma DIN 45 635 para puestos de trabajo m ximo de 70Db A Cumplimiento de la normativa SELV El estado de la seguridad de las conexiones de entrada salida cumple los requisitos de la normativa SELV Conexi n del cable de alimentaci n el ctrica para trabajar en una red el ctrica monofasica con toma de tierra Para reducir el riesgo de descarga el ctrica no conecte los productos Sun a otro tipo de sistema de alimentaci n el ctrica P ngase en contacto con el responsable de mantenimiento o con un electricista cualificado si no est seguro del sistema de alimentaci n el ctrica que existe en su edificio f Precauci n Los productos Sun est n dise ados Precauci n No todos los cables de alimentaci n AN el ctrica tienen la misma capacidad Los cables de tipo dom stico no est n provistos de protecciones contra sobrecargas y por tanto no son apropiados para su uso con computadores No utilice alargadores de tipo dom stico para conectar sus productos Sun cable de alimentaci n con toma de tierra Para reducir el riesgo de descargas el ctricas con ctelo siempre a un enchufe con toma de tierra Precauci n
157. nection to the array See Section 2 2 Establishing a Telnet Session on page 2 3 Install the firmware using the 1pc command The example shows downloading the firmware to a partner group four interconnect cards T3 lt 2 gt lpc download ulll filename T3 lt 3 gt lpc download u1ll2 filename T3 lt 4 gt lpc download u211 filename T3 lt 5 gt lpc download u212 filename Install the firmware on each interconnect card as shown in the example Verify the version level Type 1pc version Chapter 6 Interconnect Card Assemblies 6 5 Note It is not necessary to reboot the array for the interconnect card firmware to become effective 6 6 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 CHAPTER 7 Power and Cooling Unit Assemblies This chapter describes how to replace the power and cooling unit and monitor the UPS battery The chapter contains the following sections Section 7 1 Power and Cooling Unit on page 7 1 Section 7 2 Power and Cooling Unit LEDs on page 7 2 Section 7 3 Removing and Replacing a Power and Cooling Unit on page 7 4 a a a m Section 7 4 UPS Battery on page 7 6 7 1 Power and Cooling Unit The power and cooling unit has two active power sources standby and primary power Standby power which is used to power the micro controller on the interconnect card is activated when AC power is present Primary power
158. nimum impact to the customer s operation as shown in the following order 1 Section 8 4 1 Interconnect Card Replacement Procedure on page 8 21 2 Section 8 4 2 RAID Controller Replacement Procedure on page 8 22 3 Section 8 4 3 Off Line Drive Diagnostics and Replacement on page 8 23 4 Section 8 4 4 Chassis Replacement Procedure on page 8 29 Interconnect Card Replacement Procedure A single interconnect card can be removed without affecting the customer operation assuming that the other card is working of course Data accessibility is maintained during the replacement and testing of a single interconnect card with no change in the host configuration For the example of a suspected loop 1 path 0 problem perform the following steps From the CLI disable the u1l1 interconnect card lt 1 gt disable ull1 When the u111 LED is flashing amber remove and replace the interconnect card from the u1l1 position See Section 6 2 Removing and Replacing an Interconnect Card on page 6 3 From the CLI enable the u1l1 interconnect card lt 2 gt enable ull1 Verify the repair by using the listed CLI status commands See Section 8 3 7 Using CLI Diagnostic Commands on page 8 15 If this did not correct the problem proceed to replacing the RAID controller as described in the next section Chapter 8 Diagnosing and Correcting FC AL Loop Problems 8 2
159. nk Interconnect card OK possible communication problem with other cards Cable may be bad OK to replace cable Amber solid Interconnect card firmware download in progress Amber slow blink Interconnect card failure OK to replace interconnect card Note Even if the LED indicates an interconnect card failure always verify the FRU status using either the CLI or Component Manager before replacing the interconnect card Refer to Section 3 7 3 Checking FRU Status on page 3 18 or the Sun StorEdge Component Manager User s Guide for instructions Sun StorEdge T3 and T3 Array Field Service Manual September 2001 6 2 gt gt Removing and Replacing an Interconnect Card Caution Use the interconnect cables only for cabling Sun StorEdge T3 and T3 arrays together using the interconnect card connectors Do not use these cables for any other FC AL connection Caution The interconnect card is extremely sensitive to static electricity Use proper antistatic wrist straps and antistatic procedures when handling any FRU Caution Replace one interconnect card at a time Pulling both interconnect cards at one time could cause a system shutdown Follow the procedure as described to ensure that there is no interruption in system operation or loss of data To prevent interruption of the data host system operation during interconnect card replacement ensure that a Ina single controller unit configuration rem
160. nkstat command 8 8 8 15 disk pathstat command 8 7 disk tray see Sun StorEdge T3 disk tray disk tray settings 10 1 door assembly A 4 dot commands 8 1 E ep download command 4 7 EPROM 2 3 4 6 error message type C 2 Error severity level 1 3 error code 0X2202 5 15 error messages see messages Exception reset log type C 3 F fail over determining 3 14 FAIL_POLICY 8 8 failed FRU status 8 1 FC AL loop identifiers E 1 FC AL loop problems see loop problems file system in uldl is BAD 5 15 firmware controller 3 17 disk drive 3 17 EPROM 3 17 interconnect card 3 17 level 3 15 upgrading 4 5 4 6 5 13 6 5 verifying level 3 17 FLASH memory device 4 6 flow charts 3 3 FMD see FLASH memory device format command 3 8 format utility 3 9 front panel replacing 5 8 FRU identifiers 1 3 D 3 fru list command 3 17 5 10 fru myuid command 3 13 fru stat command 3 18 5 12 8 5 ftp 2 5 G gateway B 1 H hardware reset log type C 3 host generated messages 1 2 hostname B 2 hosts file 2 10 hot spare checking 5 3 Index 8 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 l id read command 7 7 inetd conf file 2 9 information message type C 2 Information severity level 1 3 init B 3 initcheck command 3 19 installation setting the IP address 10 8 interconnect assemblies A 9 interconnect cable connection 10 6 interconnect cards D 2 D 3 assembly
161. nt This equipment generates uses and can radiate radio frequency energy and if it is not installed and used in accordance with the instruction manual it may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Shielded Cables Connections between the workstation and peripherals must be made using shielded cables to comply with FCC radio frequency emission limits Networking connections can be made using unshielded twisted pair UTP cables Modifications Any modifications made to this device that are not approved by Sun Microsystems Inc may void the authority granted to the user by the FCC to operate this equipment FCC Class B Notice 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 2 This device must accept any interference received including interference that may cause undesired operation Note 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 a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in ac
162. oad in progress Blinking amber Controller failure OK to replace controller Note Verify a controller card failure using the CLI or Sun StorEdge Component Manager 4 2 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 Sun StorEdge T3 Array Controller Card LEDs The Sun StorEdge T3 array controller card has two channel active LEDs one for the FC AL interface port and one for the Ethernet port and a controller status online LED TABLE 4 3 lists the possible states of the controller card LEDs and describes each state E paga FC AL active LED Ethernet 10 100BASE T Controller online active LED active LED status LED FIGURE 4 2 Sun StorEdge T3 Array Controller Card LEDs TABLE 4 3 Sun StorEdge T3 Array Controller Card LED Descriptions LED Action Description FC AL Channel Off Port disabled Active LED green Green Port enabled and idle Blinking green Port enabled and active Ethernet Active LED Off Link invalid green Green Link valid and idle Blinking green Link valid and active 10 100 BASE T Off Port disabled 10 Mbps rate Active LED green Green Port enabled and idle 100 Mbps rate Blinking green Port enabled and active Controller Status LED Off Controller not installed not green or amber recognized Green Controller OK Amber Controller boot shutdown or firmware download in progress Blinking amber Controller failure OK to replace c
163. ode size init code_cksum code checksum init code_start code start init code_base code base init code_signature code signature init code_rev code revision init code_subrev code subrevision init code_date code date init code_time code time init hdr_counter code counter init code_flags code flags init reserved init reserved 3 init hdr_cksum header checksum EP_HEADER The file content must be the binary image to be loaded into ROM or RAM It cannot be an elf file a hex file or a srecord file 4 10 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 The following explains each field in the header TABLE 4 4 Channel Active LED Descriptions Header Description code_size code_cksum code_start code_base code_signature code_rev code_subrev code_date code_time This is the size of the code without the header information This value must be a multiple of four The real file size should be code_size plus sizeof EP_HEADER The 32 bit checksum value of the code code_cksum sum of all 32 bit words in code OR OxXFFFFFFFF 1 The execution starting location For example after downloading level 3 code into RAM the level 2 code jumps to this location The starting location for download For example the level 2 code downloads the level 3 code from ROM into RAM starting at this location Howev
164. on page 2 10 and for information on how to use the CLI commands see Sun StorEdge T3 and T3 Array Administrator s Guide 2 4 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 25 Establishing an FTP Session To establish an FTP session 1 Start an FTP session from the management host to the array For example mgmt host lt 15 gt ftp 123 123 123 2 Connected to 123 123 123 2 Escape character is 123 123 123 2 pSOSystem NUPPC 2 0 0 G ready Name 123 123 123 2 root Log in to the array by typing root and the supervisor password at the prompts Name 123 123 123 2 root root 331 Password required for root Password password 230 User root logged in ftp gt Note Be sure to set Binary mode if transferring firmware Chapter 2 Connecting to the Sun StorEdge T3 and T3 Array 2 5 2 4 Using t ft pboot to Boot a Single Array or a Partner Group Remotely If you have a partner group that cannot boot on its own you can use tftp boot to boot it remotely Note The tftpboot server must be on the same subnet as the array To remotely boot a Sun StorEdge T3 and T3 array Set up the remote server See Section 2 5 Configuring a Server for Remote Booting on page 2 9 Unplug the Ethernet cable connected to the alternate master Leave the Ethernet cable on the master connected Get to the array EPROM as described in Section 2 1 Esta
165. ontinued Tools That Can Be Used System admin domain configuration System admin domain monitoring Version level check LUN configuration FRU failure monitoring Performance monitoring Firmware download Syslog access mgmt host Loop resiliency check manual Manual loop resiliency check Clear supervisor password Host data path diagnosis Statistics logging Service commands Mfg repair commands CM CLI E CLI S CM CLI E CLI S SRS SNMP CA syslog CA CM CLI E CLI S CM CLI E CLI S LED CM CLI E CLI S SRS SNMP CA syslog CA CM CLI E CLI S SNMP CA syslog CA CLI E CLI E CLI S syslog CA and StorTools M with 2nd copy of StorTools running on management host with ethernet connection to disk tray OFDG CLI E CLI S OFDG CLI E CLI S CLI S StorTools A application syslog CA and StorTools M application with 2nd copy of StorTools application running on management host with Ethernet connection to disk tray CLI E CLI S CLI E CLI S a LED Light emitting diodes on the array m CM Component Manager a CLI E Command line utilities run via ethernet connection as described in Sun StorEdge T3 and T3 Array Administrator s Guide a CLI S Command line utilities run via a serial connection as described in Section 2 1 Establishing a Serial Port Connection on page 2 1 a OFDG Off line Drive Diagnostic utility as described in Sectio
166. ontroller Note Verify a controller card failure using the CLI or Sun StorEdge Component Manager Chapter 4 Controller Card Assembly 4 3 4 2 Removing and Replacing a Controller Card A controller card can be replaced without system interruption only if the array is one in a partner group redundant controller unit configuration Caution A removed controller card must be replaced within 30 minutes or the Sun StorEdge T3 and T3 array and all attached arrays will automatically shut down and power off To replace the controller card Observe static electricity precautions See Section 1 5 Static Electricity Precautions on page 1 5 Ensure that the controller card is showing failure status Remove the Ethernet cable from the 10BASE T connector Remove the fiber optic cable and MIA from the FC AL connector Unlock the controller card by pushing in on the latch handles Use a coin or small screwdriver to press in and release the latch handle Sun StorEdge T3 array controller card Sun StorEdge T3 array controller card Latch handle FIGURE 4 3 Removing the Controller Card 4 4 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 10 11 12 Pull the controller card out using the latch handles Insert the new controller card Lock the new controller card by pushing in the latch handles Use a coin or small screwdriver to press in and secure the latch hand
167. orTools Connectivity Tests 3 8 3 5 1 Primary Path Verification by the Host 3 8 3 5 2 Verifying Hub Connectivity 3 11 Checking Array Boot Status 3 11 Telnet Connection Status Checks 3 14 3 7 1 Determining Failover 3 14 3 7 2 Verifying the Firmware Level and Configuration 3 15 3 7 3 Checking FRU Status 3 18 3 74 Testing the Array With StorTools 3 19 Identifying Miscabled Partner Groups 3 19 Identifying Data Channel Failures 3 23 Controller Card Assembly 4 1 4 1 4 2 4 3 Controller Card LEDs 4 1 Removing and Replacing a Controller Card 4 4 Upgrading Controller Firmware 4 5 4 3 1 Sun StorEdge T3 Array Controller Firmware 4 6 4 3 2 Sun StorEdge T3 Array Controller Firmware 4 8 xvi Sun StorEdge T3 and T3 Array Field Service Manual September 2001 Disks and Drives 5 1 5 1 5 2 5 3 5 4 5 5 Monitoring Drive Status 5 1 5 1 1 Checking Drive Status Codes 5 2 5 12 Checking the Hot Spare 5 3 5 13 Checking Data Parity 5 4 5 1 4 Checking Drive Temperature 5 5 Disk Drive LEDs 5 6 Repairing Disk Drives 5 7 5 3 1 Removing and Replacing a Disk Drive 5 8 5 3 2 Rebuilding a Replaced Drive FRU 5 11 Upgrading Disk Drive Firmware 5 13 Clearing Corrupted Disk Labels 5 15 Interconnect Card Assemblies 6 1 6 1 6 2 6 3 Interconnect Card LEDs 6 2 Removing and Replacing an Interconnect Card 6 3 Upgrading Interconnect Card Firmware 6 5 Power and Cooling Unit Assemblies 7 1 7 1 7 2 7 3 7 4 Power and Cooling Un
168. ore running the ofdg utility all disks other than those located in the ul tray must be assigned to a LUN Problems might occur if ofdg is run on systems where non u1 disks have not been assigned to volumes 8 16 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 m ofdg does not detect missing loop cables a ofdg output goes to the syslog and serial port only m ofdg assumes at least one back end loop cable is functional After installing a new drive wait two minutes before running ofdg Follow these steps to run ofdg Perform an ofdg health_check operation lt 1 gt ofdg health_check All loops are given either a Go or No Go status a If there is a Go status this indicates that the ofdg test did not detect any problems with the configuration and that there is no need for further tests m If there is a No Go status proceed to the next step Perform an ofdg fast_test operation lt 2 gt ofdg fast_test ulll All loops are given either a Go or No Go status m If there is a Go status this indicates that the ofdg test did not detect any problems with the configuration and that there is no need for further tests m If there is a No Go status proceed to the next step Perform an ofdg fast_find operation lt 3 gt ofdg fast_find ull1 The loop is given a Go or No Go status with progress indications If a failure is reported on the first or nearest enclosure then the loop card
169. ort targetid addr_type status host wwn ulpl 1 hard online sun 50020f23000002ba mgmt host format Searching for disks done AVAILABLE DISK SELECTIONS 0 cOt0d0 lt SUN4 2G cyl 3880 alt 2 hd 16 sec 135 gt pci 1f 4000 scsi 3 sd 0 0 1 c2t1d0 lt SUN T300 0101 cyl 34145 alt 2 hd 64 sec 128 gt pci 6 2000 SUNW ifp 1 ssd w50020F23000002ba 0 Specify disk enter its number In the example above the WWN of 50020f23000002ba identifies the port and volume match Verifying the Firmware Level and Configuration The Sun StorEdge T3 array has four different types of firmware m Controller firmware See Section 4 3 Upgrading Controller Firmware on page 4 5 m Controller electrically erasable programmable read only memory EPROM firmware See Section 4 3 1 2 Controller EPROM Firmware on page 4 6 m Disk drive firmware See Section 5 4 Upgrading Disk Drive Firmware on page 5 13 m Interconnect card firmware See Section 6 3 Upgrading Interconnect Card Firmware on page 6 5 The firmware upgrade procedures must be done through the Ethernet connection The latest firmware versions are located on the SunSolve web site http sunsolve sun com Firmware file naming restrictions are as follows a The name consists of a string of 1 to 12 characters a The name must start with an alphabetic character and not a numeral For example Chapter 3 Diagnosing Problems 3 15 a
170. ory Passed Initializing Cache Memory Initializing system DB structure Initializing configuration LZ LZ Initializing port configuration Initializing loop 2 to accept SCSI commands ounting root volume Checking local file system Initializing network routes Read PGR data Done Starting Syslog Daemon System has 1 active controller s Ta tializing TFTP Starting ftpd Starting telnetd Starting timed S S S S C E H S Z oO tarting pshd tarting httpd tarting snmpd tarting schd hecking disk positions nitializing host port ulpl ISP2200 firmware status 7 ost port ulpl TARGET_ID Oxffff ALPA 0x5 tarting psh Login C 12 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 C 3 2 4 Sun StorEdge T3 Array Enterprise Configuration T3B 2 Starting POST POST end Starting T3B EP Release 2 00 2001 03 26 16 33 52 129 150 28 80 Copyright C 1997 2001 Sun Microsystems Inc All Rights Reserved Found units ul ctr u2 ctr auto boot is enabled hit the RETURN key within 3 seconds to cancel Starting T3B Release 2 00 2001 04 02 15 21 29 129 150 28 80 Copyright C 1997 2001 Sun Microsystems Inc All Rights Reserved Initializing software Found units ul ctr u2 ctr Default master is ul Default alternate master is u2 Master coming up Starting Heart
171. ount vl Type vol remove vl 10 18 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 3 Use the vol list and vol stat commands to verify that the phantom volume has been deleted and that the existing volume remains For example lt 3 gt vol list volume capacity raid data standby v0 289 6 GB 5 uldl 9 none lt 4 gt vol stat vO uldl uld2 uld3 uld4 uld5 uld6 uld7 uld8 uld9 mounted 0 0 0 0 0 0 0 0 0 4 Use the fru list and fru stat commands to verify that the array is functional and ready for operation For example lt 5 gt fru list ID TYPE VENDOR MODEL REVISION SERIAL ulctr controller card SCI SJ 375 0084 01 0210 003636 uldl disk drive SEAGATE ST136403FSUN D44A LT067917 uld2 disk drive SEAGATE ST136403FSUN D44A LT128949 uld3 disk drive SEAGATE ST136403FSUN D44A LT182205 uld4 disk drive SEAGATE ST136403FSUN D44A LT133265 uldd5 disk drive SEAGATE ST136403FSUN D44A LT152632 uld6 disk drive SEAGATE ST136403FSUN D44A LT183848 uld7 disk drive SEAGATE ST136403FSUN D44A LT187470 uld8 disk drive SEAGATE ST136403FSUN D44A LT188683 uld9 disk drive SEAGATE ST136403FSUN D44A LT151139 ul11 loop card SCI SJ 375 0085 01 5 02 Flash 002719 u112 loop card SCI SJ 375 0085 01 5 02 Flash 003711 ulpcul power cooling unit TECTROL CAN 300 1454 01 0000 008917 ulpcu2 power cooling unit TE
172. ove only the failed interconnect card Leave the second interconnect card intact in the array a Ina partner group remove the interconnect cable only from the failed interconnect card Leave the interconnect cable attached to the working interconnect card To replace an interconnect card Ensure that the interconnect card to be replaced is showing failure status Refer to FIGURE 6 1 Observe static electricity precautions See Section 1 5 Static Electricity Precautions on page 1 5 Remove the interconnect cable from the failed interconnect card only Note If a single controller unit configuration ignore this step and proceed to Step 4 Mark the connector with either 1 or 2 Chapter 6 Interconnect Card Assemblies 6 3 4 Unlock the failed interconnect card by pushing in on the latch handle Use a coin or small screwdriver to press in and release the latch handle Latch handle FIGURE 6 2 Removing the Interconnect Card 5 Pull the interconnect card out using the latch handle Caution The interconnect card that is removed must be replaced within 30 minutes or the Sun StorEdge T3 and T3 array and all attached arrays will automatically shut down and power off S Insert the new interconnect card making sure that the card sits on the frame 7 Lock the new interconnect card in place by pushing in the latch handle Use a coin or small screwdriver to press in and secure the latch
173. ower and Cooling Unit Chapter 7 Power and Cooling Unit Assemblies 7 5 7 Insert the new power and cooling unit 8 Lock the new power and cooling unit by pushing in both latch handles 9 Insert the power cord into the power and cooling unit connector 10 Connect the power cord into the AC outlet Verify that the AC LED on the power and cooling unit is amber indicating that AC power is present 11 Push the power and cooling unit power switch on Verify that both LEDs on the power and cooling unit are green indicating that the unit is receiving power 12 Verify the status of the power and cooling unit using either the CLI or Component Manager Refer to Section 3 7 3 Checking FRU Status on page 3 18 or the Sun StorEdge Component Manager User s Guide for instructions Note After installing the new power and cooling unit the batteries will take some time to recharge 7 4 UPS Battery The uninterruptible power supply UPS battery is located within the power and cooling unit The battery provides backup in case of a complete AC power failure and sustains power to the array long enough to flush cache data to the drives When a Sun StorEdge T3 and T3 array is first powered up write behind caching is disabled cache runs in write through mode for a short time The write behind caching is disabled during cold boots even if AC power has not been removed from the array as the firmware attempts to determine the conditio
174. p problems Note The symbol represents the presence of the isp2100 chip CODE EXAMPLE 8 4 loop stat Command Normal Ouput lt 4 gt loop stat Loop 1 lt 1 2 gt Loop 2 lt 1 2 gt 8 6 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 8 2 5 Where lt 1 gt means uld1 9 and ulctr ISP2100 are on the loop lt 2 gt means u2d1 9 are u2ctr ISP2100 are on the loop lt 1 gt lt 2 gt means the loop is split into 2 segments lt 1 2 gt means uld1 9 and u2d1 9 and ulctr and u2ctr ISP2100s are all on the loop lt 1 2 gt means uld1 9 and u2d1 9 and ulctr ISP2100 are on the loop 1 CU and 1 EU would result in this configuration The disk pathstat Command The disk pathstat command returns the current disk path logical configuration A path status other than what is displayed below might indicate loop problems Note The Telnet session always runs the command through the master controller Although it is possible to connect directly to the alternate controller it is not supported CODE EXAMPLE 8 5 disk pathstat Command Normal Ouput lt 5 gt DISK PPATH APATH CPA disk pathstat uld1 9 H PATH_POLICY FAIL_POLICY 1d1 Ld2 1d3 Ld4 1d5 1d6 1d7 1d8 Sp EE 6 6 OO e Oi FO Oe PRPrPRPP PPP APA APA APA PPA PPA PPA PPA PPA H APA H APA H APA H PPA
175. passed on loop 1 ld6 Not bypassed on loop 1 147 Not bypassed on loop 1 1d8 Not bypassed on loop 1 ld9 Not bypassed on loop 1 fcal ports were detected on 11 lctr ISP2100 0 Received LIP f7 ef async event fcal ports were detected on 11 111 ONDG No Loop Trouble Found o 8 26 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 ay 26 19 20 04 CFGT 1 N ulctr Release A Loop A Mask lt 1 gt B Mask lt 1 gt ay 26 19 20 05 ISR1 uld4 SVD_PATH_FAILBACK path_id 1 ay 26 19 20 05 ISR1 uld5 SVD_PATH_FAILBACK path_id 1 ay 26 19 20 05 ISR1 uld6 SVD_PATH_FAILBACK path_id 1 ay 26 19 20 05 ISR1 uld7 SVD_PATH_FAILBACK path_id 1 ay 26 19 20 05 ISR1 uld8 SVD_PATH_FAILBACK path_id 1 ay 26 19 20 05 ISR1 uld9 SVD_PATH_FAILBACK path_id 1 ay 26 19 20 10 BELP 1 ulll ONDG Loop Fault Diag Re ay 26 19 20 10 ONDG 1 FIND Initiated on ulll ay 26 19 20 10 ONDG 1 N FIND Completed on ulll ay 26 19 20 10 ONDG 1 STATUS PASS ay 26 19 20 10 ONDG 1 ul PASS ay 26 19 20 13 ONDG 1 N ONDG Completed 13 Once the failed disk drive FRU has been identified remove the suspect disk drive from the configuration with the vol disable command lt 9 gt fru s uldl1 9 DISK STATUS STATE ROLE PORT1 PORT2 TEMP VOLUME uldl ready enabled data disk ready ready 44 vO uld2 ready ena
176. power and cooling unit is available to be inserted Caution Replace only one power and cooling unit at a time to prevent system interruption 7 4 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 To replace a power and cooling unit Observe static electricity precautions See Section 1 5 Static Electricity Precautions on page 1 5 Power off the power and cooling unit by pressing the power switch FIGURE 7 1 Make sure that the AC LED is amber and the PS LED is off FIGURE 7 2 Disconnect the power cord from the AC outlet Disconnect the power cord from the power and cooling unit connector by squeezing both sides of the connector and pulling straight out FIGURE 7 1 Unlock the power and cooling unit by using a coin or small screwdriver to push in and release the two latch handles FIGURE 7 3 Pull the power and cooling unit out of the array Put one index finger through each of the latch handles With your thumbs on the top of the chassis for support pry the power and cooling unit out of its connectors with an upward rotation Once it is out approximately 1 inch 2 5 cm the unit will be free to slide out of the frame on its rails Caution Any power and cooling unit that is removed must be replaced within 30 minutes or the Sun StorEdge T3 and T3 array and all attached arrays automatically shut down and power off Latch handle Latch handle FIGURE 7 3 Removing the P
177. ption The fast_test option provides a fast Go No Go Loop test The fast_test option performs the following steps 1 LAC_Reserve the FC AL Loop device under test DUT 2 Test next nearest enclosure on Loop DUT 3 Repeat Step 2 until all enclosures are tested 4 LAC_Release the FC AL Loop device under test DUT The fast_test option uses only the two worst case data patterns as shown below define ONDG_PATTERN_FOUR 0Ox7E7E7E7E from SUN define ONDG_ PATTERN _SIX Ox4A4A4A4A from SUN 8 18 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 8 3 8 3 8 3 8 4 For each data pattern the fast_test option performs the following m 2 synchronous Write Read Compares at 64 KB m 250 asynchronous Read Writes at 64 KB a Monitors for errors using all the FC AL port counters on the Loop DUT plus the counters from the single disk DUT The ofdg fast_find Option The fast_find option provides a fast Go No Go Loop test identical to fast_test plus a simplified Loop Fault Diag The fast_find option performs the following steps 1 LAC_Reserve the FC AL Loop device under test DUT 2 Reconfigure Loop via MUX with next nearest enclosure on Loop DUT 3 Test next nearest enclosure on Loop DUT 4 Repeat Step 2 and Step 3 until all enclosures are tested 5 LAC_Release the FC AL Loop device under test DUT The big difference between fast_find and find is that fast_find
178. r installed 2909 u212 ready enabled slave installed 33 0 ulll ready enabled master 5 installed 28 0 ull2 ready enabled slave installed 32 0 POWER STATUS STATE SOURCE OUTPUT BATTERY TEMP FAN1 FAN2 ulpcul ready enabled line normal normal normal normal normal ulpcu2 ready enabled line normal normal normal normal normal u2pcul ready enabled line normal normal normal normal normal u2pcu2 ready enabled line normal normal normal normal normal Note The batteries in the power and cooling units recharge after powering on the unit During the recharge a fault message is displayed in the fru stat output for the batteries While the batteries are recharging write behind cache is disabled 10 12 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 3 Use the vol add command to create the volume s on the alternate master as follows a Define the volume name vol add volume name b Define the drives data u2dn n on which the volume resides where u2 is the array unit number a dn n are the disk drives n 1 to 9 c Define the RAID level raid n where n 0 1 or 5 d Optional define the hot spare drive standby und9 where a u2 is the array unit number d9 is the number of the hot spare disk drive lt 3 gt vol add volume name data undn n raid n standby und9 For example lt 4 gt vol add v1 data u2d1 8 raid 5 standby u2d9 a v1 is the volume name a u2d1 8 indi
179. ration and Service Manual Sun StorEdge T3 and T3 Array Administrator s Guide and Sun StorEdge T3 and T3 Array Release Notes Work with the site system administrator to determine if any external hardware or software products are required to repair this device XXV How This Book Is Organized This manual is organized as follows Chapter 1 provides a troubleshooting overview on the Sun StorEdge T3 and T3 array Chapter 2 describes how to connect to and boot the Sun StorEdge T3 and T3 array Chapter 3 provides the qualified service provider with troubleshooting techniques for the Sun StorEdge T3 and T3 array Chapter 4 describes how to monitor and replace the controller card and upgrade the firmware Chapter 5 describes how to monitor and replace the disk drives and upgrade the firmware Chapter 6 describes how to monitor and replace the interconnect card and upgrade the firmware Chapter 7 describes how to replace the power and cooling unit and monitor the UPS Chapter 8 describes how to diagnose and correct back end FC AL drive loop problems with the Sun StorEdge T3 and T3 array Chapter 9 describes how to replace the chassis backplane assembly Chapter 10 describes how to reconfigure the Sun StorEdge T3 array into partner groups and single controller units Appendix A contains part numbers and illustrations of field replaceable units Appendix B lists the Sun StorEdge T3 and T3 array defaults Appendix C con
180. ready 29 vi u2d8 ready enabled data disk ready ready 28 v1 u2d9 ready enabled data disk ready ready 29 vi LOOP STATUS STATE MODE CABLE CABLE2 TEMP u211 ready enabled master installed 29 25 u212 ready enabled slave installed 34 0 ulll ready enabled master installed 30 5 u112 ready enabled slave installed 33 5 POWER STATUS STATE SOURCE OUTPUT BATTERY TEMP FAN1 FAN2 ulpcul ready enabled line normal normal normal normal normal ulpcu2 ready enabled line normal normal normal normal normal u2pcul ready enabled line normal normal normal normal normal u2pcu2 ready enabled line normal normal normal normal normal Chapter 5 Disks and Drives 5 5 Note A warning message will appear in the array syslog file if a disk drive reaches 65 degrees C The array automatically starts spinning down an individual drive if the drive s temperature reaches 75 degrees C 5 2 Disk Drive LEDs LEDs at the top of each disk drive indicate drive activity and status These LEDs appear in the front cover on the unit TABLE 5 2 lists the possible drive LED states and a description for each state Disk drive LEDs AA FIGURE 5 1 Disk Drive LEDs Viewed Through Front Cover TABLE 5 2 Disk Drive LED Descriptions Drive Activity Drive Status Green Amber Descriptions Off Off Drive not installed not recognized
181. ress Return Chapter 10 Hardware Reconfiguration 10 17 10 2 4 10 2 4 1 Note If you need to create a new password or change some of the parameters such as the gateway netmask and others refer to Chapter 2 of the Sun StorEdge T3 and T3 Array Installation Operation and Service Manual for instructions Defining and Mounting Volumes This section describes the steps required for configuring the former master and alternate master units into single controller units Master Unit to a Single Controller Unit After you disconnect the arrays from each other and power on the former master unit the former master unit continues to display volumes formerly available in the partner group on the alternate master unit These phantom volumes do not exist but continue to display from the command line In the example that follows v1 is a phantom volume on a standalone array that was previously connected in a partner group volume v0 v1 v0 mounted v1 mounted lt 1 gt vol list capacity raid data standby 289 6 GB 5 uld1 9 none 0 0 GB 5 u2d1 9 none lt 2 gt vol stat uldl uld2 uld3 uld4 uld5 uld6 uld7 uld8 uld9 0 0 0 0 0 0 0 0 0 u2dl u2d2 u2d3 u2d4 u2d5 u2d6 u2d7 u2d8 u2d9 9 9 9 9 9 9 9 9 9 Note This situation occurs only on the former master unit The former alternate master unit does not require this procedure To correct this issue unmount the phantom volume and delete it Type vol unm
182. rial port connection when the system prompts to press a key within three seconds Install the firmware using the ep netload1 command T3B EP gt ep netload1 level 1_image_filename Set the bootmode to automatic T3B EP gt set bootmode auto Power cycle the array to reset it a Type lt 4 gt shutdown shutdown the system are you sure N y b Press the power button on each power and cooling unit to remove AC power c Press the power buttons again to return AC power to the array Chapter 4 Controller Card Assembly 4 13 4 3 2 3 4 3 2 4 Level 2 Controller Firmware In an enterprise configuration the ep command downloads level 2 firmware to both the master unit and alternate master unit at one time To upgrade the Level 2 controller firmware perform the following steps Use the ftp binary mode to transfer the firmware to the storage systems directory See Section 2 3 Establishing an FTP Session on page 2 5 Ina telnet session with the array install the level 2 image Type lt 1 gt ep download level 2_image_filename Level 3 Controller Firmware In an enterprise configuration this procedure downloads level 2 firmware to both the master unit and alternate master unit at one time To upgrade the Level 3 controller firmware perform the following steps Use the ftp binary mode to transfer the firmware to the storage systems directory See Sect
183. ring Corrupted Disk Labels on page 5 15 5 1 Monitoring Drive Status The following sections describe commands for monitoring the status of the drives Disk status can be checked by using a variety of CLI commands This section discusses how to monitor the following Section 5 1 1 Checking Drive Status Codes on page 5 2 Section 5 1 2 Checking the Hot Spare on page 5 3 Section 5 1 3 Checking Data Parity on page 5 4 Section 5 1 4 Checking Drive Temperature on page 5 5 1 On the host use the telnet command with the array name or IP address to connect to the array mngt_host telnet array name Trying 129 050 047 101 Connected to 129 150 47 101 Escape character is psoSystem 129 150 47 101 5 1 2 Log in to the array by typing root and the supervisor password at the prompts 5 1 1 Checking Drive Status Codes Use the vol stat command to check drive status codes All drives should show a status of 0 under normal conditions lt 40 gt vol stat v0 uldl uld2 uld3 uld4 uld5 uld6 uld7 uld8 uld9 mounted 0 0 0 0 0 0 0 0 0 v1 u2d1 u2d2 u2d3 u2d4 u2d5 u2d6 u2d7 u2d8 u2d9 mounted 0 0 0 0 0 0 0 0 0 The following table lists numeric drive status codes TABLE 5 1 Drive Status Messages Value Description Drive mounted Drive present Drive is spun up Drive is disabled Drive has been replaced Invalid system area on drive Drive not present Drive is disabl
184. roblems 8 3 Drives u1d1 9 and u2d1 9 are logically configured and electrically connected to both RAID controllers through loop 2 path 1 During normal operations drive u1d1 3 are accessed only by ulctr through u112 loop 2 path 1 Drives u2d1 3 are accessed only by u2ctr through u212 loop 2 path 1 Drives u1d1 9 and u2d1 9 are logically configured and electrically connected to both RAID controllers through loop 1 path 0 and loop 2 path 1 The normal configuration information can be determined by using the following CLI commands and interpreting the results m fru stat see Section 8 2 1 The fru stat Command on page 8 5 m vol mode see Section 8 2 2 The vol mode Command on page 8 6 m port listmap see Section 8 2 3 The port listmap Command on page 8 6 m loop stat see Section 8 2 4 The loop stat Command on page 8 6 m disk pathstat see Section 8 2 5 The disk pathstat Command on page 8 7 m disk linkstat see Section 8 2 6 The disk linkstat Command on page 8 8 The examples that follow show a Sun StorEdge T3 and T3 array in a redundant partner group configuration with no failed FUR s 8 4 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 8 2 1 The fru stat Command The fru stat command returns the current condition of both disk ports port 1 and port 2 as well as the status of the interconnect cards If there are loop problems this might indicate ce
185. rtain disk ports have a status other than ready or the loop cards with a status other than ready or enabled CODE EXAMPLE 8 1 fru stat Command Output lt 1 gt fru stat CTLR STATUS STATE ROLE PARTNER TEMP ulctr ready enabled master u2ctr 3 1 foro u2ctr ready enabled alt master ulctr 3955 DISK STATUS STATE ROLE PORT1 PORT2 TEMP VOLUME uldl ready enabled data disk ready ready 35 v0 uld2 ready enabled data disk ready ready 30 v0 uld3 ready enabled data disk ready ready 30 v0 uld4 ready enabled data disk ready ready 29 v0 uld5 ready enabled data disk ready ready 35 v0 uld6 ready enabled data disk ready ready 31 v0 uld7 ready enabled data disk ready ready 35 v0 uld8 ready enabled data disk ready ready 32 v0 uld9 ready enabled data disk ready ready 37 vO u2d1 ready enabled data disk ready ready 33 v1 u2d2 ready enabled data disk ready ready 33 v1 u2d3 ready enabled data disk ready ready 31 v1 u2d4 ready enabled data disk ready ready 31 v1 u2d5 ready enabled data disk ready ready 27 v1 u2d6 ready enabled data disk ready ready 32 v1 u2d7 ready enabled data disk ready ready 35 v1 u2d8 ready enabled data disk ready ready 30 v1 u2d9 ready enabled data disk ready ready 33 v1 LOOP STATUS STATE MODE CABLE1 CABLE2 TEMP u211 ready nabled master installed u212 re
186. rticular message classes in the log file that the array entries are written to The program looks through this log file at a customer determined 8 10 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 frequency for the specified type of messages and sends email if a match is made Typically Stor Tools message monitoring is configured to scan for warning or error messages These message can also be examined in the disk tray s local syslog The email recipient can be the customer or any other destination the customer desires See Section 8 3 3 StorTools Message Monitoring on page 8 13 for more detail 3 A third indication of a problem may be a message or change of status in the Component Manager maintenance program GUI display for example a suspect FRU highlighted in red Component Manager also sends email to whomever the customer specifies and logs the failure into a customer designated log file on the host that Component Manager is running on See Section 8 3 4 Component Manager Status Indicator on page 8 13 and Section 8 3 6 Example syslog Error Messages on page 8 14 for more details 4 A fourth indication of a problem may be a warning or error log entry in the local Sun StorEdge T3 array syslog file Examine this file by using CLI commands via a Telnet or Tip connection This file can also be transferred via ftp to another host for examination and archiving See Section 8 3 5 Manual Examination of
187. rvice Manual September 2001 C2 Reset Log Types If the error level is set to Notice 2 or higher Warning or Error trace the reason for the reset through the syslog file TABLE C 3 Reset Log Types Index Type 0 Hardware 1 Exception 2 Assertion 3 RAIDFail 4 Takeover 5 pSOSFail 6 SysFail Type Value Description 0x1000 User reset 0x2000 Exception 0x3000 Software assertion 0x4000 RAID fatal error 0x5000 Takeover 0x6000 pSOS fatal error 0x7000 System error TABLE C 4 Default System Files and Directories Files and Directories adm etc hosts etc schd conf etc syslog conf web elemprop htm web encmap htm web sysprop htm web voloper htm web snmp t3 mib webgui Description Empty directory Default hosts with comments on format of file Battery Refresh File Contents BAT_CYC 7 System Logging Configuration File Component Manager Req d File Component Manager Req d File Component Manager Req d File Component Manager Req d File SNMP Req d File Contains old browser based admin files Appendix C Sun StorEdge T3 and T3 Array Messages C 3 C 3 C 3 1 C 3 1 1 Boot Messages Boot messages can be extremely useful in troubleshooting situations The following are examples of standard boot messages on T3 arrays having no failures Typical boot messages for the T3 and T3 workgroup and enterprise configurations appear below for reference This section consists of the following components
188. s crites de Sun LA DOCUMENTATION EST FOURNIE EN L ETAT ET TOUTES AUTRES CONDITIONS DECLARATIONS ET GARANTIES EXPRESSES OU TACITES SONT FORMELLEMENT EXCLUES DANS LA MESURE AUTORISEE PAR LA LOI APPLICABLE Y COMPRIS NOTAMMENT TOUTE GARANTIE IMPLICITE RELATIVE A LA QUALITE MARCHANDE A L APTITUDE A UNE UTILISATION PARTICULIERE OU A L ABSENCE DE CONTREFA ON Od aoe Ca Adobe PostScript Regulatory Compliance Statements Your Sun product is marked to indicate its compliance class m Federal Communications Commission FCC USA m Industry Canada Equipment Standard for Digital Equipment ICES 003 Canada a Voluntary Control Council for Interference VCCI Japan Bureau of Standards Metrology and Inspection BSMI Taiwan Please read the appropriate section that corresponds to the marking on your Sun product before attempting to install the product FCC Class A Notice 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 2 This device must accept any interference received including interference that may cause undesired operation Note This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environme
189. s Listed in Alphabetical Order Command Description boot Boot system disable Disable certain FRUs disk Disk administration enable Enable certain FRUs ep Program the flash EPROM fru Display the FRU information help Display reference manual pages id Display FRU identification summary logger Generate messages to the syslog in the unit dump the reset log and display system crash information lpc Get interconnect card property port Configure the interface port proc Displays status of outstanding vol processes refresh Start stop battery refreshing or display its status reset Reset system set Display or modify the set information shutdown Shut down array or partner group sys Display or modify the system information ver Display software version vol Display or modify the volume information D 2 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 D 2 FRU Identifiers Many commands use a FRU identifier to refer to a particular FRU in a array This identifier contains a unit constant u the unit number encid the FRU constant ctr for controller card pcu for power and cooling unit 1 for interconnect card d for disk drive and the FRU number n TABLE D 2 lists the possible FRU variables as they appear in this appendix TABLE D 2 FRU Identifiers FRU Identifier Unit number Controller card uencidctr Power and cooling unit uencidpcu 1 2 uencid1 1 2 Interconnect card Disk drive
190. s value logto 1 filename where 1 Forces logging to serial console Directs logging daemon to direct logging as specified in the etc syslog conf file loglevel 3 011121314 where 0 N0 logging at all 1 Error messages only 2 Warning and higher messages 3 Notice and higher messages 4 All message levels including info rarp on on off mac nnmninn Controller MAC address Set by firmware B 2 System Defaults Specify system defaults with the sys command See the Sun StorEdge T3 and T3 Array Administrator s Guide for more information on using the sys command TABLE B 2 System Default Settings Sys Parameter blocksize cache mirror mp_support rd_ahead Default 64k auto auto none on Variables 16k 32k 64k auto writebehind writethrough off auto off rw none Multi pathing support Set to off to always perform datablock read ahead B 2 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 TABLE B 2 System Default Settings Sys Parameter Default Variables recon_rate medium high medium low Reconstruction rate memsize 32 Set by controller read only In MBytes cache memsize 256 Set by controller read only In MBytes B 3 Volume Defaults Specify system defaults with the vol command See the Sun StorEdge T3 and T3 Array Administrator s Guide for more information TABLE B 3 Volume Defaults Parameter Default Variables 1 16 1 is
191. sS amp Sun microsystems Sun StorEdge T3 and 13 Array Field Service Manual Sun Microsystems Inc 901 San Antonio Road Palo Alto CA 94303 4900 U S A 650 960 1300 Part No 816 0779 10 September 2001 Revision A Send comments about this document to docfeedback sun com Copyright 2001 Sun Microsystems Inc 901 San Antonio Road Palo Alto CA 94303 4900 U S A All rights reserved This product or document is distributed under licenses restricting its use copying distribution and decompilation No part of this product or document may be reproduced in any form by any means without prior written authorization of Sun and its licensors if any Third party software including font technology is copyrighted and licensed from Sun suppliers Parts of the product may be derived from Berkeley BSD systems licensed from the University of California UNIX is a registered trademark in the U S and other countries exclusively licensed through X Open Company Ltd Sun Sun Microsystems the Sun logo AnswerBook2 docs sun com JumpStart Sun StorEdge StorTools SunSolve and Solaris are trademarks registered trademarks or service marks of Sun Microsystems Inc in the U S and other countries All SPARC trademarks are used under license and are trademarks or registered trademarks of SPARC International Inc in the U S and other countries Products bearing SPARC trademarks are based upon an architecture developed by Sun Microsystems In
192. stem logging file Component Manager required file SNMP required file Note At time of manufacture Sun StorEdge T3 and T3 array system disks do not contain controller firmware interconnect card binaries EP binaries or drive firmware images You can download all of these from the SunSolve web site B 4 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 APPENDIX C Sun StorEdge T3 and T3 Array Messages This appendix contains a description of array error messages See the Sun StorEdge T3 and T3 Array Administrator s Guide for explanations of the more important error messages This chapter contains the following sections m Section C 1 Message Syntax on page C 1 m Section C 2 Reset Log Types on page C 3 m Section C 3 Boot Messages on page C 4 a Interpreting Boot Messages on page 4 a Examples of Boot Messages on page 7 C 1 Message Syntax Error message syntax consists of the following two components m Section C 1 1 Message Types on page C 2 m Section C 1 2 FRU Identifiers on page C 2 The following sub sections describe these components and list possible error and warning messages See the Sun StorEdge T3 and T3 Array Administrator s Guide for explanations of the more important error messages C 1 C 1 1 Message Types A syslog daemon exists in the hardware RAID controller that records system messages and provides for remote monitoring T
193. tains a description of the messages that can be reported by the array Appendix D contains descriptions of the commands supported by the Sun StorEdge T3 and T3 array Appendix E lists the FC AL loop identified by AL_PA switch and setting values Appendix F contains a blank worksheet for the qualified service provider to make notes at each customer site xxvi Sun StorEdge T3 and T3 Array Field Service Manual September 2001 Using UNIX Commands This document contains some information on basic UNIX commands and procedures such as booting the devices For more information outside of this document see the following m AnswerBook2 online documentation for the Solaris software environment a Other software documentation that you received with your system Preface xxvii Typographic Conventions TABLE P 1 Typographic Conventions Typeface Meaning Examples AaBbCc123 The names of commands files and directories on screen computer output AaBbCc123 What you type when contrasted with on screen computer output AaBbCc123 Book titles new words or terms words to be emphasized glossary terms Command line variable replace with a real name or value Edit your login file Use 1s a to list all files 2 You have mail oe su Password Read Chapter 6 in the User s Guide These are called class options The user must be superuser to do this To delete a file type rm filename S
194. taire d un produit Sun qui a t modifi Positionnement d un produit Sun Attention pour assurer le bon fonctionnement de votre produit Sun et pour l emp cher de surchauffer il convient de ne pas obstruer ni recouvrir les ouvertures pr vues dans l appareil Un produit Sun ne doit jamais tre plac proximit d un radiateur ou d une source de chaleur Attention le niveau de pression acoustique au poste de travail s l ve selon la norme DIN 45 635 section 1000 70 dB A ou moins Conformit SELV S curit les raccordements E S sont conformes aux normes SELV Connexion du cordon d alimentation Attention les produits Sun sont con us pour fonctionner avec des alimentations monophas es munies d un conducteur neutre mis la terre Pour carter les risques d lectrocution ne pas brancher de produit Sun dans un autre type d alimentation secteur En cas de doute quant au type d alimentation lectrique du local veuillez vous adresser au directeur de l exploitation ou un lectricien qualifi x Sun StorEdge T3 and T3 Array Field Service Manual September 2001 Attention tous les cordons d alimentation n ont pas forc ment la m me puissance nominale en mati re de courant Les rallonges d usage domestique n offrent pas de protection contre les surcharges et ne sont pas pr vues pour les syst mes d ordinateurs Ne pas utiliser de rallonge d usage dom
195. termined by the site system administrator Consult with the site system administrator to obtain access to this log See Section 2 6 Setting Up Remote Logging on page 2 10 to set up this service 12 2 Host Generated Message A syslog daemon in the host hardware writes system error message logs to var adm messages The data host sees a array as one or two logical volumes A host generated message indicates that the host cannot communicate with the array through the Fibre Channel Arbitrated Loop FC AL channel or that an excessive number of channel errors are occurring If the host loses access to the array through the channel connection then any host messages regarding the array will refer only to the LUNs To see details of problems internal to the Sun StorEdge T3 and T3 array use the telnet command to connect to the array and run the fru stat command In a partner group configuration where alternate pathing failover has been established the failure of a channel path or array controller causes the host to redirect I O from the failed channel to the second FC AL connection 1 2 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 A variety of software logging tools monitor the various branches of the storage network When an error is detected the error s severity level is categorized and classified Errors are reported or logged according to severity level TABLE 1 1 TABLE 1 1 Levels of Message Notification M
196. the UPS battery backup There are no serviceable parts inside this unit Note The batteries in the power and cooling units recharge after powering on the array If the batteries are less than fully charged fru stat output displays batteries in a fault condition and write behind cache is disabled until the batteries are charged Note that the system can take several hours to determine the health of the batteries after the system is turned back on Batteries reflect a non optimal state after power loss events and also after turning off power switches 12 Power and Cooling Unit LEDs Each of the power and cooling units has an AC LED and a power supply PS LED TABLE 7 1 lists the possible conditions of these LEDs with a description of each state 7 2 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 7221 Power and Cooling Unit LEDs Each power and cooling unit has an AC LED and a power supply PS LED TABLE 7 1 lists the possible conditions of these LEDs and describes each state AC LED PS LED fa FIGURE 7 2 Power and Cooling Unit LEDs TABLE 7 1 Power and Cooling Unit LED Descriptions AC LED Green PS LED or Amber Green or Amber Description Off Off e Power is off e No AC input Amber Off e Power is off e Power switch turned off e AC power is available Green Off Occurs when array is shut down e PCU disabled e AC power is available Green Green Normal operating state e PCU rec
197. the internal array volume s lt 4 gt vol unmount v0 6 Disconnect the fiber optic cables from the array MIAs 7 Disable Component Manager polling to the target Sun StorEdge T3 array Consult your Component Manager documentation for details 8 Establish a serial connection and Tip session to the Master RAID controller of the problem array See Section 2 1 Establishing a Serial Port Connection on page 2 1 9 Execute the set command and note the current values of 1ogto and loglevel lt 1 gt set bootmode auto bootdelay 3 sn 001893 ip 123 123 123 24 netmask 255 255 255 0 gateway 123412331231 tftphost 0 0 0 0 tftpfile hostname T3a vendor SCI SJ model 375 0084 01 j j2 revision 0210 logto in nvram loglevel 3 rarp on mac 00 20 2 00 07 65 You will need these values in step Step 21 8 24 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 lt 8 gt ofdg find ull1 WARNING Volume data will be offline while OFDG is running Continue N y ONDG Initiated FIND Initiated on ulll Loop 1 Configured as lt 1 gt Loop 2 Loop 2 Loop 2 Loop 2 FIND Completed on ulll STATUS ul PASS ONDG Completed O Loop 1 Configured as lt 1 gt O Loop 1 Configured as lt 1 gt O Loop 1 Configured as lt 1 gt O 10 From the host Tip session set the logto to 1 and the loglevel to 4 lt 5 gt set logto 1 lt 6 gt
198. the new MAC address Allow time to complete the boot cycle When all LEDs are green proceed to the next step 22 Check the LEDs at the front and back of the unit to ensure that all components are receiving power and are functional While the drives are spinning up the LEDs blink The array boot time take up to several minutes after which all LEDs should be solid green indicating that the unit is receiving power and there is no drive activity Note The batteries in the power and cooling units recharge after powering on the unit While the batteries are recharging write behind cache is disabled Note If the green power and cooling unit LEDs on connected units do not light press the power switches on those units 23 Use either the CLI or Component Manager to verify that all components are functioning properly a To verify status using the CLI open a Telnet session to the disk array and verify volume and FRU status as described Section 3 7 3 Checking FRU Status on page 3 18 m To verify status using Component Manager consult the Sun StorEdge Component Manager User s Guide lt 1 gt fru stat lt 2 gt vol stat Note that when the backplane is replaced the data host volume s WWN changes The WWN is derived from the backplane serial number Since the volume WWN is part of the volume s device path on the data host the device path definition on the data host changes Therefore you must recon
199. tion Sun StorEdge Component Manager provides a graphical user interface GUI to monitor and manage one or more Sun StorEdge T3 and T3 arrays that are connected to a host Sun StorEdge Component Manager software enables the administration of some of the components of the array and constantly monitors system health Alarm notification and remote reporting alert the system administrator of abnormal activities or conditions that require attention The Sun StorEdge Component Manager Installation Guide provides instructions for installing the software and also covers the necessary steps to verify the installation launch the software and uninstall the software The Sun StorEdge Component Manager User s Guide describes how to use the GUI to administer Sun StorEdge T3 and T3 arrays The Sun StorEdge Component Manager software communicates with the array via an Ethernet connection It must be installed configured and initialized on the management host The management host does not have to be the application host directly connected to the array The software recognizes the unit through the Ethernet address and monitors it through a polling routine The Sun StorEdge Component Manager GUI displays information on the unit including the suspected problem area The software can be configured to route error messages to a log file generate an email or page an on call person The log file contains information that can be used to determine the fault and
200. tion are as follows m ftp images are displayed m You can have multiple windows open for each array m The Telnet connection provides a faster interface than the serial port connection which can be useful for displaying syslog information Chapter 2 Connecting to the Sun StorEdge T3 and T3 Array 2 3 You can quickly determine the status of the array unit from the CLI The syslog file of the array file system contains a record of events that have occurred in the unit and can also be examined through the CLI To open a Telnet connection and start a session with the array 1 On the host use the telnet command with the array name or IP address to connect to the array For example to telnet to a array named T3 1 mgmt host telnet T3 1 gt Trying 123 128 123 Leas Connected to T3 1 Escape character is psoSystem 123 123 123 1 gt gt gt gt Login 2 Log in to the array by typing root and the root password at the prompts The array prompt is displayed 3 To view the available commands on the array type help at the prompt lt 1 gt help ftp telnet arp cat cd cmp cp date echo head help ls mkdir mv ping pwd rm rmdir tail touch boot disable disk enable fru id logger lpc more passwd port proc reset set shutdown sync sys tzset ver vol ep refresh route For more information on how to set up the syslog file and interpret it see Section 2 6 Setting Up Remote Logging
201. tions for this failure CODE EXAMPLE 8 12 Example disk linkstat Error Data disk linkstat uld1 9 path 0 master controller DISK LINKFAIL LOSSSYNC LOSSSIG PROTOERR INVTXWORD INVCRC uldl Disk Link Status Failed uld2 Disk Link Status Failed uld3 Disk Link Status Failed uld4 Disk Link Status Failed uld5 Disk Link Status Failed uld6 Disk Link Status Failed uld7 Disk Link Status Failed uld8 Disk Link Status Failed uld9 Disk Link Status Failed fail When the disk linkstat command is run from the master controller it is unable to access any of the link registers for drives u1d1 9 This supports the conclusion that loop 1 path 0 has had a failure Once a suspect loop has been determined use a process of elimination to locate the failed FRU on that loop as described in the following sections Chapter 8 Diagnosing and Correcting FC AL Loop Problems 8 15 8 3 8 AN Using the ofdg Diagnostic Utility If the problem is still unresolved the last diagnostic tool to use is the off line drive diagnostic utility ofdg Because the ofdg diagnostic requires that the T3 partner group be removed from host access it is a highly disruptive procedure stops all data access to the T3 system Coordinate and schedule this down time with the customer To view the available ofdg utility command parameters simply enter ofdg on the command line with no options lt 15 gt ofdg usage ofdg health_check of
202. tivity has stopped The drive activity LEDs become solid green indicating that the drives are idle 3 If any volume manager software is running such as VERITAS disable transactions to the volumes that reside on the Sun StorEdge T3 and T3 array backplane you are replacing and to all other volumes in that partner group a Consult the appropriate volume manager documentation for information on disabling the data hosts access to the Sun StorEdge T3 and T3 array volumes 4 Execute the shutdown command lt 1 gt shutdown Shutdown the system are you sure N y 9 2 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 5 Power down the failed disk array Press the power button once on each power and cooling unit to turn the switch off FIGURE 9 1 Power switches Il i LIE co qo Eo gt FIGURE 9 1 Power Switch Location All arrays power down automatically when any one array in the partner group is powered down 6 Record the Sun StorEdge T3 and T3 array system serial number and MAC address Locate the pull out tab at the left side of the array next to the first disk drive as shown in FIGURE 9 2 This tab contains the array serial number and media access control MAC address The serial number is located on the top left portion of the pull out tab and begins with the part number 595 xxxx Record this information to transcribe it onto the new c
203. touching a ground surface Wear an antistatic wrist strip Do not remove a FRU from its antistatic protective bag until you are ready to install it When removing a FRU from the array immediately place it in an antistatic bag and packaging Handle a FRU only by its edges and avoid touching the circuitry Do not slide a FRU over any surface Limit body movement which builds up static electricity during FRU installation Chapter 1 Troubleshooting Overview 1 5 1 6 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 CHAPTER 2 Connecting to the Sun StorEdge T3 and T3 Array This chapter describes how to connect to the Sun StorEdge T3 and T3 array and contains the following sections m Section 2 1 Establishing a Serial Port Connection on page 2 1 m Section 2 2 Establishing a Telnet Session on page 2 3 a Section 2 3 Establishing an FTP Session on page 2 5 m Section 2 4 Using tftpboot to Boot a Single Array or a Partner Group Remotely on page 2 6 Section 2 5 Configuring a Server for Remote Booting on page 2 9 m Section 2 6 Setting Up Remote Logging on page 2 10 2 1 Establishing a Serial Port Connection The serial port is a direct connection to the array from any serial port on any host or system Individual commands can be run to query and repair the unit from this interface using the command line interface CLI The serial port connection provides the fol
204. tus of 3 is displayed This status implies the array is ready for operation TABLE 3 2 lists other firmware status codes that can be reported through the serial port console during a array boot cycle TABLE 3 2 Firmware Status Indicators Status Definition 0 ISP is waiting for configuration process to complete 1 ISP is waiting for ALPA assignment ISP is waiting for port login ISP is ready and optimal ISP has lost loop synchronization ISP has experienced an unrecoverable error Reserved N FD GO A Q N ISP is not participating on the loop Once the array has fully booted all the commands available through the CLI are accessible Note If you make configuration changes at the EPROM prompt they can be overwritten when the array boots completely Check the array settings after the array has booted to ensure that they are correct A message such as the following might appear after you log in 6 1 device not mounted It is possible that the serial cable is connected to the alternate master unit instead of the master unit To determine if this is true enter fru myuid fru myuid ul If you are connected the master u1 is returned If you are connected to the alternate u2 is returned If you are connected the alternate stop the tip session reconnect the serial cable to the master unit and start the session again Chapter 3 Diagnosing Problems 3 13 3 7 Telnet Connection Status Checks
205. uidelines can cause overheating and affect the reliability of your Sun product Caution The workplace dependent noise level defined in DIN 45 635 Part 1000 must be 70Db A or less SELV Compliance Safety status of I O connections comply to SELV requirements Power Cord Connection Caution Sun products are designed to work with single phase power systems having a grounded neutral conductor To reduce the risk of electric shock do not plug Sun products into any other type of power system Contact your facilities manager or a qualified electrician if you are not sure what type of power is supplied to your building Caution Not all power cords have the same current ratings Household extension cords do not have overload protection and are not meant for use with computer systems Do not use household extension cords with your Sun product Caution Your Sun product is shipped with a grounding type three wire power cord To reduce the risk of electric shock always plug the cord into a grounded power outlet The following caution applies only to devices with a Standby power switch function as standby type devices only The power cords serve as the primary disconnect device for the system ALL power cords must be disconnected to remove power from the product Be sure to plug the power cords into a grounded power outlet that is nearby the system and is readily accessible A Caution
206. ul ctr u2 ctr Default master is ul Default alternate master is u2 Alternate aster is not active boot up as Master Starting Heartbeats Assigning Select IDs ul 1 u2 2 Initializing system drivers Initializing XPT component Initializing QLCF component Initializing loop 1 ISP2100 firmware status 3 Detected 19 FC AL ports on loop 1 Initializing loop 2 ISP2100 firmware status 3 Detected 19 FC AL ports on loop 2 Initializing QLCS component Initializing SVD services Cold Boot detected initializing cache memory Cache Mem Addr Toggle Test begin Cache Mem Addr Toggle Test complete Passed 256 MBytes Cache Memory Detected Testing CPU DRAM Passed Testing ISP2100 Passed Testing Cache memory Passed Testing XOR Memory Passed Initializing system DB structure Initializing configuration Initializing port configuration Initializing loop 2 to accept SCSI commands Mounting root volume Checking local file system Initializing network routes Starting Syslog Daemon Waiting for 1 slave controller s to come up ul Configuring local data u2 Initializing drives u2 Configuring local data u2 Waiting for configuration data from master System has 2 active controller s Initializing TFTP Starting ftpd tarting telnetd tarting timed tarting pshd tarting httpd tarting snmpd tarting schd
207. used unless all other avenues to fix the problem have been exhausted An indication of corrupted labels are messages similar to Checking local file system Local volume can not be fixed Verify volume fails on uldl error code 0X2202 The File System in uldl is BAD Chapter 5 Disks and Drives 5 15 5 16 Note Prior to doing this procedure ensure all data that is salvageable is backed up Backup customer data if you are able to access the LUNs from the host Delete and restore the files in the Sun StorEdge T3 and T3 array s local etc web and webgui directories so the array works correctly with Component Manager To recover from corrupted labels do the following Configure the t ftpboot server so the Sun StorEdge T3 and T3 array can be tftp booted See Section 2 5 Configuring a Server for Remote Booting on page 2 9 Establish a serial port connection to the array See Section 2 1 Establishing a Serial Port Connection on page 2 1 Ensure that the tftpfile and tftphost values are properly set set tftphost host_IP_address set tftpfile nbxxx bin Where host_IP_address is the IP address of the host and where nbxxx bin is the current boot code file identification number For example nb101 bin Verify that the tftpfile is readable from the tftpboot directory of the tftphost ls tftpboot nb101 bin Sun StorEdge T3 and T3 Array Field Serv
208. wer supply and cooling unit 2 F375 0085 Interconnect card assembly 3 F370 3990 Empty chassis backplane assembly 4 F375 0084 T3 controller card shown 4 F501 5710 T3 controller card F370 3956 Battery pack NIMH A 6 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 A 6 Controller Card FIGURE A 6 Controller Card TABLEA 5 Controller Card Item Part Number Description 1 F375 0084 T3 controller card 2 F501 5710 T3 controller card 3 F375 0085 Interconnect card assembly 4 F370 3990 Empty chassis backplane assembly 5 F300 1454 Power supply and cooling unit Appendix A Illustrated Parts Breakdown A 7 A 7 Drive Assembly FIGURE A 7 Drive Assembly TABLE A 6 Drive Assembly Item Part Number Description 1 F540 4287 Drive assembly 18 GB 2 F540 4367 Drive assembly 36 GB 3 F370 3990 Empty chassis backplane assembly A 8 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 A 8 Cable and Interconnect Assemblies FIGURE A 8 Cables and Interconnects Appendix A Illustrated Parts Breakdown A 9 A 10 TABLE A 7 Cable and Interconnect Assemblies Item Part Number 1 F530 2842 2 F530 2843 3 F180 1918 4 F537 1034 5 1 6 F537 1020 7 F370 3989 Description Interconnect cable short Interconnect cable long Locking power cord Fiber optic cable Sun StorEdge T3 array LC SFF to SC Shielded Ethernet cable category 5 Fiber optic cable Sun StorEdge T3 array
209. wo copies of the second level code The second level code initializes memory and loads itself to RAM locations starting from 0x500000 m The second level code can allow tftp boot or ROM boot for the third level code In ROM boot the second level code selects one of the two copies of the third level RAID application code The second level code loads the RAID application code to RAM locations from 0x20000 m The third level is the RAID application First Level Boot Code The level 1 boot code starts at OxFFF00100 which is the processor s reset vector The first level code initializes the MPC107 bridge chip and the console serial port It prints T3B when the initialization is done Then it waits about 1 5 seconds to allow the user to select one of the two copies of level 2 code to boot The user can type 1 or 2 but there is no echo for the character typed If the user makes no selection level 2 code does the selection automatically In the automatic selection the level 1 code verifies the level 2 boot code stored in ROM It finds which one is newer and jumps to the selected code If the user has entered the selection before automatic selection level 1 code jumps to the one the user has selected after verifying the code is valid If the user selects an invalid copy then level 1 code jumps to the valid one instead of the user selected one After the level 1 code has decided which copy of level 2 code to use it prints 1 or 2 to notify th
210. y mngt_host telnet array name Trying 129 150 47 101 Connected to 129 150 47 101 Escape character is psoSystem 129 150 47 101 Log in to the array by typing root and the supervisor password at the prompts On the array type lt 34 gt vol recon volume name from standby Start a second Telnet session with the array to check rebuild progress Check the rebuild progress Use the information in the PERCENT column and the TIME column which shows the elapsed time for estimating when the volume will complete reconstruction lt 35 gt proc list VOLUME CMD_REF PERCENT TIME COMMAND vi 20241 23 0 09 vol recon Note If all power is removed from the array while the drive is being reconstructed the reconstruction process restarts at the beginning when power is restored Chapter 5 Disks and Drives 5 11 6 Check the drive status to ensure that the reconstruction of the replaced drive FRU has completed lt 43 gt fru stat CTLR STATUS STATE ROLE PARTNER TEMP ulctr ready enabled master u2ctr 34 5 u2ctr ready enabled alt master ulctr 393 5 DISK STATUS STATE ROLE PORT1 PORT2 TEMP VOLUME uldl ready enabled data disk ready ready 33 vO uld2 ready enabled data disk ready ready 30 vO uld3 ready enabled data disk ready ready 29 vO
211. y 1 XX Sun StorEdge T3 and T3 Array Field Service Manual September 2001 GURE 2 1 GURE 3 1 GURE 3 2 GURE 3 3 GURE 3 4 GURE 3 5 GURE 4 1 GURE 4 2 GURE 4 3 GURE 5 1 GURE 5 2 GURE 5 3 GURE 5 4 GURE 5 5 GURE 6 1 GURE 6 2 GURE 7 1 GURE 7 2 GURE 7 3 GURE 7 4 Figures Serial Port Location 2 2 Data Connection Troubleshooting Flow Chart 3 4 Ethernet Troubleshooting Flow Chart 3 5 Procedure A 3 6 MAC Address on the Pull Out Tab 3 20 Power Switch Locations 3 22 Sun StorEdge T3 Array Controller Card LEDs 4 2 Sun StorEdge T3 Array Controller Card LEDs 4 3 Removing the Controller Card 4 4 Disk Drive LEDs Viewed Through Front Cover 5 6 Removing the Front Panel 5 8 Disk Drive Numbering 5 8 Releasing the Latch Handle 5 9 Removing a Disk Drive 5 10 Interconnect Card LEDs 6 2 Removing the Interconnect Card 6 4 Power Cords Connected to the Power and Cooling Units 7 2 Power and Cooling Unit LEDs 7 3 Removing the Power and Cooling Unit 7 5 Turning the PCU upside down 7 10 xxi FIGURE 7 5 FIGURE 7 6 FIGURE 7 7 FIGURE 7 8 FIGURE 8 1 FIGURE 9 1 FIGURE 9 2 FIGURE 9 3 FIGURE 9 4 FIGURE 10 1 FIGURE 10 2 FIGURE 10 3 FIGURE 10 4 FIGURE A 1 FIGURE A 2 FIGURE A 3 FIGURE A 4 FIGURE A 5 FIGURE A 6 FIGURE A 7 FIGURE A 8 Removing the Screws from the PCU Bottom Panel 7 11 Lifting the PCU Bottom Panel and Battery Slightly Away

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