SL500/LTO - SCSI Warning - Mode Parameters Changed, Netbackup S/W Changed Tape Drive Status to Down

Asset ID:	1-72-1636250.1
Update Date:	2017-06-14
Keywords:

Solution Type Problem Resolution Sure

Solution 1636250.1 : SL500/LTO - SCSI Warning - Mode Parameters Changed, Netbackup S/W Changed Tape Drive Status to Down

Applies to:

LTO Tape Drive - Version All Versions to All Versions [Release All Releases]
Veritas NetBackup (NBU) Software - Version 6.5 to 6.5 [Release 6.5]
Sun StorageTek SL500 Modular Library System - Version All Versions to All Versions [Release All Releases]
Oracle Solaris on SPARC (64-bit)
Information in this document applies to any platform.

Symptoms

Netbackup S/W change tape drive status to down:

1) Error 1:

Feb 20 16:31:04 cisb-op01 ltid[24496]: [ID 558106 daemon.error] Operator/EMM server has DOWN'ed drive HP.ULTRIUM4-SCSI.005 (device 1)
Feb 20 17:59:06 cisb-op01 ltid[24496]: [ID 437035 daemon.error] Operator/EMM server has DOWN'ed drive HP.ULTRIUM4-SCSI.004 (device 0)
Feb 20 18:08:13 cisb-op01 ltid[24496]: [ID 558106 daemon.error] Operator/EMM server has DOWN'ed drive HP.ULTRIUM4-SCSI.005 (device 1)
Feb 20 18:12:17 cisb-op01 ltid[24496]: [ID 558106 daemon.error] Operator/EMM server has DOWN'ed drive HP.ULTRIUM4-SCSI.005 (device 1)
Feb 20 22:15:24 cisb-op01 ltid[24496]: [ID 437035 daemon.error] Operator/EMM server has DOWN'ed drive HP.ULTRIUM4-SCSI.004 (device 0)
Feb 21 01:14:59 cisb-op01 ltid[24496]: [ID 558106 daemon.error] Operator/EMM server has DOWN'ed drive HP.ULTRIUM4-SCSI.005 (device 1)
Feb 24 01:14:52 cisb-op01 ltid[24496]: [ID 558106 daemon.error] Operator/EMM server has DOWN'ed drive HP.ULTRIUM4-SCSI.005 (device 1)
Feb 24 04:11:51 cisb-op01 ltid[24496]: [ID 437035 daemon.error] Operator/EMM server has DOWN'ed drive HP.ULTRIUM4-SCSI.004 (device 0)
Feb 25 10:15:07 cisb-op01 ltid[24496]: [ID 558106 daemon.error] Operator/EMM server has DOWN'ed drive HP.ULTRIUM4-SCSI.005 (device 1)
Feb 25 12:15:45 cisb-op01 ltid[24496]: [ID 437035 daemon.error] Operator/EMM server has DOWN'ed drive HP.ULTRIUM4-SCSI.004 (device 0)

2) Error 2:

Tue Jan 28 01:01:23 KST 2014 FREEZING media id HM2245, it is write protected and cannot be used for backups
Tue Jan 28 11:01:16 KST 2014 FREEZING media id HM1278, it is write protected and cannot be used for backups
Fri Jan 31 18:01:32 KST 2014 FREEZING media id HM2331, it is write protected and cannot be used for backups
Sat Feb 01 18:02:10 KST 2014 FREEZING media id HM2322, it is write protected and cannot be used for backups
Sat Feb 01 18:03:52 KST 2014 FREEZING media id HM2325, it is write protected and cannot be used for backups
Sat Feb 01 21:01:26 KST 2014 FREEZING media id HM1270, it is write protected and cannot be used for backups
Sun Feb 02 21:02:05 KST 2014 FREEZING media id HM2339, it is write protected and cannot be used for backups

Solaris warning messages:

Mar 9 10:01:47 cisb-op01 scsi: [ID 107833 kern.warning] WARNING: /pci@3,700000/pci@0/pci@1/pci@0/pci@9/SUNW,emlxs@0,1/fp@0,0/st@w500104f0009df232,0 (st6):
Mar 9 10:01:47 cisb-op01 Error for Command: read Error Level: Fatal
Mar 9 10:01:47 cisb-op01 scsi: [ID 107833 kern.notice] Requested Block: 0 Error Block: 0
Mar 9 10:01:47 cisb-op01 scsi: [ID 107833 kern.notice] Vendor: HP Serial Number:
Mar 9 10:01:47 cisb-op01 scsi: [ID 107833 kern.notice] Sense Key: Unit_Attention
Mar 9 10:01:47 cisb-op01 scsi: [ID 107833 kern.notice] ASC: 0x2a (mode parameters changed), ASCQ: 0x1, FRU: 0x0

Changes

SL500- Added Drive

NetBackup - Added Drive

Cause

NBU Master server Drive configuration:

        SL500 Drive / OS Device / NBU Drive Number
        ------------------------------------------
        Drive Bay[1]/rmt1 -> HP.ULTRIUM4-SCSI.000 - DRIVE=1
        Drive Bay[2]/rmt3 -> HP.ULTRIUM4-SCSI.001 - DRIVE=2
        Drive Bay[3]/rmt2 -> HP.ULTRIUM4-SCSI.002 - DRIVE=3
        Drive Bay[4]/rmt5 -> HP.ULTRIUM4-SCSI.003 - DRIVE=4
        Drive Bay[5]/rmt4 -> HP.ULTRIUM4-SCSI.005 - DRIVE=5 <======
        Drive Bay[6]/rmt6 -> HP.ULTRIUM4-SCSI.004 - DRIVE=6 <======

Media server Drive configuration:

        SL500 Drive / OS Device / NBU Drive Number
        ------------------------------------------
        Drive Bay[1]/rmt0 -> HP.ULTRIUM4-SCSI.000 - DRIVE=1
        Drive Bay[2]/rmt1 -> HP.ULTRIUM4-SCSI.001 - DRIVE=2
        Drive Bay[3]/rmt2 -> HP.ULTRIUM4-SCSI.002 - DRIVE=3
        Drive Bay[4]/rmt5 -> HP.ULTRIUM4-SCSI.003 - DRIVE=4
        Drive Bay[5]/rmt3 -> HP.ULTRIUM4-SCSI.004 - DRIVE=6 <======
        Drive Bay[6]/rmt4 -> HP.ULTRIUM4-SCSI.005 - DRIVE=5 <======

http://www.symantec.com/business/support/index?page=content&id=DOC3659

* In a Shared Storage Option configuration, a shared drive must have the same logical name (drive name) on all of the NetBackup media servers.

Solution

Re-build drives' number in NetBackup S/W in SSO environment.

References

<NOTE:1363076.1> - Tape - Multiple Drives Showing Status of Not functional

Attachments

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