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I/O Error while backup in HP Ultrium 230 drive

Sandy_hp
Occasional Advisor

I/O Error while backup in HP Ultrium 230 drive

Hi Friends,

I have been facing a problem while doing backup through Hp Storage works Ultrium 230 connected to L class HP 9000 server.

When I try to do backup (through database backup or fbackup),the backup gets terminated and gives a I/O error in the logs.
I also tried changing the SCSI Cable to the drive.still the error comes.

From the dmesg output and syslog output ,using the Key Code Qualifier table I found that it was

6 29 00 (i.e)
Unit Attention - POR or device reset occurred.

####The Dmesg and Syslog output are as below.
Please suggest me what could be problem..and troubleshooting that can be done to find out the exact problem.

DMESG OUTPUT:

SCSI: bp: 00000000483d1800
dev: cd003000
cdb: 00 00 00 00 00 00
status: (02) Check Condition
sense data: 70 00 06 00 00 00 00 0e 00 00 00 00 29 00 00 00
2c 6f 00 00 00 00
sense key: (06) Unit Attention
additional sense code: (29)
additional sense code qualifier: (00)
SCSI: Reset detected -- lbolt: 9512526, bus: 0
lbp->state: 6060
lbp->offset: ffffffff
lbp->uPhysScript: f87be000
From most recent interrupt:
ISTAT: 02, SIST0: 02, SIST1: 00, DSTAT: 80, DSPS: 0000000f
lsp: 0000000000000000
lbp->owner: 0000000000000000
scratch_lsp: 0000000000000000
Pre-DSP script dump [fffffffff87be008]:
f87be5c0 80880000 000000e4 80000000
00000000 c0000004 00000000 00000000
Script dump [fffffffff87be028]:
41000000 f87be290 980dff00 0000000a
78350000 00000000 0e000000 f87be580

SCSI: bp: 00000000483da400
dev: cd0030c0
cdb: 00 00 00 00 00 00
status: (02) Check Condition
sense data: 70 00 06 00 00 00 00 0e 00 00 00 00 29 00 00 00
2c 6f 00 00 00 00
sense key: (06) Unit Attention
additional sense code: (29)
additional sense code qualifier: (00)
0/0/1/0.3 tgt
0/0/1/0.3.0 stape


###and syslog output is:

Mar 24 11:50:28 mars vmunix: SCSI: Reset detected -- lbolt: 9512526, bus: 0
Mar 24 11:50:28 mars vmunix: lbp->state: 6060
Mar 24 11:50:28 mars vmunix: lbp->offset: ffffffff
Mar 24 11:50:28 mars vmunix: lbp->uPhysScript: f87be000
Mar 24 11:50:28 mars vmunix: From most recent interrupt:
Mar 24 11:50:28 mars vmunix: ISTAT: 02, SIST0: 02, SIST1: 00, DSTAT:
80, DSPS: 0000000f
Mar 24 11:50:28 mars vmunix: lsp: 0000000000000000
Mar 24 11:50:28 mars vmunix: lbp->owner: 0000000000000000
Mar 24 11:50:28 mars vmunix: scratch_lsp: 0000000000000000
Mar 24 11:50:28 mars vmunix: Pre-DSP script dump [fffffffff87be008]:
Mar 24 11:50:28 mars vmunix: f87be5c0 80880000 000000e4 80000000
Mar 24 11:50:28 mars vmunix: 00000000 c0000004 00000000 00000000
Mar 24 11:50:28 mars vmunix: Script dump [fffffffff87be028]:
Mar 24 11:50:28 mars vmunix: 41000000 f87be290 980dff00 0000000a
Mar 24 11:50:28 mars vmunix: 78350000 00000000 0e000000 f87be580
Mar 24 11:50:33 mars vmunix:
Mar 24 11:50:33 mars vmunix: SCSI: bp: 00000000483da400
Mar 24 11:50:33 mars vmunix: dev: cd0030c0
Mar 24 11:50:33 mars vmunix: cdb: 00 00 00 00 00 00
Mar 24 11:50:33 mars vmunix: status: (02) Check Condition
Mar 24 11:50:33 mars vmunix: sense data: 70 00 06 00 00 00 00 0e 00 00 00 00
29 00 00 00
Mar 24 11:50:33 mars vmunix: 2c 6f 00 00 00 00
Mar 24 11:50:33 mars vmunix: sense key: (06) Unit Attention
Mar 24 11:50:33 mars vmunix: additional sense code: (29)
Mar 24 11:50:33 mars vmunix: additional sense code qualifier: (00)
Mar 24 11:50:49 mars vmunix: 0/0/1/0.3 tgt
Mar 24 11:50:52 mars vmunix: 0/0/1/0.3.0 stape


Thanks

Sandy_hp.