Backup Problem

From: Amit Vats (amit.vats@in.iqara.net)
Date: Fri May 19 2006 - 10:42:53 EDT


Hi All

I am facing problem in backup , when I am taking the Backup through Veritas
Netbackup 5.0 , on Quantum Library M1500 with both drives one of the drive
goes down by in netbackup after starting the backup with error "media write
error" , and if I take the backup with single drive all the backup complete
. I had changed the slots too, single drive backup is happening but not
able to take backup with both of the drives.
If I take the backup through tar in Solris 9 , it gives the error in message
file

May 01 01:06:52 sunbkp scsi: [ID 107833 kern.notice] ASC: 0x1b
(synchronous data xfer error), ASCQ: 0x0, FRU: 0x0
May 01 01:16:32 sunbkp scsi: [ID 107833 kern.notice] ASC: 0x1b
(synchronous data xfer error), ASCQ: 0x0, FRU: 0x0

iostat -En gives the status :-
rmt/0 Soft Errors: 0 Hard Errors: 40 Transport Errors: 50
Vendor: QUANTUM Product: SuperDLT1 Revision: 4646 Serial No: !F
rmt/1 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: QUANTUM Product: SuperDLT1 Revision: 4646 Serial No: !F

and these hard error and transport error increases as I give devfsadm .
I had changed the drives,SCSI card, all scsi cables.

Hope some body will give valuable suggestion to solve this problem.

Thanx & Regds
Amit Vats
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