Veritas-bu

[Veritas-bu] SCSI reserves on SSO windows drives

2010-05-25 09:30:37
Subject: [Veritas-bu] SCSI reserves on SSO windows drives
From: <michael.ketley AT orange-ftgroup DOT com>
To: <VERITAS-BU AT mailman.eng.auburn DOT edu>
Date: Tue, 25 May 2010 14:30:25 +0100
Not sure if anyone can help it, but i have a most annoying problem with SSO windows drives and reservation conflicts.
 
I have 8 IBM Ultrium 2 drives that are shared between 10 windows media servers (2000+2003). Backups can work fine for a few days and then 'RESERVATION CONFLICTS' appear. Occassionally vmoprcmd -crawlreleasebyname will release the reserve but more often than not a trip to the datacentres and a physical reset of drive is the only recourse to break the reserve.
 
Drives are all same firmware revision and tape drivers are all IBM 6.1.3.5. Netbackup 5.1 MP6, it's legacy but no current path to upgrade so i'm stuck for a while.
 
Does anyone know where i should be looking to identifying what's placing this reservation, it's not Netbackup i don't think? Or is there anything i can do to reduce the reserves?
 
Regards
Mike
 
 
 
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