Veritas-bu

[Veritas-bu] Strange errors in netapp messages log after upgrade of nbu from 5.1 to 60MP2 -- diag gear

2006-05-15 14:07:08
Subject: [Veritas-bu] Strange errors in netapp messages log after upgrade of nbu from 5.1 to 60MP2 -- diag gear
From: gdrew AT deathstar DOT org (George Drew)
Date: Mon, 15 May 2006 14:07:08 -0400 (EDT)
Len,

This message means that you have some device in the path to your
tape drive that isn't happy with 16-byte CDBs (some scsi-3 commands).
This one in particular is the scsi-3 "WRITE ATTRIBUTE" command.

(Reference: http://t10.org/ftp/t10/drafts/spc4/spc4r04.pdf)

George

On Sat, 13 May 2006, Len Boyle wrote:

> Good Day,
>
> We upgraded a netbackup master running on solaris 9 from 5.1mp3 to 60MP2. 
> This master runs ndmp backups on 6 R200's with fibre direct attached IBM 
> LTO-2 tape drives. After the netbackup upgrade, with no changes with the tape 
> drives, tape library or netapps we started to see the following messages in 
> the /etc/messages file on the netapp. We are being told by netapp and 
> symantec that this is a problem with scsi commands, but they report that they 
> can not tell us what the offending scsi commands are, unless we hook up a 
> sniffer.
> So my question to this group, is Any hints on what one should  use to act as 
> a sniffer for this scsi connection?
>
> That is what company makes good sniffers, and what are the different features 
>  one should look for?
>
> Thanks for any info you guys can throw this way.
>
> Fri May 12 07:54:31 EDT [scsi.cmd.contingentAllegiance:error]: Device 3a.51: 
> Contingent allegiance: cdb 0x8d.
> Fri May 12 08:00:01 EDT [kern.uptime.filer:info]:   8:00am up 57 days, 18:59 
> 427592 NFS ops, 3947850238 CIFS ops, 9 HTTP ops, 0 DAFS ops, 0 FCP
> ops, 0 iSCSI ops
> Fri May 12 08:03:16 EDT [scsi.cmd.contingentAllegiance:error]: Device 3b.52: 
> Contingent allegiance: cdb 0x8d.
>
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