Sure, there are probably many Windows boxes on the SAN. I assumed that
the zoning did not allow a Windows reset to be seen by a tape drive zoned
on a Unix host. Wouldn't a reset be logged by Solaris?
Thanks for the JNI doc.
Robert Maiello
Pioneer Data Systems
On Sun, 14 Nov 2004 10:38:12 +0100, Faidherbe, Thierry
<thierry.faidherbe AT HP DOT COM> wrote:
>BTW, do you have any Windows server connected to the SAN
>who may send bus reset at boot time ? It's an issue I saw more than
>once and solved by some entries in the registry for FC-HBA.
>
>
>Did you also had a look at Bulletin 390 :
>How to Configure LUS with JNI HBA Drivers for Version 5.3
>http://portal2.legato.com/resources/bulletins/390.html
>
>HTH,
>
>TH
>
>Kind regards - Bien cordialement - Vriendelijke groeten,
>
>Thierry FAIDHERBE
>
>HP Services - Storage Division
>Tru64 Unix and Legato Enterprise Backup Solutions Consultant
>
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>
>-----Original Message-----
>From: Legato NetWorker discussion [mailto:NETWORKER AT LISTMAIL.TEMPLE DOT EDU]
>On Behalf Of Teresa Biehler
>Sent: Friday, November 12, 2004 8:37 PM
>To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
>Subject: Re: [Networker] SCSI bus resets rewind tape in SAN?
>
>You'll need to view details to see it. Also, I believe this was added
>in v7 or v7.1.
>
>-Teresa
>
>
>-----Original Message-----
>From: Legato NetWorker discussion [mailto:NETWORKER AT LISTMAIL.TEMPLE DOT EDU]
>On Behalf Of George Sinclair
>Sent: Friday, November 12, 2004 12:09 PM
>To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
>Subject: Re: [Networker] SCSI bus resets rewind tape in SAN?
>
>I don't see this option in our jukebox settings under the GUI. We're
>running 6.1.1 for Unix. Just curious if this option was added later? Any
>workarounds?
>
>Another thing here, though, and that is what happens if the tape is
>rewound -- maybe some kind of bus reset or other glitch -- but maybe not
>all the way and NetWorker doesn't know about it? Seems to me in that
>case the label would not be overwritten since it didn't go back that
>far, but perhaps other data on the tape could be overwritten the next
>time NetWorker writes to it if it's not aware that it was partially
>rewound? Anyone seen this happen?
>
>Couldn't one simply check the mountability off all tapes each week to
>ensure the overwriting of the label has not occurred?
>
>George
>
>Teresa Biehler wrote:
>>
>> To check for this, enable the "Verify label on unload" setting on the
>> jukebox definition. It won't prevent the problem from happening, but
>it
>> will write messages to /nsr/logs/messages when a tape label is
>> overwritten and cannot be read. The messages are something like:
>>
>> NetWorker media: (info) expected volume '000002' got 'NULL'
>>
>> Depending on your configuration, this is still possible in the latest
>> versions of Networker.
>>
>> -Teresa
>>
>> -----Original Message-----
>> From: Legato NetWorker discussion
>[mailto:NETWORKER AT LISTMAIL.TEMPLE DOT EDU]
>> On Behalf Of Terry Lemons
>> Sent: Friday, November 12, 2004 8:33 AM
>> To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
>> Subject: Re: [Networker] SCSI bus resets rewind tape in SAN?
>>
>> Hi Robert
>>
>> Oh, yes. I was burned by that one years ago. Later versions of
>> NetWorker,
>> I believe, correctly detect and handle this problem. Check out the
>> Release
>> Supplements. I don't know if a patch was very made to the V6.1 stream
>> for
>> this problem.
>>
>> tl
>>
>> -----Original Message-----
>> From: Legato NetWorker discussion
>[mailto:NETWORKER AT LISTMAIL.TEMPLE DOT EDU]
>> On
>> Behalf Of Robert Maiello
>> Sent: Friday, November 12, 2004 8:21 AM
>> To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
>> Subject: [Networker] SCSI bus resets rewind tape in SAN?
>>
>> Setup is Solaris 8, LTO1 drives connected via JNI HBAs, Networker
>> 6.1.3.
>>
>> Has anyone had a problem where a scsi bus reset rewound the drive
>> without
>> Networker's knowledge? Any logs or ways to trace this?
>>
>> Thanks for any info.
>>
>> Robert Maiello
>> Pioneer Data Systems
>>
>> --
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Note: To sign off this list, send a "signoff networker" command via email
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