Networker

Re: [Networker] SCSI reset with DDS backup

2003-04-22 12:47:02
Subject: Re: [Networker] SCSI reset with DDS backup
From: Terry Lemons <lemons_terry AT EMC DOT COM>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Tue, 22 Apr 2003 10:59:51 -0400
Hi Matt

Do you have Windows cluster systems on the same SAN?  I'd heard it said
that, when a Windows cluster node boot, it sends SCSI bus resets on all of
its busses.

tl

-----Original Message-----
From: Matteo Scicolone [mailto:m.scicolone AT TERASYSTEM DOT IT]
Sent: Tuesday, April 22, 2003 10:12 AM
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Subject: [Networker] SCSI reset with DDS backup


Hi Networkers !

I've got a question for you all that use Networker in a SAN environment
with DDS. I have Networker 6.1.3 server and storage nodes on Solaris 8
machines. I use a STK silo with 20 9840 tape drives. Drives and hosts are
connected via Brocade switches and FC HBAs from Emulex (LP8000) and JNI.

Randomly, I receive SCSI reset errors on the various OS logs. This means
that my tape drives get frozen until you reset them manually. Of course
there is something strange not at the Networker level, but at the OS or HBA
level.

So I do not pretend that someone cam help me with that, but I just wanted
to know if someone experienced the same problem with Networker and DDS in a
SAN env. Where did you look to find a solution ? Did you modifiy some OS
parameter or other stuff like that ?

Thanks in advance for your help.

Regards,

Matt
ITALY

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