Best thing to do is to use a SCSI/FC router that enables you to switch on
protection against SCSI bus resets.
Shaun Ellis
NetWorker Management & OpenVMS Product Manager
LEGATO Systems Inc
3210, Porter Drive
Palo Alto
Ca 94304
Phone: +1 (650) 842 9548
Mobile: +1 (408) 431 6997
-----Original Message-----
From: Matts Nilsson [mailto:matts_nilsson AT yahoo DOT com]
Sent: Tuesday, April 22, 2003 2:05 PM
To: Legato NetWorker discussion
Subject: Re: [Networker] SCSI reset with DDS backup
Terry is correct. When a Windows cluster boots or
fails a service from one node to the other, it will
send a SCSI bus reset on all SCSI adapters.
// Matts
--- Terry Lemons <lemons_terry AT EMC DOT COM> skrev: > 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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