Veritas-bu

[Veritas-bu] SSO one media server cannot see drive. Advice

2005-04-27 12:18:58
Subject: [Veritas-bu] SSO one media server cannot see drive. Advice
From: dave.markham AT fjserv DOT net (Dave Markham)
Date: Wed, 27 Apr 2005 17:18:58 +0100
Does anyone know how to do an HBA reset then in Solaris? I have seen 
some C function to do but was wondering if there was some command.

Dave


Dave Markham wrote:

> I have 1 master and 2 media servers ( which are also Oracle database 
> nodes ) attached to an L700 with 5 tape drives.
>
> I have the shared storage option and the master server and 2 media 
> servers share 3 tape drives. The other 2 drives are only viable to the 
> master server.
>
> This is all on Solaris 9 and the drives are ultrium LTO2 drives.
>
> I had a cpl of problems with drive 1 the other day going down. There 
> was a dodgy tape and a label stuck. I had a Storedge tek guy out to 
> look at the drive and he reset it and it now seems fine.
>
> The only problem is 1 of the media servers now cannot see it when i do 
> a sgscan tape.
>
> The other media server and master server are fine seeing it. The 
> drives status is mixed on the gui but lets me change that to up on all 
> nodes.
>
> Running a vmdareq -h <master server> -display on the media server 
> having problems shows all devices viable by all hosts. I'm therefore 
> confused.
>
> This is all connected via a san switch and fibre. Does anyone know how 
> i can refresh things on the media server without having to reboot 
> anything?
>
> i have /kernel/drv/sg.conf set up correctly with the WWN for the fibre 
> channels but i dont have anything special set in st.conf and am not 
> sure if i need to. Everything has been working fine and still does as 
> backups for that media server just uses one of the other 2 drives.
>
> Any help would be great
>
> Thanks
> Dave
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