Veritas-bu

Re: [Veritas-bu] New tape drives not appearing in /dev/rmt.

2007-12-11 18:49:03
Subject: Re: [Veritas-bu] New tape drives not appearing in /dev/rmt.
From: Peter Vines <psv2b AT virginia DOT edu>
To: "Peters, Devon C" <Peters.Devon AT con-way DOT com>
Date: Tue, 11 Dec 2007 18:34:35 -0500
Thanks for the thought, but my st.conf already has those entries.

name="st" class="scsi" target=0 lun=0;
name="st" class="scsi" target=0 lun=1;
name="st" class="scsi" target=0 lun=2;
name="st" class="scsi" target=0 lun=3;
name="st" class="scsi" target=0 lun=4;
name="st" class="scsi" target=1 lun=0;
name="st" class="scsi" target=1 lun=1;
name="st" class="scsi" target=1 lun=2;
name="st" class="scsi" target=1 lun=3;
name="st" class="scsi" target=1 lun=4;
...
continuing through target=15.


Peters, Devon C wrote:
> Peter,
> 
> I would guess that Sean is correct.  I don't believe the default st.conf 
> file for Solaris 10 includes support for tape drives that aren't lun 0.  
> From what you show below your tape drives all start after LUN 0 (1, 2, 
> 3, and 4).  I'd suggest changing your st.conf entries from this:
> 
> name="st" class="scsi" target=0 lun=0;
> name="st" class="scsi" target=1 lun=0;
> name="st" class="scsi" target=2 lun=0;
> name="st" class="scsi" target=3 lun=0;
> name="st" class="scsi" target=4 lun=0;
> name="st" class="scsi" target=5 lun=0;
> name="st" class="scsi" target=6 lun=0;
> 
> To something like this:
> 
> name="st" class="scsi" target=0 lun=0;
> name="st" class="scsi" target=0 lun=1;
> name="st" class="scsi" target=0 lun=2;
> name="st" class="scsi" target=0 lun=3;
> name="st" class="scsi" target=0 lun=4;
> name="st" class="scsi" target=1 lun=0;
> name="st" class="scsi" target=1 lun=1;
> name="st" class="scsi" target=1 lun=2;
> name="st" class="scsi" target=1 lun=3;
> name="st" class="scsi" target=1 lun=4;
> <etc...>
> 
> Then run devfsadm and see if they're there.  You may have to run 
> "update_drv st", or reload the st driver to pickup the changes.
> 
> -devon
> 
> -------------------------------------
> Date: Mon, 10 Dec 2007 19:14:10 -0500
> From: "Sean Mohr" <sean.mohr AT gmail DOT com>
> Subject: Re: [Veritas-bu] New tape drives not appearing in /dev/rmt.
> To: "Peter Vines" <psv2b AT virginia DOT edu>
> Cc: veritas-bu AT mailman.eng.auburn DOT edu
> Message-ID:
>         <5107ccec0712101614w6e4c62afm23b1149fd3742dfe AT mail.gmail DOT com>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> Did you make sure you have /kernel/st.conf and (lpfc.conf if emulex fiber
> attached) entries.
> 
> I'm not fully up on Solaris 10 at the moment but Solaris 10 does a lot a 
> new
> things automatically that solaris 8/9 does not.
> 
> Hope this helps
> 
> Sean Mohr
> New York Life
> Storage Management Team
> 
> 
> On Dec 10, 2007 6:39 PM, Peter Vines <psv2b AT virginia DOT edu> wrote:
> 
>  > I recently added connectivity to a Scalar i2000 with 4 LTO3 drives, to a
>  > Solaris 8 server.
>  > I removed all the entries in /dev/rmt, reconfigure booted, went through
>  > the sg install process, yet the server does not have entries in /dev/rmt
>  > for the new drives.  The server is connected to two tape libraries:
>  > 1-L700 with 6 9840 drives, 2-i2000 with 4 LTO3 drives.  The L700 drives
>  > continue to be present on the system and usable.
>  > I've also tried devfsadm, drvconfig, tapes, etc...
>  >
>  > Why don't the entries appear in /dev/rmt?
>  >
>  > I've done the same process on multiple Solaris 10 servers, connected to
>  > the same SAN and they all work fine.
>  >
>  > cfgadm -o show_FCP_dev -al
>  > c8                             fc-fabric    connected    configured
>  > unknown
>  > c8::500308c00189780a,0         med-changer  connected    configured
>  > unknown
>  > c8::500308c00189780a,1         tape         connected    configured
>  > unknown
>  > c8::500308c00189780a,2         tape         connected    configured
>  > unknown
>  > c9                             fc-fabric    connected    configured
>  > unknown
>  > c9::500308c00189780b,0         med-changer  connected    configured
>  > unknown
>  > c9::500308c00189780b,3         tape         connected    configured
>  > unknown
>  > c9::500308c00189780b,4         tape         connected    configured
>  > unknown
>  >
>  > sgscan
>  > /dev/sg/c0tw500308c00189780al0: Changer: "ADIC    Scalar i2000"
>  > /dev/sg/c0tw500308c00189780al1: Tape (???): "IBM     ULTRIUM-TD3"
>  > /dev/sg/c0tw500308c00189780al2: Tape (???): "IBM     ULTRIUM-TD3"
>  > /dev/sg/c0tw500308c00189780bl0: Changer: "ADIC    Scalar i2000"
>  > /dev/sg/c0tw500308c00189780bl3: Tape (???): "IBM     ULTRIUM-TD3"
>  > /dev/sg/c0tw500308c00189780bl4: Tape (???): "IBM     ULTRIUM-TD3"
>  > /dev/sg/c0tw500104f000438becl0: (/dev/rmt/2): "STK     9840"
>  > /dev/sg/c0tw500104f00043e256l0: (/dev/rmt/0): "STK     9840"
>  > /dev/sg/c0tw500104f00045cbb4l0: (/dev/rmt/1): "STK     9840"
>  > /dev/sg/c1tw500104f000438e6el0: (/dev/rmt/3): "STK     9840"
>  > /dev/sg/c1tw500104f000438f10l0: (/dev/rmt/4): "STK     9840"
>  > /dev/sg/c1tw500104f000480658l0: (/dev/rmt/5): "STK     9840"
>  >
>  >
>  >
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