SUMMARY: Ultra2 w/ Clariion array

From: Luong Duong <>
Date: Fri May 11 2001 - 14:54:47 EDT
Thank you to Ronald Loftin,, and Jeff Pitts for

I editted the sd.conf file and voila, problem solve.

Ronald Lofton's reponse:
ou will need to modify /kernel/drv/sd.conf to allow the disk driver to see
devices with LUN numbers other than 0.  Here's an example:

name="sd" class="scsi"
        target=0 lun=0;

name="sd" class="scsi"
        target=0 lun=1;

name="sd" class="scsi"
        target=0 lun=2;

name="sd" class="scsi"
        target=0 lun=3;

After you add entries to your sd.conf as appropriate for your site and
reboot, in the "format" command, you should see additional devices appear as
you expect.'s response:
I do not know the Clariion, but I have played with EMC Symmetrix and Amdahl
LVS. In both case the disks are seen as many LUNS  on the same SCSI target
(even connected by fiber).
sometimes on Solaris you need to customize sd.conf, adding more targets and
more Luns.

Jeff Pitts's response:
You should see the three LUN's as a cxtxdx device using the format utility
after the dassmgr shows them as enabled.  You shouldnt have to change the
partitions, but it may be necessary to label them again.  If you are using
Veritas you will need to reboot, or execute the command to force the
discovery of the new something like vxvolctl stop, then start,
but Im not sure.  Rebooting will work as well.

Luong Duong wrote:

> Hi,
> I have a Clariion array 1000 (10 disks) attach to an ultra 2. I have very
> limited documentation for this array. With the limited documentation, I think
> I've (or at least I'm trying to) divided the array into 3 logical disks. But
> when I run the format utility, my ultra 2 only see it as one big logical disk.
> Can anyone help me out? TIA. Will summarize.
> FYI, it's not been fun trying to get EMC to give me documnetation.
> Luong
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Received on Fri May 11 19:54:47 2001

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