SUMMARY: help w/ HSG80 and snap luns

From: Mike Broderick <broderic_at_MIT.EDU>
Date: Mon, 12 Jan 2004 15:28:45 -0500

Thanks to Raul Sossa, for sugesting that I failed to set the access
permission on the LUN (set unit enable_access_path) after recreating the
LUN. Thanks to the others who suggested other things.

I'm still hoping for a workaround to allow a snapshot unit that is
smaller than the unit being shapshotted.

                                                   _Mike


Mike Broderick wrote:

>
> I'm trying to set up snapshots on an HSG80 (first time) for use during
> backups. I added the snapshot (add snap d2 s1 d1 use_parent_wwid)
> creating the second LUN which I can see from the HSZ command line. But
> I cannot see the snapshot LUN from the O/S (5.1a), even after a bus
> scan. How do I access the snashot LUN? Did I miss something?
>
>
> Also, it wouldn't let me create a snapshot LUN smaller than the original
> LUN. Is there any way around this? The snapshot will be added/deleted
> only before/after a brief (4 hr) backup window when we anticipate
> minimal writes so we don't want to have to have double the disk space (a
> 500GB LUN) just for this.
>
> _Mike
>
>
>
Received on Mon Jan 12 2004 - 20:31:37 NZDT

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