Snapshot problem on an HSG80

From: Renaud, Andre (Andre.Renaud@hp.com)
Date: Sun Sep 15 2002 - 17:14:20 EDT

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I have an HSG80 SAN, running v8.6-8S. We are using the snapshot capability for backups, but are having intermittent problems with it. Sometimes when a snapshot is created of a unit, the snapshot is created in a "Disabled" state, i.e.:

HSG80> show d10
    LUN Uses Used by
------------------------------------------------------------------------------
  D10 BACKUP
        LUN ID: 6000-1FE1-000C-1BC0-0009-1240-1703-00DE
        IDENTIFIER = 10
        Snapshot of unit D0
        Snapshot is DISABLED
        Access:
                ALL
        State:
        Snapshot of unit D0
        Snapshot is DISABLED
        Access:
                ALL
        State:
          ONLINE to the other controller
          PREFERRED_PATH = OTHER_CONTROLLER
        Size: NOT YET KNOWN
        Geometry (C/H/S): NOT YET KNOWN

I can find no documentation on what "Snapshot is DISABLED" means, and there are no error messages shown on the console, or in FMU. This is attached to a Tru64 v5.1 box (although I don't think anything on the host has any effect).

Has anyone seen this problem before, or know what this error message means? Is there some other diagnostic information I could get?

Thanks,

--
Andre Renaud
Network and Systems Administration Specialist
HP New Zealand
Email: andre.renaud@hp.com

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