ADSM-L

Re: [ADSM-L] Novell/NSS Cluster backup problem

2009-06-01 09:26:32
Subject: Re: [ADSM-L] Novell/NSS Cluster backup problem
From: Michael Green <mishagreen AT GMAIL DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Mon, 1 Jun 2009 16:20:19 +0300
For the record, the problem was that /ListXattrNWmetadata NSS atribute
wasn't enabled on both nodes of the cluster. For this reason one node
sent data with permissions set that was different from the permissions
on the other node.

--
Warm regards,
Michael Green



On Tue, May 26, 2009 at 9:38 AM, Michael Green <mishagreen AT gmail DOT com> 
wrote:
> Environment:
>
> TSM 5.5.2
> 2 x Novell OES 10.2 ( based on SLES 10) servers: WIS-HB32 and WIS-HB31
> Novell Cluster Services 1.8.4
> One NSS-formatted volume /media/nss/D31 is SAN-attached to both
> servers, but  mounted on WIS-HB31 only.
> When WIS-HB31 goes down Novell cluster is capable of migrating and
> mounting this volume on WIS-HB32.
>
> I've installed and configured the BA client v5.5.2 as described in
> Appendix B of "BA Client Installation and User's Linux Guide 5.5"
> which talks about configuring BA client in a cluster environment. Both
> clients are configured with the same NODENAME WIS-HB and share dsm.opt
> file that reside on the shared NSS volume in
> /media/nss/D31/tsm/dsm.opt along with the password file.
>
> The problem:
>
> Initial backup of the NSS volume executed as NODENAME WIS-HB on
> WIS-HB31 works fine and backup of all new data is performed.
> Subsequent incremental backup run on WIS-HB31 also works as expected
> (backing up only tiny amount of changes). However, after the same NSS
> volume is migrated to WIS-HB32, the incremental backup executed as
> NODENAME WIS-HB from WIS-HB32 sends all of the data to the server like
> if it was new data that was never backed up before.
>
> Anyone has any experience with such setup and/or have any idea why
> incremental of the same filespace from the second node, under same
> NODENAME behaves like selected backup?
> --
> Warm regards,
> Michael Green
>

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