Malkit,

Question: were the mirrored log volumes both in the same volume group?

Steffan

malkit wrote:
>
> Hello,
>
> I would like to discuss the following with you:
>
> I recommended my customers to work with rollforward. Some of them even
> have mirroring for their recovery log. The reason was - data integrity.
>
> We usually fail to restore the DB to its most current state. The main
> problem we encounter is that whenever we have a failure on ADSM DB -
> usually hardware problem it effects the recovery log as well, and we
> must run point in time backup.
>
> Yesterday, one of our customer had a crash on one of the recovery log
> disks. The recovery log was mirrored to another disk, but ADSM didn't
> switch to the alternate volume.Both of the volume switched to offline
> and ADSM crashed. Running 'dsmserv display logvol' we got a message that
> these volumes are offline. We couldn't load ADSM back - we try extend
> log, restore DB - which failed as well. Finally we run 'dsmserv format
> ....' and only then we were able to restore the DB.
>
> I would like to ask you if any of you work SUCCESSFULLY with
> rollforward. What is your experience with ADSM DB and RLOG.
>
> --
> Regards
>
> Malkit Hayun , UDI
> Storage Products Manager
> IBM Certified Specialist-ADSM
> Office: 972-3-9233440
> Fax:    972-3-9233441
> Mobile: 972-52-834575
> Email: malkit AT udi.co DOT il