ADSM-L

Re: Recovery Log problems

1999-09-02 05:50:31
Subject: Re: Recovery Log problems
From: malkit <malkit AT UDI.CO DOT IL>
Date: Thu, 2 Sep 1999 11:50:31 +0200
No, its not.

Malkit

arhoads wrote:

> 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

--
Regards
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