ADSM-L

Steps for restore db Was: expire & reclaim

2000-09-08 17:47:48
Subject: Steps for restore db Was: expire & reclaim
From: Krish Vijayaraghavan <vkadsm AT YAHOO DOT COM>
Date: Fri, 8 Sep 2000 14:47:57 -0700
I need to restore last month's backup of our *SM database temporarily
to retrieve some expired files. Then I will come back to the latest
version of the database. IBM ADSM support has asked me to perform the
following steps. Could you expand/modify this list based on your
experiences? I want to tread carefully through this minefield.

1.  backup volhist
2.  backup devconfig
3.  backup existing db
4.  halt server
5.  dsmserv format
6.  dsmserv restore db (old copy)
7.  start server
8.  checkin volumes
9.  retrieve data
10. halt server
11. dsmserv format
12. dsmserv restore db (latest)

Where can I get information on this in addition to that given in the
AIX Admin Reference?

I am running ADSM ver. 3.1.1.0 on AIX 4.2.1 (server & client)
Thanks,
Krish
--------------------
Krish Vijayaraghavan
Krish Vijayaraghavan


--- Richard Sims <rbs AT BU DOT EDU> wrote:
>
>
> Krish - If the files are gone from the *SM database, they are
>         irretrievable without restoring that database.
> Query Content is one way of verifying what logically remains
> on the volume.  The ("Full") volume may not have been physically
> reused yet, but the expired data on it is no longer accessible.
> If you had a copy of the files on tapes belonging to another
> storage pool, that would be a means of getting the data back
> without restoring your *SM database.
>    Richard

>--- Krish Vijayaraghavan <vkadsm AT yahoo DOT com> wrote:
>
>ADSM has expired some files that I need to restore.
>query volume indicates that a volume that used to have
>'full' status and 95 %util now has 0 %util and 'full' status.
>1) Does a lower %util but with 'full' status imply
>that the space has not been reclaimed from that tape yet?
>2) Is there any other way of checking if space has
>been reclaimed? (for example, would it show up in the actlog)
>3) If I restored the database to a point before the
>expiration, would that help me to restore the files if
>space hasn't been reclaimed yet?

> I am running ADSM ver. 3.1.1.0 on AIX 4.2.1 (server & client)
> Krish


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