ADSM-L

Re: Restoring a 3.7.3 database to a 4.1.2 server

2001-01-15 10:22:34
Subject: Re: Restoring a 3.7.3 database to a 4.1.2 server
From: John O'Neall <jon AT IN2P3 DOT FR>
Date: Mon, 15 Jan 2001 16:25:36 +0100
Now _there_ is a good idea.  Thanks once again, Richard.  John

Richard Sims wrote:

> >...Our method of upgrading has always been to install the new
> >version on a new machine, test it thoroughly, then to backup the DB on the 
> >old
> >machine and restore it on the new one.  This has the _enormous_ advantage 
> >that
> >if anything goes wrong, we have only to turn the old machine back on and 
> >we're
> >in business again, with a minimal loss of time.
>
> John - Proceeding carefully on a new machine is an excellent approach.
>        Given that the approach requires the same amount of db,log space on
> both systems, an alternative to TSM db backup/restore would be to configure
> the db,log space on the two systems to be equivalent, and then do a physical
> copy of the db,log space to the other system, where the dsmserv start-up on
> the new machine will upgrade the db.  This should be much faster than a
> logical db backup/restore, and a 3.7 CD would not be an issue.
>    Richard Sims, BU

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| John O'Neall                  |                              |
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