ADSM-L

Re: [ADSM-L] DP for SQL Server mirroring

2007-11-13 10:08:32
Subject: Re: [ADSM-L] DP for SQL Server mirroring
From: "Loon, E.J. van - SPLXM" <Eric-van.Loon AT KLM DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Tue, 13 Nov 2007 16:07:25 +0100
Hi Del!
I just spoke with the SQL guy and his question is a little bit more
clear to me now.
The database is running on the Principal and a copy is running on the
Mirror.
The database is backed up on the Principal. After a take-over the Mirror
becomes the new Principal, so the backup should be backed up on another
physical Windows node.
The only one who knows about the take-over is the Witness, so for the
backup application to know on which Windows node to execute the backup,
he should talk to the Witness.
My SQL guy actually wants to know how he can assure that the backup
continues on the other node after a take-over.
Thanks again in advance for you reply!!!
Kindest regards,
Eric van Loon
KLM Royal Dutch Airlines

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Del Hoobler
Sent: dinsdag 13 november 2007 14:56
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: DP for SQL Server mirroring

In what respect do you mean "support"?
The backup application is not involved with the transfer of the log
records with SQL Server mirroring. The SQL Server manages that.
I normally point customers to the Microsoft documentation:
   http://www.microsoft.com/technet/prodtechnol/sql/2005/dbmirror.mspx
Where it says things like "You must make a backup of the database..."
and "...restore of the principal database with NORECOVERY, ..."
customers use Data Protection for SQL to perform those operations.

Thanks,

Del

----------------------------------------------------

"ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU> wrote on 11/13/2007
07:38:21 AM:

> Hi TSM-ers!
> One of my SQL colleagues asks me whether DP for SQL Server supports 
> the SQL Server 2005 Database Mirroring feature.
> My first thought was to check the manual "Data Protection for 
> Microsoft SQL Server Installation and User's Guide" Version 5 release 
> 2, but the word mirroring isn't mentioned once...
> Thank you very much for your reply in advance!!!
> Kindest regards,
> Eric van Loon
> KLM Royal Dutch Airlines
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