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sql server clustering : What is the best backup solution for failover cluster SQL Server


Ashok
11/30/2004 10:05:02 PM
Hi,
I have two node with one shared SQL Server Database.
Now I have to schedule backup for the above Database.
In this case what will be the best possible solutions?

Thanks in Advance.

Rodney R. Fournier [MVP]
12/1/2004 9:42:37 AM
Good question. First buy cluster and SQL Server aware backup software. That
task should not be too hard to do. Next configure it to only backup by using
the virtual name\driveletter$. You use the virtual name so that the backup
is successful no matter what node owns the drive. Lastly, also backup the
system state of each and every node.

Cheers,

Rod

MVP - Windows Server - Clustering
http://www.nw-america.com - Clustering
http://www.msmvps.com/clustering - Blog

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uttamkp NO[at]SPAM online.microsoft.com
12/1/2004 6:37:24 PM
Hi Ashok,

Backing up your SQL database in a clustered environment is not different from a normal server (although it can be complex if the db is in terabyte range). You can still use the SQL Server Agent jobs/maintenance
plans to backup your database. More often than not, it is easiest to first back up to disk. Create a cluster disk share so in the event of a fail over, all nodes will have access to the backup share. Do NOT attempt to
backup to any LOCAL drives. After the database is backed up, it should be copied to another location, backed up to another medium such as tape, and then archived in an offsite location after it is tested and verified.

Apart from backing up your SQL Server databases, you need to backup your server cluster. You can use the Backup or Recovery Wizard to back up cluster nodes. For detailed information, please refer to

Backing up and restoring server clusters
http://www.microsoft.com/resources/documentation/WindowsServ/2003/standard/proddocs/en-us/Default.asp?url=/resources/documentation/WindowsServ/2003/standard/proddocs/en-us/sag_mscsusing_9.asp

Best Regards,

Uttam Parui
Microsoft Corporation

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Tom Mongold
12/10/2004 12:19:14 PM
We use the Tivoli suite of products to do just that. Rememebr that you are
backing up the clustered instance of SQL, and not the physical nodes when you
set up your back ups. You have to be able to authentictae to your back up
server as the clustered instance from both nodes....if you are lucky, the
same node will always own the resources...but if you have a failover, you
need to be able to back it up from the other side. We have 7 clusters set up
in just this fashion...A/A clusteres are a tad more difficult as you have to
be able to authenticate to the back up server as both clustered instances
from both nodes...twice the config files, and such.....

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