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 cluster - take sql resource offline

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cz
Starting Member

19 Posts

Posted - 2011-05-04 : 16:49:11
Hi,
I would like to take SQL Server resource offline(in Cluster Administration) in a 2-node cluster. Do I have to stop the sql server services(Computer Management/Services) first?
Thanks!!
Cz

tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2011-05-04 : 16:51:11
No, you do everything through Cluster administrator.

Tara Kizer
Microsoft MVP for Windows Server System - SQL Server
http://weblogs.sqlteam.com/tarad/

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cz
Starting Member

19 Posts

Posted - 2011-05-04 : 16:56:01
Thanks tkizer!!

Just to confirm - so I dont need to stop sql server services while I take sql server resource offline in Cluster Administration?

(since this is a Prod 24x7 environment, I have to be in caution..)

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tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2011-05-04 : 16:58:55
When you take the SQL Server resource offline on a cluster, it takes the SQL Server down. Taking the resource offline on a cluster is just like stopping the service on a standalone server. This is downtime for the databases.

So why do you want to to do this if it's 24x7?

Tara Kizer
Microsoft MVP for Windows Server System - SQL Server
http://weblogs.sqlteam.com/tarad/

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cz
Starting Member

19 Posts

Posted - 2011-05-04 : 17:13:41
Sorry not making myself clear.

I added a SAN drive into the sql cluster, but in Cluster Adminisration the sql server resource has to be offline to add the new drive ( or is it?)

Sorry not making myself clear.

I added a SAN drive into the sql cluster, in Cluster Adminisration the sql server resource has to be offline to add the new drive ( or is it?)

This is why I asked whether I can stop the resource to include the new drive in Cluster but keep sql services running, which seems impossible.

Or is it possible to add a SAN drive in a cluster without downtime?


Thanks Tkizer!
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tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2011-05-04 : 17:17:12
According to this link, Windows 2003 needs it to be offline while Windows 2008 does not: http://msdn.microsoft.com/en-us/library/ms177447.aspx

Tara Kizer
Microsoft MVP for Windows Server System - SQL Server
http://weblogs.sqlteam.com/tarad/

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dinakar
Master Smack Fu Yak Hacker

2507 Posts

Posted - 2011-05-04 : 17:18:56
If your OS can "see" the disk in Disk Management then you can add it to the Cluster without having to take any resources offline. If you want to use it for SQL (Databases/log etc) and add it as dependency then yes you need to take SQL resource offline.

Dinakar Nethi
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cz
Starting Member

19 Posts

Posted - 2011-05-04 : 17:22:56
That's clear then.
Thanks Tkizer for your time, you are awesome!
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dinakar
Master Smack Fu Yak Hacker

2507 Posts

Posted - 2011-05-04 : 17:30:04
If its SQL 2008 (and above) on Windows 2008 (and above) cluster then yes you can add the disk without taking SQL offline. However, if its SQL 2005 on Windows 2008 then I *think* you need to take SQL resource offline.. need to confirm this though as I dont have a SQL 2005 instance on a Windows 2008 cluster..

Dinakar Nethi
************************
Life is short. Enjoy it.
************************
http://weblogs.sqlteam.com/dinakar/
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