April 17, 2013 at 4:50 am
This Knowlege Base article describes the procedure for installing Service Packs & Cumulative Updates on SQL Clustered instances.
Is says that before installing the update on a passive node, it should be removed from the list of possible owners on the cluster. In Windows 2008 R2, I don;t see a list of possible owners, I see preferred owners. Is this the same thing? Or does it mean I have to remove a node from a cluster before updating, then add it back in again?
April 17, 2013 at 5:22 am
in failover cluster manager, select the SQL service.
right click the server name select properties. possible owners are on the advanced policies tab. Untick the passive node.
don't remove the node from the cluster before patching.
edit - its not the same thing as preferred owners
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April 17, 2013 at 6:11 am
Found it - Thanks.
Unfortunately, the CU upgrade is still failing.
April 17, 2013 at 7:12 am
the reason for removing the passive node as a possible owner on the networkname resource is to avoid the situation where you're patching the passive node and half way through the installation the clustered instance attempts to failover to the node you are midway through patching, this could cause severe corruption.
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"Ya can't make an omelette without breaking just a few eggs" 😉
April 17, 2013 at 7:28 am
Does pausing the passive node you're installing on have the same effect and is an equally valid action?
April 17, 2013 at 7:32 am
in my experience pausing the node causes it to fail the pre-installation checks.
removing from possible owners is the best way to go.
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April 17, 2013 at 7:47 am
dan-572483 (4/17/2013)
Does pausing the passive node you're installing on have the same effect and is an equally valid action?
This was only really necessary under Windows 2003 clusters. Windows\sql 2008 have many improvements.
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"Ya can't make an omelette without breaking just a few eggs" 😉
April 18, 2013 at 7:30 am
Well, I have patched via SP and CU's on SQL2008 and SQL2008R2 clusters doing the passive node first, then failing SQL Server over and then patching the other node without any isues quite a bit.
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