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Re: failover cluster using 64 bit windows 2k3 on single HBAs and DS400 with dual controller

Posted by uspensky on 09/30/02 11:45

OK,

we have now added to the configuration to provide multipaths to both
nodes from both controllers.

Each node now has two HBAs with with connections to both controllers.
It seems as though everything is working as expected with failover
occuring system to system if the node fails and also controller to
controller if the controller fails.

When I do a failover from system to system, it works flawlessly.
When i Do a failover from controller to controller however, the active
node seems to kick in fine when the resources are bak up and available
but shows an error in taskbar and event log saying:

windowsDelayed Write Failed: Windows was unable to save all the data
for the file M:\ The data has been lost. This error may be caused by a
failure of your computer hardware or network connection. Please try to
save this file elsewhere.

Since this cluster is being used for a SQL Server 2005 cluster, losing
data is not something we would like to do. The controllers have 256
battery backup memory on them. Since this is the case, are the
controllers taking care of this issue and windows is just not aware of
it or do we actually have an issue where we might lose data?

 

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