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Title
Upgrade driver for IBM SAN causing cluster shut down when LiteSpeed performing backup to the SAN. -
Description
Upgrade driver for IBM SAN may cause cluster shut down when LiteSpeed performing backup to the SAN. SQLDiag shows that the OS is reporting the SAN as a fixed disk instead of remote, which would cause LiteSpeed to go into a very different file writing mode (unbuffered instead of buffered). -
Cause
Driver Issue on IBM SAN
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Resolution
User can reproduce the problem with IO Meter (another 3rd party application), indicating LiteSpeed is not the root of the problem.
This is not a Quest LiteSpeed issue. Please contact IBM for troubleshooting. -
Additional Information
All versions of LiteSpeed
All versions of SQL Server