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I’m running Windows Server 2008 with MPIO clustered shared volume, Failover clustering and TSM running Incremental backup at 3am every day. I was looking at event log as part of my routine and found following Warning messages occurring every day at random times. Unfortunately I was unable to find any useful information on the web that can relay to this issue.

If anybody has any information on possible cause of that problem, I'll greatly appreciate you input.

Warning 7/11/2013 10:00:56 PM dcsmpio 26 None

MPIO volume volume-name has encountered an I/O condition that will be failed without retries Event ID: 26 Source: dcsmpio

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