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MPIO LUN loss on storage controller failover in Windows Server 2012 R2

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Symptoms

Assume that you have a Windows Server 2012 R2-based computer connected to a storage device through multiple paths by using Multipath I/O (MPIO). When multiple paths fail over concurrently or in quick succession, the I/O operation may fail, and the computer may lose its connection to the storage device.

Note This issue can occur with any disk that's connected over multiple paths by using MPIO.

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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References

Learn about the terminology that Microsoft uses to describe software updates.

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Keywords: kbsurveynew, kbfix, kbexpertiseinter, kbqfe, kb

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Article Info
Article ID : 3121258
Revision : 1
Created on : 1/7/2017
Published on : 6/2/2016
Exists online : False
Views : 193