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

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.

Status

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

References

Learn about the terminology that Microsoft uses to describe software updates.
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מזהה פריט: 3121258 - סקירה אחרונה: 2 ביוני 2016 - תיקון: 1

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