MICROSOFT suggests running a chkdsk /r on the disks seeing this issue.
Please make sure to follow the Microsoft guidelines for running chkdsk as this may impact your system.
If the Chkdsk.exe is unable to detect and repair any errors, apply the patch in the following Microsoft article.
https://support.microsoft.com/en-us/kb/2754784
Applies to
Windows Server 2008 R2 Service Pack 1
Windows Server 2008 R2 Datacenter
Windows Server 2008 R2 Enterprise
Windows Server 2008 R2 for Itanium-Based Systems
Windows Server 2008 R2 Foundation
Windows Server 2008 R2 Standard
Windows Web Server 2008 R2