The May 15th Update Rollup includes a Huge List of fixes for Spaces, CSV´s and SOFS. Make sure you read the release nodes before Intalling.
<http://support.microsoft.com/kb/2955164#issues>
- 2955626 Copy Cluster Role wizard does not preserve volume path when you move a CSV to Windows Server 2012 R2
- 2953558 “0x7e” Stop error when you run SMB direct stress in Windows Server 2012 R2
- 2929869 CSV snapshot file is corrupted when you create some files on the live volume in Windows
- 2908783 Data corruption occurs on iSCSI LUNs in Windows
- 2961064 Storage pool stops working when a disk is removed from a Windows Server 2012 R2-based cluster
- 2961059 Update to identify the faulty disk when Storage Spaces resource cannot be online in a Windows Server 2012 R2 cluster
- 2961058 A cluster-wide deadlock in a Windows Server 2012 R2-based cluster when a CSV disk is paused
- 2959559 Progress is slow when you defragment a CSV volume in Windows 8.1 or Windows Server 2012 R2
- 2958287 Defrag task does not work on a deduplicated VHD file in Windows 8.1 or Windows Server 2012 R2
- 2957625 Cluster shared volumes (CSV) are stuck when you stop a cluster service in Windows Server 2012 R2
- 2957624 You cannot connect to virtual machines located on a SMB-based storage in a Windows Server 2012 R2 cluster
- 2957321 Regeneration of a 3 way mirror fails in Windows Server 2012 R2 and Windows 8.1
- 2957560 Computer that is running Windows freezes after stress testing in iSCSI initiator for many hours
- 2916860 Disconnection between storage and node in a Windows Server 2012 R2-based or Windows Server 2012-based cluster environment