‘The IO operation at logical block address was retried’ on Hyper-V 2012 R2 guest

I’ve recently been working a lot with Microsoft’s backup solution and part of the System Center 2012 R2 suite: Data protection Manager 2012 R2. I will likely post some architecture and hands-on experience posts in the very near future but for now I want to share an experience I had after I migrated my DPM […]

Hyper-V: The VHD/VHDX cannot be accessed by the system when deduplication has been enabled

I’ve been setting up a few Windows Server 2012 R2 Hyper-V clusters lately and I ran across what, at first sight, appeared to be a common permissions problem. The setup was a single-node cluster using a CSV of an iSCSI volume. I’d migrated some test VMs to it and all seemed fine and so I […]