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Vmware High Availability (HA) is a great feature that allows a guest Virtual Machines in a Cluster to survive a host failure. Some quick background is that a Cluster is a group of hosts that work together harmoniously and operate as a single unit. A host is a physical machine running a Hypervisor such as …

I know this is a little old-school, but since I didn’t find a good reference anywhere online … I am going to cover migrating VMWare ESX 2.5 datastores with EMC SANcopy in this month’s installment. If you find yourself in this situation—you will know that it works and how it’s done. I recently ran through …

As the VNX unified storage array continues to roll out, concerns increase for customers who have known Navisphere for years. For example: “Where is everything and how the hell do I create a LUN?” In order to better prepare users for this query and other simple tasks, let’s create a LUN from an existing RAID group. …

Initially, our customer had a huge challenge backing up his virtual environment. He had to treat his VMs as physical machines. Due to the long backup window of “backup to tape,” the customer was only able to a get a full backup on the weekend. As we all know, backup to tape is the cheapest; …

Is deduplication really all it’s cracked up to be? With everyone in the industry talking about deduplication, you can’t go 2 minutes without hearing how great it is and outlandish claims regarding deduplication rates. So the question is… is dedupe really all it’s cracked up to be? The answer isn’t really in the deduplication technology …