Thursday, May 1, 2014

Backing up VMs with vRDM using Veeam over FC Network

With the release of vSphere 5.5, the size limitation for a virtual RDM has been increased substantially to a limit of 62TB. In my opinion, this makes the use of physical RDMs redundant unless they are needed for some type of Microsoft Clustering or bus sharing. One of the advantages of vRDM is that it can be snapshotted which translates to being able to be backed up via Veeam.

In order to backup a vRDM over the fiber channel network (SAN Mode) with Veeam, the following is required:
  1. Zone and present the vRDM LUN to both the ESXi cluster and the Veeam Backup Proxy 
  2. Zone and present the VMFS LUN where the VM's VMDK and vRDM pointer files are stored to both the ESXi cluster and the Veeam Backup Proxy

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