Discussions specific to the VMware vSphere hypervisor
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Joined: May 20, 2010 4:17 pm
Full Name: Dave DeLollis

Re: Best practice to backup pRDM with Veeam

Post by Daveyd » Jul 20, 2012 2:45 pm

I think I just proved that with my testing as well :)

This will work perfectly for us since the LUN that the VM's "data" drive is on HAS to be a physical mode RDM. That particular LUN is actually being backed up using other software using LUN clones. So, the thinking is, replicating the VM with the RDM from our Production SAN to our DR SAN. When we do a failover to DR, the VM with the RDM will failover but without the RDM. We will then have to attach the backed up Clone LUN to the VM as an RDM which is now residing on the DR SAN.

Since the vendor only supports physical mode RDMs, this seems like the only thing we can do for Replication to work.

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Joined: Aug 16, 2017 7:03 pm

[MERGED] backup RDM-disk on esxi 6.0

Post by SAMbI4 » Aug 16, 2017 7:17 pm

Hello community, i have big question.
I have File server (dase on Win 2012R2), i have iscsi LUN (30 Tb) mapped on esxi, and mount DRM disk on VM.
But veeam work with only vRDM disk, question is, how i make backup this disk?

Veeam Software
Posts: 1572
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Joined: Dec 01, 2016 3:49 pm
Full Name: Dmitry Grinev
Location: St.Petersburg

Re: backup RDM-disk on esxi 6.0

Post by DGrinev » Aug 17, 2017 2:10 pm

Hi and welcome to the community!

You can't make a backup of the pRDM with Veeam B&R as you said. You might consider switching to vRDM or try to use Veeam agent for windows.
Please review this thread for additional information. Thanks!

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