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Veeam B&R v8 in a VM with iSCSI VMFS datatstore present for Direct SAN

Posted on 2015-02-21
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Last Modified: 2016-02-25
Hi Guys,

I am just getting to grips with Veeam and setting up Direct SAN access. I have Veeam running in a VM on 2008r2 and my VMFS datastores are presented to the VM, automount has been disabled, the volumes are 'online'. Should they be in 'offline' mode?

But I rescan the server and the repositories in Veeam, but I don't think Veeam sees them? I have set my proxies to use SAN only and they start using [san] it then go to [nbd] even though I have told it not to revert to network.

Hard Disk 1 [san] then

Hard Disk 1 [nbd]

When I add new repository, select the windows server and click populate I see C: and E: but not the VMFS volumes? MMC console sees the luns and I have put them in online mode, and that's it. So the Windows VM defo sees the luns.

They are iSCSI luns from an old IBM DS3300 SAN

Am I correct in that presenting the VMFS luns to the windows Veeam backup proxy is the way to go to use Direct SAN properly? I have been following the links below:

http://www.veeam.com/blog/direct-san-access-tips-for-iscsi-vmfs-volumes-and-backup-proxies.html

http://www.veeam.com/blog/using-the-iscsi-initiator-within-veeam-backup-replication-in-a-vm.html

What am I missing? I have attached screenshots, any help helping me understand this would be greatly appreciated !
veeam1.jpg
Veeam2.jpg
veeam3.jpg
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Question by:piedthepiper
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by:paulsolov
ID: 40623857
Running through the same scenario for our proof of concept for veeam.  The volumes connected to the datastores should be offline and healthy.  The volumes are presented to a windows server (scary as it may sound)
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by:piedthepiper
ID: 40624173
Hi Paul,

So basically the VMFS volumes that are presented to the Windows VM need to be in offline mode and not online like I have done?

Yes presenting them to Windows sounds like a nutty thing to do, but as long as they aren't mounted, you should be safe...or so I understand!

If I have set it up correctly why is it backing up using [nbd] network based? *EDIT* will it show network mode, because iscsi traffic runs across the network? If so I thought the basis for Direct SAN was that it offloads everything to the SAN, so there is no traffic?

As you can guess I am pretty muddled!
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piedthepiper earned 0 total points
ID: 40626782
After some more fiddling about, I got it to work.

Most of what i did was correct, DIRECT SAN is for read access on the LUNs only. and when rpesented to windows must be set in offline mode.

The proxy on that windows server I set to direct SAn only and on the target site I set that proxy to use hot add and it works fine!

Phew!
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Author Closing Comment

by:piedthepiper
ID: 40768957
I figured it out
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