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45 Posts
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21821
May 16th, 2012 01:00
Networker VADP image restore
I have some trouble with Networker VADP backup/restore:
I use a windows 2008 server as backup server and also the VADP proxy.The server connected to the storage through HBAs.I use san transmode. I can backup the VM with *FULL* , but when I try to test the restore ,the trouble comes.
First, I bring up the Networker User and selected Saveset Restore,choose the FULL save set.When I click OK,there's no option windows about VADP pops up and the Networker User try to restore files to my backup server . I modify the VADP_DISABLE_FLR=Yes , backup the client ,then restore ,the same.
Then I try to use recover -S xxxxxxxxx -o VDSP......command to restore the VM.The VM that I deleted was recreated and I can see a lot of files restored to the VM. After the restore finished,I try to bring the VM online, but the VM can't boot the OS. Also I tryed to use VADP_DISABLE_FLR=Yes and theresult was the same.
So how can I solve these two problem? Any configuration step I had missing?
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Tomo3
9 Posts
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February 8th, 2013 06:00
in DISKPART you should check SAN policy (should be OnlineAll)
DISKPART> SAN
DISKPART> SAN POLICY=OnlineAll
DISKPART > SELECT DISK xx
DISKPART> ATTRIBUTES DISK CLEAR READONLY
(last part for to be done for each readonly vm disk)
then reboot proxy
..after reboot check disk details again
JustinCline
2 Posts
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February 14th, 2013 14:00
This is sounding like a problem I am working on right now.
https://solutions.emc.com/emcsolutionview.asp?id=esg133797
which is also covered here:
http://www.vmware.com/support/developer/vddk/vddk-502-releasenotes.html
I think our problem might be tied to the fact that our proxy server sees 4 versions of the disk due to the 4 paths to the array, and puts 3 into read only mode (offline) and 1 into read/write mode (online)
We are thinking this is confusing things with the restores... maybe using one of the read only disks instead of the online one.
Problem is I can't confirm this is the case as I don't know which disk in windows the restore process is trying to talk to so I can't check if i'ts one of the read only ones or not...
andreewert
3 Posts
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February 15th, 2013 01:00
I seem to have resolved the issue by enabling the Windows feature "MPIO". That makes all the paths appear as online. Restored VMs do boot now.
JustinCline
2 Posts
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February 15th, 2013 07:00
That makes sense as mpio adds multipath support to windows, so it should only show the active path, and not the redundant paths, so just the one online disk will show up, and not the other offline ones
Good to hear it did fix the restores for you, as we are in the process of looking into if we can use EMC Power Path instead of MPIO (should do pretty much the same thing, but some of our staff prefer it to the windows version) so hopfully this will fix our problem as well
(I didnt want to post anything till we found out if we could use it though in case there was some issues with using it on a networker proxy that could harm the VMFS volumes on the SAN. I will post back though on if Power Path is a second option once we hear back from EMC)
Albertwt
2 Intern
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164 Posts
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April 20th, 2013 19:00
hi is that supposed to be NBD ?
and also how can we restore to VM with a different name to avoid confusion ?