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Hi Sascha,<br>
<br>
I already did such things, and it worked fine for me, even if I
don't remember the exact way I did it. But I wonder if using the
logical volume name is the correct way to do it. If I remember
correctly, I did it with the storage name appearing in the web
interface (under storage). I don't use the LUN directly but a
logical volume for each VM, as stated in the link you give...<br>
What name for your iSCSI storage do you have in your web interface ?<br>
<br>
Hopes that helps...<br>
<br>
Alain <br>
<br>
Le 06/05/2011 19:22, Sascha Zucca a écrit :
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Hi list,<br>
i'd most desperately would need your help on a very odd issue i
have here.<br>
I would like to qmrestore a backupfile to an ext. storage.<br>
but no matter what i try, it'll always fail.<br>
<br>
First of all:<br>
I have a MSA2312i with 12 x 300 GB SAS (full enclosure)
configured as Raid10.<br>
In the Management Utility of the MSA2312i it is configured as
follows:<br>
<br>
<div class="node VdiskSetNode"><a moz-do-not-send="true"
style="white-space: nowrap;"><b>Vdisks</b></a></div>
<ul>
<li class="lastCollapsable">
<div class="node VdiskNode"><a moz-do-not-send="true"
style="white-space: nowrap;"><b>vd01</b> (RAID10)</a></div>
<ul>
<li class="">
<div class="node VolumeNode"><a moz-do-not-send="true"
style="white-space: nowrap;">Volume <b>vd01_v001</b>
(1005.9GB)</a></div>
</li>
<li class="last">
<div class="node VolumeNode"><a moz-do-not-send="true"
style="white-space: nowrap;">Volume <b>vd01_v002</b>
(792.0GB)</a></div>
</li>
</ul>
</li>
</ul>
<br>
<br>
Here's what i do next :<br>
<br>
1. install multipath-tools as described in <a
moz-do-not-send="true" class="moz-txt-link-freetext"
href="http://pve.proxmox.com/wiki/ISCSI_Multipath">http://pve.proxmox.com/wiki/ISCSI_Multipath</a><br>
<br>
2. Configure iscsi storage as described in
<a moz-do-not-send="true" class="moz-txt-link-freetext"
href="http://pve.proxmox.com/wiki/Storage_Model#LVM_Groups_with_Network_Backing">http://pve.proxmox.com/wiki/Storage_Model#LVM_Groups_with_Network_Backing</a><br>
MSA2312i ISCSI Yes Yes Yes n/a n/a n/a<br>
vd01_v001 LVM Yes Yes Yes 600.00 936.91
64.04%<br>
vg01_v002 LVM Yes Yes Yes 0.00 737.70 0.00%<br>
<br>
3. multipath -ll shows <br>
<small><small><i>3600c0ff0001118d861fac34d01000000dm-3 HP
,MSA2312i <br>
[size=937G][features=0][hwhandler=0]<br>
\_ round-robin 0 [prio=1][active]<br>
\_ 17:0:0:1 sdh 8:112 [active][ready]<br>
\_ round-robin 0 [prio=1][enabled]<br>
\_ 14:0:0:1 sdb 8:16 [active][ready]<br>
\_ round-robin 0 [prio=1][enabled]<br>
\_ 15:0:0:1 sdd 8:48 [active][ready]<br>
\_ round-robin 0 [prio=1][enabled]<br>
\_ 16:0:0:1 sdf 8:80 [active][ready]<br>
3600c0ff0001118d86bfac34d01000000dm-4 HP ,MSA2312i
<br>
[size=738G][features=0][hwhandler=0]<br>
\_ round-robin 0 [prio=1][active]<br>
\_ 17:0:0:2 sdi 8:128 [active][ready]<br>
\_ round-robin 0 [prio=1][enabled]<br>
\_ 14:0:0:2 sdc 8:32 [active][ready]<br>
\_ round-robin 0 [prio=1][enabled]<br>
\_ 15:0:0:2 sde 8:64 [active][ready]<br>
\_ round-robin 0 [prio=1][enabled]<br>
\_ 16:0:0:2 sdg 8:96 [active][ready]</i></small></small><br>
looks good...<br>
<br>
4. now i start the command<br>
qmrestore --storage vd01_v001
vzdump-qemu-101-2011_05_05-20_05_02.tgz 101 &<br>
the dump consists of two vds (200GB and 600GB)<br>
<br>
5. the first vd is being restored to the external storage, i can
see it in the PM-storage-gui and through lvdisplay<br>
<br>
6. after a while i get the message that vd1 has been restored
allright and restore of vd2 has started<br>
i can then see both vds (PM-storage-gui and through lvdisplay)<br>
<br>
7. after another while qmrestore stops, the onle message i can
find ist this in syslog:<br>
vzdump[8439]: ERROR: restore QemuServer backup
'vzdump-qemu-101-2011_05_05-20_05_02.tgz' failed - interrupted by
signal<br>
<br>
8. the vd1 has vanished, only (an obviously broken) vd2 can be
seen (PM-storage-gui and through lvdisplay)<br>
<br>
9. no VM is shown in the virtual machine part of the PM-GUI<br>
<br>
I tried barely everything to get it working...<br>
In the test phase of this environment it worked absolutely
flawlessly... <br>
Now that we built everything in place no more...<br>
<br>
<br>
Please also consider that qmrestore --storage local
vzdump-qemu-101-2011_05_05-20_05_02.tgz 101 &<br>
works like a charm!<br>
<br>
<br>
What do i do that is so wrong???<br>
<br>
Please help me...<br>
<br>
<br>
Thank you very, very much!<br>
Sascha<br>
<br>
<br>
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