[PVE-User] bug with vzdump very dangerous !!!!!
aderumier at odiso.com
Fri Mar 13 13:58:45 CET 2015
I think we could at least add a check for free space on backup storage.
(maybe something like : minimum free space = total size of disks vm.).
We can't known how much compression will be done.
But of course this bug should be fixed.
----- Mail original -----
De: "Jean-Laurent Ivars" <jl.ivars at ipgenius.fr>
À: "proxmoxve" <pve-user at pve.proxmox.com>
Envoyé: Vendredi 13 Mars 2015 12:16:36
Objet: [PVE-User] bug with vzdump very dangerous !!!!!
I am an happy user of Proxmox since a few years but tonight i had a very serious issue :
I ran out of space on my nfs backup storage and guess what happened ? Of course the backup could not run but the problem is that ALL MY KVM MACHINES HAVE BEEN STOPPED BY THE VZDUMP PROCESS !!! (and of course i have not been warned because my supervision machine was on the same cluster… stupid me)
This is a very dangerous bug, at the beginning I did not understand what happened but i found this thread where someone had the very same issue :
I don’t understand why nobody answered him on the forum, in my opinion this is a very serious bug and should be repaired as soon as possible !
I give you some technical info (ask me if you need more)
first precision : I don’t know if it’s relevant but my backup are in snapshot mode
root @ vha ~ # pveversion -v
proxmox-ve-2.6.32: 3.3-139 (running kernel: 2.6.32-34-pve)
pve-manager: 3.3-5 (running version: 3.3-5/bfebec03)
root @ vha ~ #
exemple of backup log :
101: mars 12 22:00:03 INFO: Starting Backup of VM 101 (qemu)
101: mars 12 22:00:03 INFO: status = running
101: mars 12 22:00:03 INFO: update VM 101: -lock backup
101: mars 12 22:00:04 INFO: backup mode: snapshot
101: mars 12 22:00:04 INFO: ionice priority: 7
101: mars 12 22:00:05 INFO: creating archive '/mnt/pve/stock/dump/vzdump-qemu-101-2015_03_12-22_00_03.vma.lzo'
101: mars 12 22:00:05 ERROR: client closed connection 101: mars 12 22:00:05 INFO: aborting backup job
101: mars 12 22:00:05 ERROR: VM 101 not running 101: mars 12 22:00:06 ERROR: Backup of VM 101 failed - client closed connection
Now that i’m aware of this bug I will be more careful and won’t been catch again but i think it’s something that everyone should be warned about !
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