[pbs-devel] Problem with PBS and old CentOS 4.9 vm

Fabian Ebner f.ebner at proxmox.com
Mon Aug 31 09:07:42 CEST 2020


Hi,
are there any problems when you backup to a non-PBS storage? Could 
https://bugzilla.proxmox.com/show_bug.cgi?id=2528 be related?

Am 26.08.20 um 14:26 schrieb Fabrizio Cuseo:
> There is something strange..
> 
> Vanilla CentOS 4.9 (32 bit), backup, restore, fsck, no problem
> I have copied (rsync) the content of my old centos 4.9 machine (but rsync, so the filesystem is new and clean) to the vanilla 4.9
> Backup, restore, some problems with fsck
> Backup (powered off), restore, power on, reset, power on, fsck, problems with fsck
> 
> Seems that during backup (and restore) something goes wrong with filesystem...
> 
> The vm is on ceph with virtio drivers.
> 
> Regards, Fabrizio
> 
> ----- Il 25-ago-20, alle 17:12, Dietmar Maurer dietmar at proxmox.com ha scritto:
> 
>>> I have a problem with a 4.9 centOS vm. If i restore after backup, during the
>>> initial FSCK there are a lot of errors and filesystem problems.
>>>
>>> I have tried to:
>>> - change disk from virtio to IDE
>>> - backup with vm off
>>> - make fsck, stop the vm, backup, and restore
>>>
>>> If i backup the vm powered off, when I restore it, no fsck is prompted at boot,
>>> but if I reset (without any activity) the vm, again the filesystem is full of
>>> errors.
>>> If I reset the original VM, no problem during fsck at boot.
>>>
>>> If i fix the restored vm, I backup it again (powered on or off), same problem.
>>>
>>> So seems the the problem is making and restoring backup.
>>>
>>> No problem with a centOS 6.X (i am testing other OS versions).
>>>
>>> Some idea ?
>>
>> file system on centos 4.9 is buggy (old xfs version)?
> 





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