[PVE-User] vzdump backup timing out

John Crisp jcrisp at safeandsoundit.co.uk
Wed Nov 11 16:04:53 CET 2015

Sorry - just jumped on the end of this as I had the same problem that I
was trying to diagnose....

On 11/11/15 15:56, Daniel Bayerdorffer wrote:
> Thanks, that's good to know!
>> Thank you for the help and advice. I'll try staggering the backups for now and see how it goes. I do like knowing I can limit the bandwidth as well.
>> Emmanuel, do you know if vzdump.conf can be overwritten by Proxmox? I assume anytime you mess around with it's internals, that it could get overwritten.
> Hi Daniel
> If you set a BW limit in /etc/vzdump.conf, it won't be overriden by the
> Web Interface. It's a system-wide user setting, see the vzdump
> man page.

The panel allows you to set Max Backups, but this is not reflected in
the config files - I guess it should be in


0 22 * * *     root vzdump 101 --quiet 1 --mailnotification always
--mode snapshot --mailto admin at local.net --compress lzo --storage USB

But there is no sign of 'maxfiles' option and as this is an
automatically generated file it would seem that you can't easily modify it.

So I guess that the option as specified in the panel is not set
correctly by the system template generator.

Probably needs a bit more logic on it too. Really the Max Backups should
be per VM  ? What if you are backing up several and want a Max per VM
and a Max Overall ?

Manually hacking the vzdump.conf file seems a poor way to do it,
especially as there is an option in the web panel that which does not
seem to work !

B. Rgds

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