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Backing up an OpenVZ platform. [message #8062] Fri, 03 November 2006 16:20 Go to next message
Denis Vervisch is currently offline  Denis Vervisch
Messages: 1
Registered: November 2006
Junior Member
Hello all,

I’m looking for a reliable solution for backing up an OpenVz server with
third party backup software, like NetVault.
So, I define a job which save my /vz directory, but NetVault generate a lot
of warnings like ‘File ‘xxxxxx’ in flux during backup’.
Can someone give me the best solution to do a reliable backup of all my
virtual servers ?

Thanks for your help,
Best Regards,

--
VERVISCH Denis

____________________________________________________________ _____
Ten : profite de ton Messenger en illimité sur ton mobile !
http://mobile.live.fr/messenger/ten/

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Re: Backing up an OpenVZ platform. [message #8063 is a reply to message #8062] Sun, 05 November 2006 18:58 Go to previous messageGo to next message
Jim Zajkowski is currently offline  Jim Zajkowski
Messages: 5
Registered: May 2006
Junior Member
On Fri, 3 Nov 2006, Denis Vervisch wrote:

> Can someone give me the best solution to do a reliable backup of all my
> virtual servers ?

We use IBM TSM, and run it in every virtual machine. It works well, and
TSM is pretty lightweight.

--Jim

BTW, we switched from NetVault to TSM about a year ago and couldn't be
happier with the performance and media efficiency of TSM.

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Re: Backing up an OpenVZ platform. [message #8065 is a reply to message #8062] Sun, 05 November 2006 19:38 Go to previous message
quantact-tim is currently offline  quantact-tim
Messages: 4
Registered: September 2006
Junior Member
If you were to make /vz an LVM volume, you could do a snapshot, and grab
those contents with NetVault, tar.gz, etc.
LVM will track the differences (i.e writes) between the two, and the
snapshot is a point in time save of the filesystem.
Normal filesystem activity continues on during the snapshot, so service
is not interrupted.

We're using LVM to provide snapshot backups for the XEN VE's we host.
For /vz, just make sure your LVM disk pool has enough space left over to
take the /vz snapshot.
If it runs out, it will likely abort the snap, or have unexpected results.

You may want to run the testing 2.6.16 ovz kernel, as LVM has some bugs
with older kernel versions.

Cheers!
-Tim



--
Timothy Doyle
CEO
Quantact Hosting Solutions, Inc.
tim@quantact.com
http://www.quantact.com



Denis Vervisch wrote:
> Hello all,
>
> I’m looking for a reliable solution for backing up an OpenVz server
> with third party backup software, like NetVault.
> So, I define a job which save my /vz directory, but NetVault generate
> a lot of warnings like ‘File ‘xxxxxx’ in flux during backup’.
> Can someone give me the best solution to do a reliable backup of all
> my virtual servers ?
>
> Thanks for your help,
> Best Regards,
>
> --
> VERVISCH Denis
>
> ____________________________________________________________ _____
> Ten : profite de ton Messenger en illimité sur ton mobile !
> http://mobile.live.fr/messenger/ten/
>

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