Bacula-users

Re: [Bacula-users] Era of virtual machines (block level differentials and incrementals)?

2009-06-02 10:13:01
Subject: Re: [Bacula-users] Era of virtual machines (block level differentials and incrementals)?
From: Josh Fisher <jfisher AT pvct DOT com>
To: bacula-users AT lists.sourceforge DOT net
Date: Tue, 02 Jun 2009 10:09:03 -0400
Ulrich Leodolter wrote:
> I agree, this would be a nice feature, not only for virtual machine
> images.
>
> But if you install bacula inside a virtual machine you can restore
> individual files.   If you backup images you can only restore full
> images.
>
> Ulrich
>
>   

I agree, but I have been using a combination of both (with Xen on 
Centos). When OS updates are applied on the VM, an LVM snapshot of the 
VM's LVM partition is taken, which gets backed up with the host. So the 
image being backed up doesn't change very often and doesn't get backed 
up during incremental host backups. Specific files in the VM, for 
example web server content files, get backed up from Bacula running 
within the VM.

Josh

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