[Lxc-users] Backing Up A Container

[Thaddeus Hogan]

What tools are you using for backup? I am using Amanda for my Ubuntu 
12.04/LXC hosts/guests, however I don't back up the whole root 
filesystem.  What I do is store a gold root filesystem, and a list of 
additional packages installed I generate from dpkg-query. Finally, with 
Amanda I only backup data and config files. I have not had any issues so 
far re-producing an identically functioning guest system from the gold 
image + additional packages + Amanda backups. Of course, my method only 
works if you own all the guests.

Sorry I cannot comment more on backing up a whole root filesystem, but 
though I would share my technique in case if gives you any ideas.

-- Thaddeus

On 5/3/2012 12:01 PM, Patrick Kevin McCaffrey wrote:
> Hello list,
> I've been doing some work on my LXC setup lately.  I have several Debian containers set up under an Ubuntu 12.04 host.  Each container runs different services (email, web, database, etc.), and I've been trying to figure out the best way to back them up.
>
> I've tried simply copying the rootfs of each container, but I get errors about not being able to copy special files.  What is the 'standard' method for container backups?
>
> Pat McCaffrey
>
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