[Users] how can i easily replicate a container?

[Rene C.]

Hi Scott,

Yes I know how to do it pre-ploop, but it has considerable downtime.
The question is, is there a way to utilize the snapshop option of
ploop to replicate a container and thereby reducing the downtime.

Rene

On Fri, Sep 7, 2012 at 10:14 PM, Scott Dowdle <dowdle at montanalinux.org> wrote:
> Rene,
>
> ----- Original Message -----
>> Sometimes it's useful to replicate a container, for example for
>> testing.  It seems very quick to make a snapshot using vzctl chkpnt,
>> but is there a way to restore this as a new container?
>
> I haven't worked with ploop-based containers so maybe it is different for them... but with a non-ploop container... to duplicate it... all you have to do is copy the container filesystem (preferably while it isn't running) and config... then edit the config to a make the new container unique... and then start the new container.  Each time a container is started, its settings in the config (hostname, ip address, disk quota, nameserver, etc) are injected into the filesystem and then it is started.
>
> TYL,
> --
> Scott Dowdle
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> Belgrade, MT 59714
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