Re: [Vserver] One More Time - copy a Guest from system to system

Roderick A. Anderson wrote:
> And as always Daniel ... you rock. Thanks. This is much simpler than
> what I thought it could be.

You're welcome!

> Can I assume that after --context and before -- (the ...) I can put in
> other switches?
>
> --interface, --initstyle, --hostname, etc?

Yeah, of course. I meant to specify a context number before the dots, that
must've gotten lost somewhere...

> I was just getting ready to try _my method_ on a small guest but this
> will be better.
>
>
> Again thanks,
> Rod
> --
> Daniel Hokka Zakrisson wrote:
>> Roderick A. Anderson wrote:
>>> I've been all through the Wiki and old docs, searched using Google,
>>> looked through my _OLD_ messages (back to 2003) and still can't come up
>>> with a well defined method to copy a (running if possible) vserver
>>> guest
>>> from one system to another.
>>>
>>> From my reading I think I need to build the _new_ guest 'mynewone'
>>> using the skeleton method. Then rm all the files in /vserver/mynewone
>>> and follow that with a rsync from the _old_ guest to the _new_ guest.
>>> Unfortunately the vserver docs are from the CTX kernels. A vserver
>>> --help gets a semi-useful help screen. Any newer docs?
>>>
>>> What special rsync switches do I need or use to make this process
>>> doable? As in it is a running guest that I'd prefer not taking down
>>> until the actual move I'm sure /proc and maybe /dev could cause
>>> problems.
>>>
>>> The need for the hot copy is because the _old_ guest has a big pile of
>>> installed perl modules and _other_ software packages. It would be
>>> easier to copy than (re)install them. :-)
>>
>> The way I'd do it:
>> export RSYNC_RSH=ssh
>> vserver <guest> build -m rsync --context ... -- --source
>> root@otherhost:/vservers/<guest>/
>> <make sure it's good, stop the guest on the other host>
>> rsync -Hazx --numeric-ids root@otherhost:/vservers/<guest>/
>> /vservers/<guest>/
>> vserver <guest> start
>>
>> --
>> Daniel Hokka Zakrisson
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>
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-- 
Daniel Hokka Zakrisson
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