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
[EMAIL PROTECTED]:/vservers/<guest>/
I've got this far but since it is getting a new IP I used that instead
of the current IP. Not a high traffic site so after I change to the old
IP I'll try this next step.
<make sure it's good, stop the guest on the other host>
How not good? I'm thinking rsync does it right so maybe my invocation
could have been wrong. ???
rsync -Hazx --numeric-ids [EMAIL PROTECTED]:/vservers/<guest>/
The man page for rsync seems to indicate that the -H switch will be in
conflict with the -a switch or the other way around.
Rod
--
/vservers/<guest>/
vserver <guest> start
--
Daniel Hokka Zakrisson
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