Re: [vserver] Moving VServers from one host to another

From: Ted Barnes <madogdevelopment_at_gmail.com>
Date: Sat 26 Oct 2013 - 17:00:21 BST
Message-ID: <526BE715.9070600@gmail.com>

Thanks Romain & Jon - will give it a try -- appreciate the help...

On 10/26/13 15:59, Romain Riviere wrote:
> Hi,
>
> On 26/10/2013 17:34, Bendtsen, Jon wrote:
>
>>> I would like to have a procedure to move a vserver guest from one host to another. Is this much more than moving everything from /etc/vservers/"vservertomove" using something like rsync?
>>>
>> I think you need to make sure that the CTX of the vserver guest that you move are not already used on the vserver host that you move it to.
>>
> I do that from time to time between two almost identical host servers.
> My procedure is :
> - "hot" rsync (vserver running)
> - stop vserver on old host
> - "cold" rsync
> - start vserver on new host
> - update ARP cache with arping
> - move /etc/vserver/<vs>/apps/init/mark from old host to new host, in
> order to ensure proper vserver start on only *ONE* host in case of a reboot
>
> My vservers have public IPs assigned to their network interface, which
> is why I use arping on the new host to speed up the APR cache updating
> when the new IP is added.
>
> The rsyncing is done at the host level and excludes the usual /proc and
> /dev.
>
> Cheers
>
Received on Sat Oct 26 17:02:05 2013

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