[clo-devel] 2011-04-15: cl-net migration progress

[Erik Huelsmann]

Hi Stelian,

>>> My work on cl-net migration got stuck a little on tech.coop internal
>>> work this week. However, I'm fully back to the migration and I'm
>>> making copies of /project and /home right now. I suppose I'll be
>>> creating a copy of much inside /custom too, when the other two
>>> transfers have finished.
>>
>> If you make a backup while the server is still accessible you'll lose
>> data modified after the backup but before the restore and switch to the
>> new server.
>
> Absolutely agreed. So, copying the data from an lvm snapshot is not
> the only action. However, in the past, I've been able to reduce
> downtimes of servers to just minutes by copying the bulk of the data
> in advance, followed by bringing down the server, doing a quick rsync
> and bringing up the new server. It's the plan I intend to use this
> time aswell.

Well, this part (moving everything to NFS) is finished. lisppaste has
been restarted, but is rebuilding its in-memory metadata database from
disc, so it may take a while to come back up. Please report any
issues.

Bye,


Erik.