Brent Clark wrote:
> Michael Stowe wrote:
>> It depends on what you mean by "large scale" and what your particular
>> plans are. Having a BackupPC server in each of a dozen countries to back
>> up offices of 10-50 people each probably wouldn't require anything
>> special, while trying to back up a PC in Columbia from Germany may require
>> a special deal with the local militia not to blow up the leased lines, and
>> your problems would have very little to do with BackupPC.
>>
>> Typically in a large scale enterprise, any backup solution is part of a
>> larger backup plan that includes data retention policies, recovery
>> commitments, storage policies, and deployment considerations built around
>> the needs of the organization within the bounds of the infrastructure,
>> considering the characteristics of the data that requires protection.
>
> Hiya
>
> Thanks for replying, given additional food for thought.
>
> Im looking at 107 servers (As said ... around the world, most of which are in
> datacentres, and im expected to take on more in the foreseeable future).
> Currently I got a clunky rsync / scp, script solution going, which oddly
> enough works, but I would like something better.
Usually the issue that limits performance with backuppc is disk seek
time as it manages hardlinks and directories which have to be on a
single file system. About the only thing you can do to improve that is
to use a raid scheme that includes a lot of drives and add RAM for
buffering. Next would be CPU use because the rsync implementation in
perl is less efficient than the native C version and the files are
normally compressed. For remote targets, bandwidth may be also be the
limiting factor - you can add the -C option to get ssh-level compression
but backuppc's rsync does not support -z.
So, if you are currently managing this number of targets with rsync
scripts, backuppc may or may not work at the same scale - but it might
be easier to manage even if you have to break the set up and split them
between two servers.
--
Les Mikesell
lesmikesell AT gmail DOT com
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