Re: [BackupPC-users] BackupPC

Initial backups on the new server would take longer than what you're seeing with the established server which only needs to do changes after having done the initial full. Your new server has already done the initial backups of your host and it's the subsequent backups that are taking so long?

But on this topic, my new server seems slow, with only a 3-4 MB/s speed rating on a GB network (Windows backup over SMB). Is this normal? What kind of speeds should I be expecting?

On Thu, Jul 5, 2012 at 7:12 AM, jonas <jonas AT freesources DOT org> wrote:

Hello,

recently we were forced to re-setup a large BackupPC-server with up to
150 clients and 5.0TB (12 disks in RAID10). This was several weeks ago.

Unfortunately the server has problems keeping up with the backups since
then. (see
http://sourceforge.net/mailarchive/message.php?msg_id=29433950) Even
after enabling rsync checksum caching and playing around with raising or
lowering MaxBackups, MaxPendingCmds, the server doesn't scale as
expected. And just for the record: before the re-setup, it managed the
same amount of backups and the same hosts.

Now while comparing BackupPC logs to another big BackupPC-server on our
side, I recognized that BackupPC-Link takes ages for every backupped
host on the new server, while it's incredibly fast on the other BackupPC
server.

Even for hosts with several 100GB of data, BackupPC_Link takes only few
minutes on the old BackupPC server. On the new (re-setup) one, it takes
several hours up to days for backupped hosts.

Do you have any idea or suggestions why BackupPC_Link takes that long
and how we can change it?

Best regards,
jonas

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Exclusive live event will cover all the ways today's security and 
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Re: [BackupPC-users] BackupPC_Link takes ages