I set up a BackupPC server with several clients (1 MacPro, 2 MacBooks, 2 Linux 
PC and 2 Linux laptops). All clients are connected via Gigabit LAN with full 
speed. My server is an AMD Sempron 2.2 GHz, 1 GB RAM, 4 x 750 MB SATA 
harddisks connected by LVM and Debian Lenny.

Everthing works perfect, but : Backup Speed is very low, for all machines 
between 3 and 10 MB/s. I tried all options: with or without compression, 
rsync, rsyncd, tar. Without any enhancement. All basic speed performances are 
perfect : HD speed, LAN speed.

That takes me to my question : The full backup size of my MacPro is about 1.6 
TB. It took 2250 minutes or 1.5 days with 9 MB/s to make a full backup and I 
had to not switch off the MacPro during that time. An incremental backup took 
about 100 minutes - that was ok. But after 7 incremental backups BackupPC is 
now trying to make another full backup. But since the MacPro is only running 
during daytime, it does not come to an end.

How is the right way to deal with that ? Is it possible or makes it sense to 
avoid additional full backups ?

Thanks a lot for any help.

Reinhold


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