Re: [BackupPC-users] Need Help Configuring a backuppc

My setup is very similar to yours where I have an old 2.6.8 kernel running on a mini-itx machine 800mhz with gig of memory in it. I did have similar problems trying to backup my snow leopard osx mac via rsync. It would just stop with various client has aborted the process. What I did in the end was try to do directories where it had stopped ONLY (ie include files only setting in config) and try to illimunate any problem files. Also although backuppc uses 2.8 protocol I had read on various rsync forums that the later versions were more efficient in the way they do things with the tree structures so I upgraded all my rsync machines to 3.7 and touch wood that seemed to sort the problem. I have just finished doing a full backup of my laptop after 10 hours and 46gb later, worked a treat.

One thing I found with the laptop also was that it would go to sleep when on batteries and that would drop the wifi and hence the rsync would stop.

Hope that helps.

Les Mikesell wrote:

On 2/2/2010 11:25 AM, Mark Phillips wrote:

    This means that rsync or ssh crashed on the client side.  Likely reasons
    are being out of memory or file system errors.


Les,

top shows:

top - 10:23:03 up 1 day,  2:50,  2 users,  load average: 0.44, 0.58, 0.54
Tasks: 149 total,   3 running, 146 sleeping,   0 stopped,   0 zombie
Cpu(s): 10.0%us,  3.3%sy,  0.0%ni, 77.7%id,  6.7%wa,  1.0%hi,  1.3%si,
0.0%st
Mem:   1034344k total,  1018476k used,    15868k free,     3656k buffers
Swap:  2000052k total,    20724k used,  1979328k free,   540424k cached

So I should have enough memory, or at least swap space? I will check the
file system. Thanks!

Rsync has a certain amount of memory overhead per file in the tree - at 
least for version < 3.x and I'm not sure if the newer versions are 
better when talking to backuppc which will downgrade the xfer protocol 
anyway.  One other possibility is that if you are connected through NAT 
or a firewall there can be long periods of inactivity when rsync looks 
for mismatching files that can make the connection time out and be dropped.

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