Hi Heinrich,
Heinrich Christian Peters wrote:
> Hello Cody,
>
> Am 06.11.2008 21:22, Cody Dunne schrieb:
>> Heinrich Christian Peters <Heinrich-Peters AT nurfuerspam DOT de> wrote:
>>> I am using BackupPC (3.1.0-4) on Debian Lenny and cygwin with rsync
>>> (3.0.4-1) and ssh on Windows XP. I followed this [1] HOWTO (for Win
>>> 2003). Manual rsync-ing (with & without ssh-tunnel) is working
fine, but
>>> using BackupPC hangs randomly (perhaps like [2]?).
>>> My backup-user in Windows is member of the group backup-operators (or
>>> similar, I am using a German version).
>>>
>>> [1]
>>>
http://backuppc.wiki.sourceforge.net/Workaround+BackupPC+Windows+2003+Hang
>>> [2]
>>>
http://comments.gmane.org/gmane.comp.sysutils.backup.backuppc.general/16775
>> I had a lot of difficulty getting rsync to work over ssh for Windows
clients and ended up creating the tunnels beforehand like your [1]. You
can't use the standard rsync over ssh in BackupPC without doing it over
a premade tunnel.
>>
>> I've been working on an installation guide for XP/Vista from notes
of my process. I wasn't quite ready to share it, but as it might help
you here it is: http://www.cs.umd.edu/~cdunne/projs/backuppc_guide.html
>
> I have found your notes before.
I'm amazed you found it already. They've only been online for a few days :)
I tried it, but I can't get it work. I
> have problems to connect, but I think there is not a big different
> between your method and [1]. The ssh-tunnel is working and I can use the
> by "BackupPC_dump -f -v $name" established tunnel for an other
> rsync-process.
>
> The relevant conifg:
>> $Conf{ClientNameAlias} = 'localhost';
>> $Conf{RsyncdClientPort} = '10012';
>> $Conf{DumpPreUserCmd} = '/etc/backuppc/buildtun $name 22 10012';
>> $Conf{DumpPostUserCmd}= '/usr/bin/pkill -u backuppc -f tun$name';
>> $Conf{RestorePreUserCmd} = '/etc/backuppc/buildtun $name 22 10012';
>> $Conf{RestorePostUserCmd}= '/usr/bin/pkill -u backuppc -f tun$name';
>> $Conf{PingCmd} = 'ping -c 1 -w 3 $name';
>
> with /etc/backuppc/buildtun
>> #!/bin/bash
>> host=$1
>> sshPort=$2
>> locPort=$3
>> remPort=873
>> username=backup
>>
>> /usr/bin/screen -d -m -S tun$host /usr/bin/ssh -q -x -L
$locPort:localhost:873 $username@$host -p $sshPort
>> /bin/sleep 10
>> exit 0
Are /usr/bin/screen... and /bin/sleep 10 on separate lines? If they are,
then the goal of making the ssh tunnel wait until BackupPC starts isn't
accomplished.
I'm not a Linux expert, so this is possibly irrelevant, but why are you
using /usr/bin/screen -d -m -S tun$host? Is it only for being able to
kill the tunnel easily after the backup? If you do the sleep, I don't
think you need screen or the DumpPostUserCmd you have. The tunnel will
close automatically if BackupPC fails to start or once BackupPC finishes
or fails. I also removed the -q from the ssh command for some reason...
but I don't remember now.
> (This is actually a combination of your script and the on in [1]) Btw.
> in your script you have defined a variable username, but you didn't use
> it for the ssh-command.
Thanks for letting me know! I'd appreciate any other additions/fixes you
come up with.
> Thanks,
> Heinrich
Also, I recently changed the exclude lists on my guide to remove
trailing slashes on directories. I was getting problems with really long
temp or cache file names that caused backups to fail silently and I
haven't had the problem since.
My only other ideas for you would be to add -v and and --progress to the
RsyncArgs and run BackupPC_dump like you have been. You could tail
/var/log/rsyncd.log on the client, too.
Perhaps some of the more experienced users here have more insight?
I hope this helps,
Cody
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