On 8/22/10 11:59 AM, Xuo wrote:
> Le 22/08/2010 18:07, Les Mikesell a écrit :
>> On 8/22/10 10:24 AM, Xuo wrote:
>>> Hi,
>>>
>>> I try to use backuppc with rsync to backup files of one client (ordi3)
>>> onto the backuppc server (ordi4) .
>>> I get the following error message :
>>>
>>> 2010-08-21 20:48:14 Got fatal error during xfer (Child exited prematurely)
>>> 2010-08-21 20:48:19 Backup aborted (Child exited prematurely)
>>> 2010-08-21 20:48:19 Saved partial dump 0
>>>
>>> To debug, I tried to run the same command manually from the server
>>> backuppc account (I do not have permission to run ssh as root user, nor
>>> from the server, neither from the client).
>>>
>>> /usr/bin/ssh -q -x -l backuppc ordi3 sudo /usr/bin/rsync --server
>>> --sender --numeric-ids --perms --owner --group -D --links --hard-links
>>> --times --block-size=2048 --recursive --ignore-times . /
>>>
>>> Nothing happens. The command does not do anything. I do not have any
>>> error message. I need to Ctrl-C to stop it.
>>>
>>> To debug again, I run the command without the --server and --sender options.
>>>
>>>> From the server, I ran :
>>> /usr/bin/ssh -q -x -l backuppc ordi3 sudo /usr/bin/rsync --numeric-ids
>>> --perms --owner --group -D --links --hard-links --times
>>> --block-size=2048 --recursive --ignore-times -av /home/eric/tmp/sources
>>> ./tmp
>>>
>>> Then files are successfully copied locally onto ordi3 (the client)
>>> without being prompted for any password.
>>>
>>>> From the client, I ran :
>>> /usr/bin/ssh -q -x -l backuppc ordi4 sudo /usr/bin/rsync --numeric-ids
>>> --perms --owner --group -D --links --hard-links --times
>>> --block-size=2048 --recursive --ignore-times -av /var/lib/backuppc
>>> /tmp/tmpbck
>>>
>>> Then files are successfully copied locally onto ordi4 (the server)
>>> without being prompted for any password.
>>>
>>> It means that there is someting wrong with the --server and --sender
>>> options but I don't know what.
>>>
>>> Does anybody have any idea to solve the problem.
>> The --server and --sender options aren't something you use with a normal
>> rsync
>> command. They are internally passed from the local to remote instance - you
>> just see them in backuppc because the rsync is implemented internally in
>> perl.
>>
>> Did you get any files in that partial backup run? If so, you might have a
>> network problem or something causing the remote rsync to hang.
> Hi,
>
> No, I do not have any partial backup at all.
> Then it could be permissions problem for example.
> Which user is running the rsync command from the server. Is it the user
> 'backuppc' or 'root' ?
>
It runs as backuppc on the server side (thus using the private side of the key
belonging to the backuppc user). Normally it passes '-l root' in the command
to run as root on the remote side, unless you've made some changes to run as a
normal user or use the sudo command to become root on the remote.
--
Les Mikesell
lesmikesell AT gmail DOT com
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