Holger Parplies wrote:
> Hi,
>
> Matt Chandler wrote on 2008-08-21 13:30:39 -0500 [Re: [BackupPC-users]
> fileListReceive failed on centos 4.4]:
>
>> Matt Chandler wrote:
>>
>>> [...]
>>> full backup started for directory /
>>> Running: /usr/bin/ssh -q -x -l backuppc sinope /usr/bin/sudo /usr/bin/rsync
>>> --server --sender --numeric-ids --perms --owner --group -D --links
>>> --hard-links --times --block-size=2048 --recursive --one-file-system
>>> --ignore-times . /
>>> Xfer PIDs are now 26423
>>> Got remote protocol 30
>>> Negotiated protocol version 28
>>> Sent exclude: /media
>>> Sent exclude: /mnt
>>> Sent exclude: /proc
>>> Sent exclude: /sys
>>>
>
> this much tells you
> - ssh authentication is working (without prompt or extraneous output)
> - sudo invocation is working (without prompt or welcome message)
> - sudo isn't complaining about requiretty being set ;-).
>
> That's good.
>
>
>>> Here is the config for that machine:
>>>
>
> Thank you for including it. Looks good to me (except that your excludes are
> not specific to a share, so you're excluding '/u01/media', '/u01/mnt',
> '/u01/proc' and '/u01/sys', but that probably does no harm - it's not the
> problem in any case).
>
>
>>> Both machines have the same version of rsync(rsync-3.0.3-1.el4.rf) and
>>>
>
> Note that BackupPC uses File::RsyncP, so the BackupPC server machine is, in
> fact, *not* using 3.0.3. We see a negotiated protocol version 28 above, and
> File::RsyncP reportedly works with rsync version 3, so that is *probably* not
> the issue, though I wouldn't rule it out completely.
>
> Les Mikesell wrote on 2008-08-21 15:11:25 -0500 [Re: [BackupPC-users]
> fileListReceive failed on centos 4.4]:
>
>> [...]
>> Try running the closest 'rsync -essh ...' command you can use
>> from the backuppc server command line as the backuppc user.
>>
>
> Which would be
>
> rsync -e ssh --numeric-ids --perms --owner --group -D --links \
> --hard-links --times --block-size=2048 --recursive --one-file-system \
> --ignore-times --exclude=/media --exclude=/mnt --exclude=/proc \
> --exclude=/sys root@sinope:/ /tmp/foo
>
> Please note:
> We are not testing 'ssh' or 'sudo' - they work (see above). I would actually
> run that as root (locally and remote), because you want a full file list to be
> generated on the remote side (which probably won't work for user backuppc),
> and local warning messages about skipped devices (you aren't excluding /dev -
> you might want to ;-) would only be confusing.
>
> You might even want to choose a copy destination below TopDir instead of
> /tmp/foo, just to have tested writing to the file system in question, though
> BackupPC is quite clearly not getting that far before the error occurs - and
> you are going to interrupt the process once it starts anyway (though / is
> not the bulk of your 100GB, I suppose). The command does not seem to give any
> output, so you'll have to check the copy destination to find out if anything
> is happening. Alternatively, you could add '-P' or '-v' switches, but you'd be
> changing the command, and that could have an influence on whether it works or
> not (probably not, but who knows?).
>
> Regards,
> Holger
>
>
I can run the rsync command on the client machine and it creates root
level directories, but if I try to run it from the backuppc server then
I get:
Disconnecting: Corrupted MAC on input.
rsync: connection unexpectedly closed (1300700 bytes received so far)
[receiver]
rsync error: error in rsync protocol data stream (code 12) at io.c(635)
[receiver=3.0.3]
rsync: connection unexpectedly closed (391 bytes received so far)
[generator]
rsync error: unexplained error (code 255) at io.c(635) [generator=3.0.3]
This is the only circumstance in which I've had any problem with ssh on
either machine. Google suggests that this error is indicative of a
machine-wide ssh problem. I'm able to ssh to the client machine as root
and as the BackupPC user without any errors. Am I to take from these
errors that ssh is breaking and causes the rsync errors that follow?
--
Matt Chandler
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