Further debugging:

On the server I can execute the following command as the backuppc user  
and it completes without error:
> /opt/local/bin/rsync --numeric-ids --perms --owner --group -D -- 
> links --hard-links --times --block-size=2048 --recursive --ignore- 
> times [email protected]:/Users/backuppc .


On the client, I looked in my system logs and for each rsync attempt  
by BackupPC I get an entry that says:

> Aug 11 00:59:26 17369-baker sudo[442]: backuppc : TTY=unknown ; PWD=/ 
> Users/backuppc ; USER=root ; COMMAND=/Network/macports/ppc/bin/rsync  
> --server --sender --numeric-ids --perms --owner --group -D --links -- 
> hard-links --times --block-size=2048 --recursive --ignore-times . / 
> Users/

This, too, is in line with what I'd expect.

The only thing I can think of is that it may do with differing  
versions of ssh being used by client/server. I've installed a custom  
openssh on the client, but it's not in the PATH. I'm investigating how  
to set the path for non-interactive ssh sessions. The usual suspects  
do not work, e.g. .bashrc, .bash_profile, /etc/bashrc, /etc/profile,  
even ssh [email protected] "export PATH=/usr/local/bin:$PATH; echo $PATH"  
does not work.

I'm unsure if this is the issue though.

-james
On Aug 10, 2009, at 3:10 PM, James Kyle wrote:

> I can't figure out why rsync is failing, any tips/hints on how to  
> debug is very much appreciated.
>
> I'm using ssh with pub/private keys.
>
> I can execute any arbitrary command using ssh from server to client  
> (ssh -l backuppc ls / ), I can also manually execute rsync commands  
> from user to client including that generated by backuppc itself.
>> /usr/bin/ssh -x -n -l backuppc foo.local /usr/bin/sudo /Network/ 
>> macports/ppc/bin/rsync  --numeric-ids --perms --owner --group -D -- 
>> links --hard-links --times --block-size=2048 --recursive --ignore- 
>> times . /Users/
>
> With server/sender removed. Of course, without the --sender/--server  
> opts it syncs the local directories of the client.
> I'm unclear on exactly how to "emulate" the backuppc commands  
> manually for testing or where to go form here.
> Below is the sparse log output (cranked all the way up in debug level)
>
>> Contents of file /Volumes/backups/pc/foo.local/XferLOG.bad.z,  
>> modified 2009-08-10 15:05:12 (Extracting only Errors)
>>
>> full backup started for directory /Users Running: /usr/bin/ssh -x - 
>> n -l backuppc foo.local /usr/bin/sudo /Network/macports/ppc/bin/ 
>> rsync -vv --server --sender --numeric-ids --perms --owner --group - 
>> D --links --hard-links --times --block-size=2048 --recursive -- 
>> ignore-times . /Users/ Xfer PIDs are now 79669
>> Rsync command pid is 79669
>> Fetching remote protocol
>> Got remote protocol 30 Negotiated protocol version 28
>> Checksum seed is 1853453170
>> Got checksumSeed 0x6e797372
>> Sent exclude: *Trash* Sent exclude: /proc/* Sent exclude: /dev/*  
>> Sent exclude: *tmp/* Sent exclude: *.ogg Sent exclude: *.tmp Sent  
>> exclude: *temp* Sent exclude: *Music* Sent exclude: *Movies* Sent  
>> exclude: *.avi Sent exclude: *.mov Sent exclude: *.mpg Sent  
>> exclude: *.mpeg Sent exclude: *.qt Sent exclude: *.wma Sent  
>> exclude: .ra Sent exclude: *.au Sent exclude: *.Spotlight-* Sent  
>> exclude: *.DS_Store Sent exclude: *hotfiles.btree Sent exclude: / 
>> var Sent exclude: *.log Sent exclude: *.cpan Sent exclude: */var  
>> Sent exclude: *Caches Sent exclude: *.cache Sent exclude:  
>> *Parallels Sent exclude: /Volumes/* Sent exclude: *sparseimage Sent  
>> exclude: *Downloads* Sent exclude: *VirtualBox/* Sent exclude:  
>> *Support/VMware* Sent exclude: /Network/* Sent exclude: /mach
>> Read EOF:
>> Tried again: got 0 bytes
>> fileListReceive() failed
>> Done: 0 files, 0 bytes Got fatal error during xfer (fileListReceive  
>> failed) Backup aborted (fileListReceive failed)
>> Not saving this as a partial backup since it has fewer files than  
>> the prior one (got 0 and 0 files versus 0)
>
> Cheers,
>
> -jkyl
>


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