Re: [Duplicity-talk] scp/sftp backup fails (but not consistently)

[Robin Smidsrød]

Robin Smidsrød wrote:
> Kenneth Loafman wrote:
> > From what I can tell, you made it a fair way in the backup process,
> > getting to volume 556 before failing.  This tells me there is no setup
> > or other issue that could be a problem.  What I suspect is that the
> > network itself failed long enough to cause the backup to fail.  Its
> > possible that increasing the number of retries will help, setting
> > --num-retries=20 or higher, for example.
> >   
> I will try that and see if it is able to continue through the 
> problematic period.
I've tried adding --num-retries=20 to the commands, but now I only get this:

Running 'sftp  address@hidden' failed (attempt #1)
Running 'sftp  address@hidden' failed (attempt #2)
Running 'sftp  address@hidden' failed (attempt #3)
Running 'sftp  address@hidden' failed (attempt #4)
Running 'sftp  address@hidden' failed (attempt #5)
Running 'sftp  address@hidden' failed (attempt #6)
Running 'sftp  address@hidden' failed (attempt #7)
Running 'sftp  address@hidden' failed (attempt #8)
Running 'sftp  address@hidden' failed (attempt #9)
Running 'sftp  address@hidden' failed (attempt #10)
Running 'sftp  address@hidden' failed (attempt #11)
Running 'sftp  address@hidden' failed (attempt #12)
Running 'sftp  address@hidden' failed (attempt #13)
Running 'sftp  address@hidden' failed (attempt #14)
Running 'sftp  address@hidden' failed (attempt #15)
Running 'sftp  address@hidden' failed (attempt #16)
Running 'sftp  address@hidden' failed (attempt #17)
Running 'sftp  address@hidden' failed (attempt #18)
Running 'sftp  address@hidden' failed (attempt #19)
Running 'sftp  address@hidden' failed (attempt #20)
Giving up trying to execute 'sftp  address@hidden' after 
20 attempts
Traceback (most recent call last):
 File "/usr/bin/duplicity", line 522, in ?
   with_tempdir(main)
 File "/usr/bin/duplicity", line 516, in with_tempdir
   fn()
 File "/usr/bin/duplicity", line 446, in main
   globals.archive_dir).set_values()
 File "/usr/lib/python2.4/site-packages/duplicity/collections.py", line 
476, in set_values
   backend_filename_list = self.backend.list()
 File 
"/usr/lib/python2.4/site-packages/duplicity/backends/sshbackend.py", 
line 239, in list
   l = self.run_sftp_command(commandline, commands).split('\n')[1:]
 File 
"/usr/lib/python2.4/site-packages/duplicity/backends/sshbackend.py", 
line 203, in run_sftp_command
   raise BackendException("Error running '%s'" % commandline)
duplicity.errors.BackendException: Error running 'sftp  
address@hidden'

Where should I start looking for problems now?

-- Robin