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Re: [Duplicity-talk] AssertionError: time not moving forward at appropri


From: edgar . soldin
Subject: Re: [Duplicity-talk] AssertionError: time not moving forward at appropriate pace - system clock issues?
Date: Thu, 06 May 2010 19:05:39 +0200
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.9) Gecko/20100317 Thunderbird/3.0.4

just a wild guess. If your using an older python, maybe recent 2.6 does it for you?

also there was this change (2nd wild guess)
http://bazaar.launchpad.net/~duplicity-team/duplicity/0.6-series/revision/643
you could manually edit 'duplicity/dup_time.py' and check if it helps

.. ede

On 06.05.2010 17:55, Kenneth Loafman wrote:
No changes in a long while to this piece of code:
     if dup_time.curtime == dup_time.prevtime:
         time.sleep(2)
         dup_time.setcurtime()
         assert dup_time.curtime != dup_time.prevtime, "time not moving \
                forward at appropriate pace - system clock issues?"

Either time.sleep() is not working on your system, or time in general is
not getting updated.  Either way, duplicity will not run because time is
not progressing.  Running at this point would screw up way too much.

...Ken

Joel Carter wrote:
Hello all.

Any tips on diagnosing what I have going on here?

#  export PASSPHRASE=$(cat /root/DUPLICITY_PASSPHRASE) ; export
AWS_ACCESS_KEY_ID=$(cat /root/AWS_ACCESS_KEY_ID) ; export
AWS_SECRET_ACCESS_KEY=$(cat /root/AWS_SECRET_ACCESS_KEY) ;
NAME=`hostname -s` ; duplicity --exclude-filelist
/root/DUPLICITY_EXCLUDES full /
s3+http://$AWS_ACCESS_KEY_ID.duplicity/$NAME/
Reading filelist /root/DUPLICITY_EXCLUDES
Sorting filelist /root/DUPLICITY_EXCLUDES
Local and Remote metadata are synchronized, no sync needed.
Last inc backup left a partial set, restarting.
Last full backup date: Wed Apr 21 01:23:41 2010
Traceback (most recent call last):
   File "/usr/bin/duplicity", line 1239, in ?
     with_tempdir(main)
   File "/usr/bin/duplicity", line 1232, in with_tempdir
     fn()
   File "/usr/bin/duplicity", line 1214, in main
     incremental_backup(sig_chain)
   File "/usr/bin/duplicity", line 474, in incremental_backup
     assert dup_time.curtime != dup_time.prevtime, "time not moving
forward at appropriate pace - system clock issues?"
AssertionError: time not moving forward at appropriate pace - system
clock issues?

I've got ntpd running and 0.6.08b:

# ntpstat
synchronised to NTP server (69.164.197.199) at stratum 3
    time correct to within 60 ms
    polling server every 1024 s

# duplicity --version
duplicity 0.6.08b

This is a Linode XEN VPS, any change that could have implications?

Thanks, Joel.


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