*** This bug is a duplicate of bug 1630516 ***
https://bugs.launchpad.net/bugs/1630516
** This bug has been marked a duplicate of bug 1630516
Logrotate fails repeatedly with /etc/cron.daily/logrotate: error: error
creating output file /var/log/... File exists run-parts:
/etc/cron.daily/logrotate exited with return code 1
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https://bugs.launchpad.net/bugs/1646818
Title:
logrotate randomly fails with 'File exists'
Status in logrotate package in Ubuntu:
New
Bug description:
I have a bunch of Ubuntu 14.04 cloud-based servers and they randomly
and intermittently fail during logrotate (3.8.7-1ubuntu1) with the
following email being returned via cron:
/etc/cron.daily/logrotate:
error: error creating output file /var/log/syslog.1.gz: File exists
run-parts: /etc/cron.daily/logrotate exited with return code 1
Once in this state, it appears that the affected log(s) never get
rotated from then on, resulting in the disk gradually filling up:
$ ls -l /var/log/syslog*
-rw-r----- 1 syslog adm 728263740 Dec 2 12:41 /var/log/syslog
-rw-r----- 1 syslog adm 16794619 Oct 19 05:17 /var/log/syslog.1
-rw-r----- 1 syslog adm 704512 Oct 20 05:16 /var/log/syslog.1.gz
-rw-r----- 1 syslog adm 1361774 Oct 18 05:05 /var/log/syslog.2.gz
-rw-r----- 1 syslog adm 1367745 Oct 17 05:01 /var/log/syslog.3.gz
-rw-r----- 1 syslog adm 1347087 Oct 16 04:50 /var/log/syslog.4.gz
-rw-r----- 1 syslog adm 1331506 Oct 15 04:50 /var/log/syslog.5.gz
-rw-r----- 1 syslog adm 1349794 Oct 14 05:10 /var/log/syslog.6.gz
-rw-r----- 1 syslog adm 1359010 Oct 13 05:10 /var/log/syslog.7.gz
Note that I also sometimes get an error report "gzip: stdin: file size
changed while zipping" which may or may not be related.
These servers are not related and have very minimal changes from an
out-of-the-box Ubuntu server 14.04 bare install (basically: bind9,
postfix, python3 and unattended-upgrades are installed and
configured), so this is presumably affecting all Ubuntu users and
would seem quite serious. Disks filling up can prevent services
running of course, but also prevent security patches being applied so
this is effectively a security issue.
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