Bug #3554
Updated by Sage Weil over 11 years ago
This is a ceph-deploy installation on Ubuntu 12.04 of ceph version 0.54 (commit:60b84b095b1009a305d4d6a5b16f88571cbd3150)
ubuntu@ceph1:/var/log/ceph$ uptime
17:28:54 up 2 days, 49 min, 1 user, load average: 3.90, 3.31, 3.37
ubuntu@ceph1:/var/log/ceph$ ps -ef | grep ceph- | grep -v grep
root 4335 1 1 Nov26 ? 00:45:52 /usr/bin/ceph-osd --cluster=ceph -i 0 -f
root 4632 1 1 Nov26 ? 00:48:23 /usr/bin/ceph-osd --cluster=ceph -i 1 -f
root 15693 1 0 Nov27 ? 00:04:07 /usr/bin/ceph-mon --cluster=ceph -i ceph1 -f
ubuntu@ceph1:/var/log/ceph$ ls -l
total 7288
-rw------- 1 root root 6705359 Nov 28 17:26 ceph.log
-rw-r--r-- 1 root root 0 Nov 28 06:39 ceph-mon.ceph1.log
-rw-r--r-- 1 root root 0 Nov 28 06:39 ceph-osd.0.log
-rw-r--r-- 1 root root 0 Nov 28 06:39 ceph-osd.1.log
-rw-r--r-- 1 root root 647295 Nov 27 23:37 ceph-mon.ceph1.log.1.gz
-rw------- 1 root root 58496 Nov 27 23:16 ceph.log.1.gz
-rw-r--r-- 1 root root 14885 Nov 27 20:09 ceph-osd.1.log.1.gz
-rw-r--r-- 1 root root 17024 Nov 27 20:09 ceph-osd.0.log.1.gz
ubuntu@ceph1:/var/log/ceph$ sudo ls -l /proc/4335/fd | grep /var/log
l-wx------ 1 root root 64 Nov 28 17:15 6 -> /var/log/ceph/ceph-osd.0.log.1 (deleted)
ubuntu@ceph1:/var/log/ceph$ sudo ls -l /proc/4632/fd | grep /var/log
l-wx------ 1 root root 64 Nov 28 17:15 6 -> /var/log/ceph/ceph-osd.1.log.1 (deleted)
ubuntu@ceph1:/var/log/ceph$ sudo ls -l /proc/15693/fd | grep /var/log
l-wx------ 1 root root 64 Nov 28 17:16 5 -> /var/log/ceph/ceph-mon.ceph1.log.1 (deleted)
We can see that all daemon are still logging to the deleted file probably after a gzip during rotation.