What versions of all the Ceph pieces are you using? (Kernel client/ceph-fuse, MDS, etc) Can you provide more details on exactly what the program is doing on which nodes? -Greg On Fri, Jan 9, 2015 at 5:15 PM, Lorieri <lorieri@xxxxxxxxx> wrote: > first 3 stat commands shows blocks and size changing, but not the times > after a touch it changes and tail works > > I saw some cephfs freezes related to it, it came back after touching the files > > coreos2 logs # stat deis-router.log > File: 'deis-router.log' > Size: 148564 Blocks: 291 IO Block: 4194304 regular file > Device: 0h/0d Inode: 1099511628780 Links: 1 > Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root) > Access: 2015-01-10 01:13:00.100582619 +0000 > Modify: 2015-01-10 01:13:00.100582619 +0000 > Change: 2015-01-10 01:13:00.000000000 +0000 > Birth: - > coreos2 logs # stat deis-router.log > File: 'deis-router.log' > Size: 152633 Blocks: 299 IO Block: 4194304 regular file > Device: 0h/0d Inode: 1099511628780 Links: 1 > Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root) > Access: 2015-01-10 01:13:00.100582619 +0000 > Modify: 2015-01-10 01:13:00.100582619 +0000 > Change: 2015-01-10 01:13:00.000000000 +0000 > Birth: - > coreos2 logs # stat deis-router.log > File: 'deis-router.log' > Size: 155763 Blocks: 305 IO Block: 4194304 regular file > Device: 0h/0d Inode: 1099511628780 Links: 1 > Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root) > Access: 2015-01-10 01:13:00.100582619 +0000 > Modify: 2015-01-10 01:13:00.100582619 +0000 > Change: 2015-01-10 01:13:00.000000000 +0000 > Birth: - > > coreos2 logs # touch deis-router.log > > coreos2 logs # stat deis-router.log > File: 'deis-router.log' > Size: 155763 Blocks: 305 IO Block: 4194304 regular file > Device: 0h/0d Inode: 1099511628780 Links: 1 > Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root) > Access: 2015-01-10 01:13:46.961858103 +0000 > Modify: 2015-01-10 01:13:46.961858103 +0000 > Change: 2015-01-10 01:13:46.000000000 +0000 > Birth: - > > On Fri, Jan 9, 2015 at 11:11 PM, Lorieri <lorieri@xxxxxxxxx> wrote: >> Hi, >> >> I have a program that tails a file and this file is create on another machine >> >> some tail programs does not work because the modification time is not >> updated in the remote machines >> >> I've find this old thread >> http://permalink.gmane.org/gmane.comp.file-systems.ceph.devel/11001 >> >> it mentions the problem and suggest ntp sync >> >> I tried to re-sync ntp and restart the ceph cluster, but the issue persists >> >> do you know if it is possible to avoid this behavior ? >> >> thanks >> -lorieri > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com