Hi, Here we go:
OCFS2 version: 1.6.3-2ubuntu3~ppa3 (Ubuntu HA maintainers version for 10.04 LTS) Filesytem options: tunefs.ocfs2 -Q "Block size = %B\nCluster size = %T\nCompat flags = %M\nIncompat flags = %H\nRO compat flags = %O\nNumSlots = %N\n" /dev/drbd0 Block size = 4096 Cluster size = 4096 Compat flags = backup-super strict-journal-super Incompat flags = sparse extended-slotmap userspace-stack inline-data xattr indexed-dirs RO compat flags = unwritten NumSlots = 2 Mount info: /dev/drbd0 on /var/scans type ocfs2 (rw,_netdev,noatime,cluster_stack=pcmk) Regards, Dirk Op 4-4-2012 14:01, Sérgio Surkamp schreef: > Hello, > > Please provide the ocfs2 version that you are using with the mount > options and filesystem creation options (see -Q parameter from > tunefs.ocfs2). > > Regards, > Sérgio > > Em Tue, 03 Apr 2012 20:37:25 +0200 > Dirk Bonenkamp - ProActive <d...@proactive.nl> escreveu: > >> Hi, >> >> I've did the --stats thing: >> >> Number of files: 1495981 >> Number of files transferred: 2944 >> Total file size: 201701039047 bytes >> Total transferred file size: 613318155 bytes >> Literal data: 613292255 bytes >> Matched data: 25900 bytes >> File list size: 24705311 >> File list generation time: 0.001 seconds >> File list transfer time: 0.000 seconds >> Total bytes sent: 118692 >> Total bytes received: 638195567 >> >> sent 118692 bytes received 638195567 bytes 154163.57 bytes/sec >> total size is 201701039047 speedup is 315.99 >> >> This took a staggering 69 minutes, over a Gb connection, useing rsync >> direcly (no ssh overhead) >> >> To compare this, this is a similar backup, only this is an ext3 >> filesystem over a 100 Mbit connection, using an ssh shell: >> >> Number of files: 6486854 >> Number of files transferred: 0 >> Total file size: 506568034168 bytes >> Total transferred file size: 0 bytes >> Literal data: 0 bytes >> Matched data: 0 bytes >> File list size: 153625912 >> File list generation time: 0.001 seconds >> File list transfer time: 0.000 seconds >> Total bytes sent: 335 >> Total bytes received: 153627330 >> >> sent 335 bytes received 153627330 bytes 419175.08 bytes/sec >> total size is 506568034168 speedup is 3297.38 >> Total backup took 368 seconds. >> Rsync took 368 seconds. >> >> (I left the -q switch in this the first time... oeps, so this is the >> second run. It took 1315 seconds (21 minutes) the first time, >> transferring about 10.000 files). >> >> Any ideas? >> >> Kind regards, >> >> Dirk >> >> >> Op 3-4-2012 11:26, Eduardo Diaz - Gmail schreef: >>> For backup I use a local copy using tar, but I use rsync too. >>> >>> I don't compare but if you send any stadistics about rsync we can >>> said more information. >>> >>> use rsync **--stats >>> >>> I don't note difernt speed, but did you make a full rsync, and show >>> --progress for see that file it is going at what speed? >>> >>> regards >>> ** >>> >>> On Mon, Apr 2, 2012 at 9:04 PM, Dirk Bonenkamp - ProActive >>> <d...@proactive.nl <mailto:d...@proactive.nl>> wrote: >>> >>> Hi All, >>> >>> I'm currently testing a OCFS2 set-up, and I'm having issues with >>> creating backups. >>> >>> I have a 2 node cluster, running OCFS2 on a dual primary DRBD >>> device. >>> >>> The file system is 3.7Tb of which 211 Gb is used: about 1.5 >>> million files in 95 directories. >>> >>> Everything works fine, except for the backups, which are taking >>> way more >>> time than on 'regular' file systems. >>> >>> I'm using rsync for my backups. When I rsync the file system >>> above, this >>> takes more than an hour, without any modifications to the file >>> system. >>> >>> Network / disk speed is good. I can rsync a 10 Gb file from the >>> OCFS2 filesystem to the same backup server with just under 100 Mb/s. >>> >>> I know there is some penalty to be expected from a clustered >>> file system, but this is al lot. Rsyncing an ext3 file system double >>> the size >>> (in Mb's and files) of this file system takes about 600 >>> seconds... >>> >>> Has anybody some advice on a backup strategy for me? Or some >>> tuning tips? >>> >>> Thanks in advance, >>> >>> Dirk >>> >>> -- >>> <http://www.proactive.nl> >>> T 023 - 5422299 >>> F 023 - 5422728 >>> >>> www.proactive.nl <http://www.proactive.nl> >>> <http://www.proactive.nl> >>> >>> >>> >>> _______________________________________________ >>> Ocfs2-users mailing list >>> Ocfs2-users@oss.oracle.com <mailto:Ocfs2-users@oss.oracle.com> >>> http://oss.oracle.com/mailman/listinfo/ocfs2-users >>> >>> > >
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