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 > > > > > -- .:''''':. .:' ` Sérgio Surkamp | Administrador de Redes :: ........ ser...@gruposinternet.com.br `:. .:' `:, ,.:' *Grupos Internet S.A.* `: :' R. Lauro Linhares, 2123 Torre B - Sala 201 : : Trindade - Florianópolis - SC :.' :: +55 48 3234-4109 : ' http://www.gruposinternet.com.br _______________________________________________ Ocfs2-users mailing list Ocfs2-users@oss.oracle.com http://oss.oracle.com/mailman/listinfo/ocfs2-users
