On Tue, Feb 28, 2012 at 09:48:18AM +0800, Fu Liankun wrote: > J. Bruce Fields 写道: > >On Tue, Feb 28, 2012 at 09:32:26AM +0800, Fu Liankun wrote: > >>J. Bruce Fields 写道: > >>>On Mon, Feb 27, 2012 at 02:27:24PM +0800, Fu Liankun wrote: > >>>>J. Bruce Fields 写道: > >>>>>On Wed, Feb 22, 2012 at 06:16:17PM +0800, Fu Liankun wrote: > >>>>>>When copy a big file(about 500MB) to nfs server using pnfs, it cost > >>>>>>obvious longer time as compared with NFSv3 or NFSv4 protocol. > >>>>>> > >>>>>>PNFS cost about 300-550s > >>>>>>NFSv3 cost about 49s > >>>>>>NFSv4 cost about 49s > >>>>>> > >>>>>>My test environment as following: > >>>>>> > >>>>>>MDS: 3.1.0-rc8-pnfs ipaddr1: 192.168.0.100, ipaddr2:192.168.1.100 > >>>>>>DS1: 3.1.0-rc8-pnfs ipaddr1: 192.168.0.101, ipaddr2:192.168.1.101 > >>>>>>DS2: 3.1.0-rc8-pnfs ipaddr1: 192.168.0.102, ipaddr2:192.168.1.102 > >>>>>>client: RHEL6.2GA(2.6.32-220.el6.i686) ipaddr1: 192.168.0.19, > >>>>>What kind of server are you using? > >>>>Sorry for late response. > >>>> > >>>>Fedora14 + 3.1.0-rc8-pnfs > >>>And you're exporting gfs2? > >>No. I'm exporting ext4. > >>Does the file system type would influence the result? > > > >So you're using local-pnfs? Or spnfs? What setup instructions did you > >follow? > > I'm using spnfs. OK, got it. I'm not sure if anyone here can talk about the performance of spnfs. It's not really maintained as far as I know. So, you're the expert. --b. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
