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? --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