On 2012-02-28 03:53, J. Bruce Fields wrote: > 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. True. spnfs is unsupported and not maintained by anybody. Sorry. Benny > > 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 -- 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
