The URL of the result is http://98.129.214.99/bonnie/report.html (sorry if this was a repost) On Tue, Feb 17, 2009 at 2:04 AM, Rajesh Kumar Mallah <mallah.rajesh@xxxxxxxxx> wrote: > BTW > > our Machine got build with 8 15k drives in raid10 , > from bonnie++ results its looks like the machine is > able to do 400 Mbytes/s seq write and 550 Mbytes/s > read. the BB cache is enabled with 256MB > > sda6 --> xfs with default formatting options. > sda7 --> mkfs.xfs -f -d sunit=128,swidth=512 /dev/sda7 > sda8 --> ext3 (default) > > it looks like mkfs.xfs options sunit=128 and swidth=512 did not improve > io throughtput as such in bonnie++ tests . > > it looks like ext3 with default options performed worst in my case. > > regds > -- mallah > > > NOTE: observations made in this post are interpretations by the poster > only which may or may not be indicative of the true suitablity of the > filesystem. > > > > On Mon, Feb 16, 2009 at 7:01 PM, Gregory Stark <stark@xxxxxxxxxxxxxxxx> wrote: >> Arjen van der Meijden <acmmailing@xxxxxxxxxxxx> writes: >> >>> When we purchased our Perc 5/e with MD1000 filled with 15 15k rpm sas disks, my >>> colleague actually spend some time benchmarking the PERC and a ICP Vortex >>> (basically a overclocked Adaptec) on those drives. Unfortunately he doesn't >>> have too many comparable results, but it basically boiled down to quite good >>> scores for the PERC and a bit less for the ICP Vortex. >>> IOMeter sequential reads are above 300MB/s for the RAID5 and above 240MB/s for >>> a RAID10 (and winbench99 versions range from 400+ to 600+MB/s). >> >> FWIW those are pretty terrible numbers for fifteen 15k rpm drives. They're >> about what you would expect if for a PCI-X card which was bus bandwidth >> limited. A PCI-e card should be able to get about 3x that from the drives. >> >> -- >> Gregory Stark >> EnterpriseDB http://www.enterprisedb.com >> Ask me about EnterpriseDB's RemoteDBA services! >> >> -- >> Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) >> To make changes to your subscription: >> http://www.postgresql.org/mailpref/pgsql-performance >> > -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
