Arjen van der Meijden <acmmail...@tweakers.net> 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@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
