Re: [ADMIN] H/W RAID 5 on slower disks versus no raid on faster HDDs

Björn Metzdorf <bm@turtle-entertainment.de>

From: "Bjoern Metzdorf" <bm@turtle-entertainment.de>
To: <pgsql-performance@postgresql.org>
Date: 2002-11-21T19:24:19Z
Lists: pgsql-performance
> A mirrored 2x36 setup will probably yield a marginal hit on writes (vs a
> single disk) and an improvement on reads due to having two drives to read
> from and will (based on the Scientific Wild Ass Guess method and knowing

slightly offtopic:

Does anyone one if linux software raid 1 supports this method (reading from
both disks, thus doubling performance)?

Regards,
Bjoern