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