RAID Stripe size - Mailing list pgsql-performance

From bm\\mbn
Subject RAID Stripe size
Date
Msg-id 1126871503.157442.314670@g49g2000cwa.googlegroups.com
Whole thread Raw
Responses Re: RAID Stripe size
Re: RAID Stripe size
Re: RAID Stripe size
List pgsql-performance
Hi Everyone

The machine is IBM x345 with ServeRAID 6i 128mb cache and 6 SCSI 15k
disks.

2 disks are in RAID1 and hold the OS, SWAP & pg_xlog
4 disks are in RAID10 and hold the Cluster itself.

the DB will have two major tables 1 with 10 million rows and one with
100 million rows.
All the activities against this tables will be SELECT.

Currently the strip size is 8k. I read in many place this is a poor
setting.

Am i right ?


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