RAID Stripe size

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От bm\\mbn
Тема RAID Stripe size
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Msg-id 1126871503.157442.314670@g49g2000cwa.googlegroups.com
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Ответы Re: RAID Stripe size  (John A Meinel <john@arbash-meinel.com>)
Re: RAID Stripe size  (evgeny gridasov <eugrid@fpm.kubsu.ru>)
Re: RAID Stripe size  (Alex Turner <armtuk@gmail.com>)
Список 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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