PostgreSQL data on a NAS device ?

From: "Alexander Priem" <ap(at)cict(dot)nl>
To: <pgsql-performance(at)postgresql(dot)org>
Subject: PostgreSQL data on a NAS device ?
Date: 2003-10-20 07:12:35
Message-ID: 006101c396d9$8995a060$b696a8c0@APR
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Hi all,

Does anyone have any experience with putting PostgreSQL data on a NAS
device?

I am asking this because a NAS device is much cheaper to set up than a
couple of SCSI disks. I would like to use a relatively cheap NAS device
which uses four IDE drives (7.200 rpm), like the Dell PowerVault 725N. The
disks themselves would be much slower than SCSI disks, I know, but a NAS
device can be equipped with 3 Gb of memory, so this would make a very large
disk cache, right? If this NAS would be dedicated only to PostgreSQL, would
this be slower/faster than a SCSI RAID-10 setup of 6 disks? It would be much
cheaper...

Any advice on this would be appreciated :)

Kind regards,
Alexander Priem.

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