| From: | William Yu <wyu(at)talisys(dot)com> |
|---|---|
| To: | Iain <iain(at)mst(dot)co(dot)jp> |
| Cc: | pgsql-admin(at)postgresql(dot)org |
| Subject: | Re: Tyan Thunder MB for postgres server |
| Date: | 2004-12-15 03:33:25 |
| Message-ID: | 41BFB085.6010102@talisys.com |
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| Lists: | pgsql-admin |
Iain wrote:
> Thanks to all for your feedback on this.
>
> I'm looking forward to getting my hands on the system.
>
> It seems that the battery backed cache is an important factor, though I
> havn't found any information specifically concerning this on the tyan
> site. I can't tell if it's an option or standard with the integrated
> SCSI controller.
RAID may be an option with your motherboard. LSI Logic has a MegaRAID
320-0 which interfaces with integrated MB SCSI.
http://www.lsilogic.com/products/megaraid/scsi_320_0.html
They don't list any Tyan's as "certified" so I dunno. Perhaps you should
look into a Tyan w/o integrated SCSI and just get the MegaRAID 320-1 or
320-2 to avoid any possible issues.
> I don't have much experience with building this kind of server (i'm more
> on the development side) but I know basically what I want and that is
> RAID 0+1 and battery backed cache. The target OS is RHEL ES 3 (AMD64
> platform) and I guess that it doesn't matter if the RAID is hardware or
> software (or a combination of both?) but if you think I've missed
> anything, please let me know.
Hardware RAID + battery lets you turn write caching on. For a DB with
lots of updates, it can make a big difference.
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