| From: | William Yu <wyu(at)talisys(dot)com> |
|---|---|
| To: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Arguments Pro/Contra Software Raid |
| Date: | 2006-05-10 02:39:53 |
| Message-ID: | e3rjpt$22ng$1@news.hub.org |
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| Thread: | |
| Lists: | pgsql-general pgsql-performance |
William Yu wrote:
> We upgraded our disk system for our main data processing server earlier
> this year. After pricing out all the components, basically we had the
> choice of:
>
> LSI MegaRaid 320-2 w/ 1GB RAM+BBU + 8 15K 150GB SCSI
>
> or
>
> Areca 1124 w/ 1GB RAM+BBU + 24 7200RPM 250GB SATA
My mistake -- I keep doing calculations and they don't add up. So I
looked again on pricewatch and it turns out the actual comparison was
for 4 SCSI drives, not 8! ($600 for a 15K 145GB versus $90 for a 7200
250GB.) No wonder our decision seemed to much more decisive back then.
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