| From: | Douglas McNaught <doug(at)mcnaught(dot)org> |
|---|---|
| To: | Greg Stark <gsstark(at)mit(dot)edu> |
| Cc: | Vivek Khera <vivek(at)khera(dot)org>, "Pgsql-Performance ((E-mail))" <pgsql-performance(at)postgresql(dot)org>, PostgreSQL General <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Arguments Pro/Contra Software Raid |
| Date: | 2006-05-10 12:15:22 |
| Message-ID: | 87vesenkit.fsf@suzuka.mcnaught.org |
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| Thread: | |
| Lists: | pgsql-general pgsql-performance |
Greg Stark <gsstark(at)mit(dot)edu> writes:
> Douglas McNaught <doug(at)mcnaught(dot)org> writes:
>> Correct me if I'm wrong, but I've never heard of a 15kRPM SATA drive.
>
> Well, dollar for dollar you would get the best performance from slower drives
> anyways since it would give you more spindles. 15kRPM drives are *expensive*.
Depends on your power, heat and rack space budget too... If you need
max performance out of a given rack space (rather than max density),
SCSI is still the way to go. I'll definitely agree that SATA is
becoming much more of a player in the server storage market, though.
-Doug
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