Re: Hardware
От | Andrew Sullivan |
---|---|
Тема | Re: Hardware |
Дата | |
Msg-id | 20070206161438.GD26733@phlogiston.dyndns.org обсуждение исходный текст |
Ответ на | Hardware (Walter Vaughan <wvaughan@steelerubber.com>) |
Список | pgsql-general |
On Tue, Feb 06, 2007 at 10:59:21AM -0500, Walter Vaughan wrote: > > Is this still true in regards to Xeon's? I was looking at a server with > Quad Core Xeon 2 5335 @ 2.0GHz. Multi-core Xeons are not as affected, and are somewhat different "under the hood". So no, you're probably ok there. > Are RAID 1 or 1+0 or 0+1 equal in speed, performance, downtime in regards > to postgresql. Is it a coin toss? Well, 1 isn't equivalent to 1+0 or 0+1 in terms of capacity, because it's a straight mirror of two drives. I hate 0+1, because you lose half the array in the event any disk in the side fails. So I always use 1+0 if I can. A -- Andrew Sullivan | ajs@crankycanuck.ca The plural of anecdote is not data. --Roger Brinner
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