From: | Greg Smith <greg(at)2ndquadrant(dot)com> |
---|---|
To: | Gaël Le Mignot <gael(at)pilotsystems(dot)net> |
Cc: | Ognjen Blagojevic <ognjen(at)etf(dot)bg(dot)ac(dot)yu>, pgsql-performance(at)postgresql(dot)org |
Subject: | Re: SATA drives performance |
Date: | 2009-12-24 16:42:27 |
Message-ID: | 4B3399F3.2000901@2ndquadrant.com |
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Lists: | pgsql-performance |
Gaël Le Mignot wrote:
> This solution costs only one extra disk (which is quite cheap
> nowadays)
I would wager that the system being used here only has enough space to
house 3 drives, thus the question, which means that adding a fourth
drive probably requires buying a whole new server. Nowadays the drives
themselves are rarely the limiting factor on how many people use, since
you can get a stack of them for under $100 each. Instead the limit for
small servers is always based on the physical enclosure and then
potentially the number of available drive ports.
--
Greg Smith 2ndQuadrant Baltimore, MD
PostgreSQL Training, Services and Support
greg(at)2ndQuadrant(dot)com www.2ndQuadrant.com
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