| From: | David Boreham <david_list(at)boreham(dot)org> |
|---|---|
| To: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Hardware/OS recommendations for large databases ( |
| Date: | 2005-11-16 14:51:31 |
| Message-ID: | 437B4773.1040404@boreham.org |
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| Lists: | pgsql-performance |
>Spend a fortune on dual core CPUs and then buy crappy disks... I bet
>for most applications this system will be IO bound, and you will see a
>nice lot of drive failures in the first year of operation with
>consumer grade drives.
I guess I've never bought into the vendor story that there are
two reliability grades. Why would they bother making two
different kinds of bearing, motor etc ? Seems like it's more
likely an excuse to justify higher prices. In my experience the
expensive SCSI drives I own break frequently while the cheapo
desktop drives just keep chunking along (modulo certain products
that have a specific known reliability problem).
I'd expect that a larger number of hotter drives will give a less reliable
system than a smaller number of cooler ones.
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