Re: Integrated perc 5/i

Поиск
Список
Период
Сортировка
От Decibel!
Тема Re: Integrated perc 5/i
Дата
Msg-id 20070816195110.GO54309@nasby.net
обсуждение исходный текст
Ответ на Re: Integrated perc 5/i  ("Steinar H. Gunderson" <sgunderson@bigfoot.com>)
Список pgsql-performance
On Thu, Aug 16, 2007 at 07:59:15PM +0200, Steinar H. Gunderson wrote:
> On Thu, Aug 16, 2007 at 10:53:00AM -0700, Luke Lonergan wrote:
> > They have a setting that sounds like RAID10, but it actually
> > implements spanning of mirrors.
>
> That's interesting. I'm pretty sure it actually says "RAID10" in the BIOS,
> but is this a lie?

Unless they use the "plus notation" (ie: RAID 1+0 or RAID 0+1), you
never truly know what you're getting.

BTW, there's other reasons that RAID 0+1 stinks, beyond just
performance.
--
Decibel!, aka Jim Nasby                        decibel@decibel.org
EnterpriseDB      http://enterprisedb.com      512.569.9461 (cell)

Вложения

В списке pgsql-performance по дате отправления:

Предыдущее
От: Frank Schoep
Дата:
Сообщение: Re: Bad planner decision - bitmap scan instead of index
Следующее
От: tyrrill_ed@emc.com
Дата:
Сообщение: Re: Integrated perc 5/i