Re: Tuning PostgreSQL

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От
Bruno Wolff III
Тема
Re: Tuning PostgreSQL
Дата
Msg-id
20030722171033.GB2686@wolff.to
Ответ на
Re: Tuning PostgreSQL (Vincent van Leeuwen)
Список
Дерево обсуждения
Re: Tuning PostgreSQL Vivek Khera <khera@kcilink.com>
Re: Tuning PostgreSQL Ron Johnson <ron.l.johnson@cox.net>
Re: Tuning PostgreSQL "scott.marlowe" <scott.marlowe@ihs.com>
Re: Tuning PostgreSQL Ron Johnson <ron.l.johnson@cox.net>
Re: Tuning PostgreSQL "scott.marlowe" <scott.marlowe@ihs.com>
Re: Tuning PostgreSQL Ron Johnson <ron.l.johnson@cox.net>
Re: Tuning PostgreSQL "scott.marlowe" <scott.marlowe@ihs.com>
Re: Tuning PostgreSQL Ron Johnson <ron.l.johnson@cox.net>
Re: Tuning PostgreSQL, pt 2 Ron Johnson <ron.l.johnson@cox.net>
Re: Tuning PostgreSQL Will LaShell <will@lashell.net>
On Tue, Jul 22, 2003 at 11:40:35 +0200,
  Vincent van Leeuwen  wrote:
> 
> About RAID types: the fastest RAID type by far is RAID-10. However, this will
> cost you a lot of useable diskspace, so it isn't for everyone. You need at
> least 4 disks for a RAID-10 array. RAID-5 is a nice compromise if you want as
> much useable diskspace as possible and still want to be redundant. RAID-1 is
> very useful for small (2-disk) arrays.

Note that while raid 10 requires 4 disks, you get the space of 2 disks.
This is the same ratio as for raid 1.
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Сообщение: Wrong plan or what ?
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