I'd also vote for RAID-5, best disk utilization, good on read, bad on
writes, performance is good due to stripping
If you can get some hardware raid to do the job (vs software raid) than
performance gets better...an HBA board as low as $150 will (at least) double
your speed
Medi
On Mon, Jul 7, 2
On Mon, Jun 30, 2008 at 3:30 PM, Thomas Bräutigam <
[EMAIL PROTECTED]> wrote:
> Hello all,
>
> I have a pretty huge Postgres DB, about 1,3 to 1,5 Terra. What do you guys
> recommend on RAID Levels for this Database. Which does Postgres recommend,
> and with which do Postgres run very good or in t
ADMIN] Recommended RAID for Postgres
On Mon, Jun 30, 2008 at 03:15:34PM +0200, Thomas Bräutigam wrote:
> Why avoid RAID5? I though that would be good? Can you explain this?
RAID5 has a lot of disadvantages, especially in terms of performance.
.oO(There was a link posted recently...)
> Writing i
On Montag, 30. Juni 2008 Thomas Bräutigam wrote:
> Why avoid RAID5?
RAID5 has very poor WRITE performance compared to RAID10, while READ is
nearly the same speed.
If you do not have a "branded" server like HP or IBM, I can recommend
the Areca RAID controllers http://www.areca.com.tw/ their driv
On Mon, Jun 30, 2008 at 03:15:34PM +0200, Thomas Bräutigam wrote:
> Why avoid RAID5? I though that would be good? Can you explain this?
RAID5 has a lot of disadvantages, especially in terms of performance.
.oO(There was a link posted recently...)
> Writing in the DB, I add about 5-10 GB of data
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Tino Schwarze
Sent: Montag, 30. Juni 2008 14:53
To: pgsql-admin@postgresql.org
Subject: Re: [ADMIN] Recommended RAID for Postgres
On Mon, Jun 30, 2008 at 02:30:23PM +0200, Thomas Bräutigam wrote:
> I have a pre
On Mon, Jun 30, 2008 at 02:30:23PM +0200, Thomas Bräutigam wrote:
> I have a pretty huge Postgres DB, about 1,3 to 1,5 Terra.
Thats plenty of data.
> What do you guys recommend on RAID Levels for this Database. Which
> does Postgres recommend, and with which do Postgres run very good or
> in th
