From: | u235sentinel <u235sentinel(at)gmail(dot)com> |
---|---|
To: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Dell Poweredge server and Postgres |
Date: | 2010-06-08 02:32:56 |
Message-ID: | 4C0DABD8.7080306@gmail.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-general |
On 06/07/2010 08:01 PM, Scott Marlowe wrote:
>
> Where I work we use these:
>
> http://www.pc-pitstop.com/sata_enclosures/scsas16rm.asp
>
> for when we need lots of throughput (file servers). They allow four
> SAS connectors instead of the typical one or two.
>
> and will be using these:
>
> http://www.aberdeeninc.com/abcatg/kitjbod-1003.htm
>
> for our database servers, where IOPS is far more important than seq speed.
>
> My experience has been that the number of RAID controllers is no where
> near as important as the speed of said RAID controllers. I'd rather
> have a very fast RAID controller handling 16 disks at once, than 4
> mediocre ones handling 4 disks each. The optimal is to have two RAID
> controllers, so you have redundancy. Most decent RAID controllers can
> run RAID-1 across the two and then RAID-0 over those RAID-1 pairs
> (either software or hardware, depending on OS and hardware
> performance).
>
I appreciate it. I'll chat with management about these. Thanks for the tip
From | Date | Subject | |
---|---|---|---|
Next Message | u235sentinel | 2010-06-08 02:34:14 | Re: Dell Poweredge server and Postgres |
Previous Message | Craig Ringer | 2010-06-08 02:25:49 | Re: Re: Error on Windows server could not open relation base/xxx/xxx Permission denied |