Re: 12 disks raid setup - Mailing list pgsql-performance

From Mark Kirkwood
Subject Re: 12 disks raid setup
Date
Msg-id 47C88826.4040209@paradise.net.nz
Whole thread Raw
In response to Re: 12 disks raid setup  (Greg Smith <gsmith@gregsmith.com>)
Responses How to allocate 8 disks  (Craig James <craig_james@emolecules.com>)
List pgsql-performance
Greg Smith wrote:
>
> The only real downside of md RAID is that if you lose the boot device
> it can be tricky to get the system to start again; hardware RAID hides
> that little detail from the BIOS.  Make sure you simulate a failure of
> the primary boot drive and are comfortable with recovering from that
> situation before you go into production with md.

+1

I usually ensure there is a separate /boot that is setup RAID1 (with md
using all the disks for the RAID1 - so the I can keep the partition map
the same for all the disks, otherwise it is fiddly!)

Cheers

Mark

pgsql-performance by date:

Previous
From: Vivek Khera
Date:
Subject: Re: 12 disks raid setup
Next
From: "Dan Kaplan"
Date:
Subject: Re: t1.col like '%t2.col%'