Re: Software RAID

From: <jwadell@acsalaska.net>
Date: Tue Sep 26 2006 - 15:04:07 AKDT

Swap also stripes, so performance is better with swap on several disks. That being said, if you are heavy into swap, your are dead anyway!

Jim

----- Original Message -----
From: Adam Bultman <adamb@glaven.org>
Date: Tuesday, September 26, 2006 2:34 pm
Subject: Re: Software RAID

> NOOO!!!
>
> Swap goes on Swap. You do NOT set up swap on software RAID.
>
> You take say, hda1 and make it type fd, and you make hda2 type swap.
> You take say, hdb1 and make it type fd, and you make hdb2 type swap.
>
> Then, in /etc/fstab, you specify the swap partitions on both.
>
> If you put swap on a RAID1 setup, you'll nuke performance and
> that's what
> you need with swap.- it'll be syncing every single write to swap,
> and swap
> isn't somethingyou need to make redundant. Just make enough swap on
> each
> drive and mount 'em anyway. If it dies, it dies.
>
>
> Adam
>
> On Tue, 26 Sep 2006, Damien Hull wrote:
>
> > Does swap need to be on a RAID partition?
> >
> > I'm doing software RAID 1 on Ubuntu Dapper. I couldn't get it to
> work> the first time. The screen says I need to reboot :-) . Maybe
> it's> working now.
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Received on Tue Sep 26 15:04:32 2006

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