Subject: Fw: Raid10
To: None <port-i386@netbsd.org>
From: dkwok <dkwok@iware.com.au>
List: port-i386
Date: 06/27/2001 13:47:01
----- Original Message -----
From: dkwok <dkwok@iware.com.au>
To: <port-i386@netbsd.org>
Sent: Tuesday, June 26, 2001 2:19 PM
Subject: Raid10


> I am running NetBSD-1.5.1_BETA2.
>
> I am building a Raid10 set which consists of 4 ide disks, wd0, wd1, wd2 &
> wd3. Wd0 & Wd2 are in a pair and wd 1 & wd3 are in a pairs.
>
> First I build raid1 set as follows:
> wd0 & wd2
> a:     500M         0   4.2BSD  1024 8192 16
> c:  30000M        0   unused
> d:  30000M        0   unused
> e:       500M 500M  RAID      # swap disk   - raid0
> f:    20000M 1000M RAID     # /  - raid1
> g:   27000M  30000M RAID   # strip - raid2
>
> wd1 & wd3
>
> c: 15000M   0   unused
> d: 15000M   0   unused
> e:  15000M   0  RAID              # strip -raid3
>
> The configuration of raid1 for raid0, raid1, raid2, raid3 is ok. Then I am
> stuck as to how to configure the disklabel of raid2 & raid3 for stripping.
> I have man page, it is very brief on the makeup of raid.conf for raid on
> raid. However my problem is that I cannot setup the disklabel of raid2 and
> raid3 by assigning e partition for raid as this:
>
> raid2
> d:  27000M   0   unused
> e:  27000M   0    RAID
> raid3
> d:  15000M   0   unused
> e:  15000M   0    RAID
> When I replace the disklabel by doing disklabel -R -r raid2
> /root/disklabel.raid2, I got the error message saying:
>
> disklabel: warning: unused partition e: size 27000M offset 0
>
> Anyone has experienced setting up raid10 set?
>
> David kwok
>
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