Subject: Re: Fw: Raid10
To: dkwok <dkwok@iware.com.au>
From: Greg Oster <oster@cs.usask.ca>
List: port-i386
Date: 06/27/2001 00:42:21
"dkwok" writes:
>
> ----- 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
You don't show the full disklabel, but how many partitions are in the
8 partitions:
line? (I'm betting it just says 4... Bump that to 5 (or 8 or whatever)
and you should be fine...
> > Anyone has experienced setting up raid10 set?
Yup.
Later...
Greg Oster