Date: Thu, 19 Apr 2007 22:15:22 +0200 From: =?ISO-8859-1?Q?Nagy_L=E1szl=F3_Zsolt?= <nagylzs@freemail.hu> To: L Goodwin <xrayv19@yahoo.com>, freebsd-questions@freebsd.org Subject: Re: Samba and RAID 1 using gmirror on 2 new disks Message-ID: <4627CDDA.909@freemail.hu> In-Reply-To: <14876.14778.qm@web58105.mail.re3.yahoo.com> References: <14876.14778.qm@web58105.mail.re3.yahoo.com>
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*L Goodwin wrote:
>
> Both assume you only have 2 drives and want to mirror the drive
containing FreeBSD. I only want to mirror the data drive da1, and would
appreciate a concise set of steps for doing this right the first time.
1. First of all, you should install the base system on da0 and boot it.
(Leave da1 and da2 untouched)
2. Create a slice on da1 ("fdisk"). The name of the new slice will
probably be "da1s1". (You will find this inside sysinstall) I found that
sometimes I had to use a bit smaller slice than the available space,
because equally looking disks are not always equal. (Not kidding!)
3. Use disklabel editor to add partitions to the slice
(/dev/da1s1a,/dev/da1s1b,/dev/da1s1c etc.) and format them with newfs as
needed.
4. Change loader.conf, add this line:
geom_mirror_load="YES"
5. Execute these:
gmirror load
gmirror label -v -b round-robin gm0 /dev/da1
6. Carefully rename all references in /etc/fstab
/dev/da1s1X becomes /dev/mirror/gm0s1X (where X can be a,b,c,d etc.)
7. Reboot
8. Check your mirror with "gmirror list" and "gmirror status", and see
if your filesystems are mounted with "df".
9. Add da2 to your mirror with this command:
gmirror insert gm0 /dev/da2
Please ask others, as I did not try this and I'm not 100% sure it will
work. But I think it should.
Best,
Laszlo
*
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