Date: Tue, 16 Oct 2001 09:37:13 +0930 From: Greg Lehey <grog@FreeBSD.org> To: Jim Flournoy <bsdspaceman@yahoo.com> Cc: freebsd-questions@freebsd.org Subject: Re: A missing hard drive + vinum questions Message-ID: <20011016093713.D14629@wantadilla.lemis.com> In-Reply-To: <20011015141623.37210.qmail@web20209.mail.yahoo.com>; from bsdspaceman@yahoo.com on Mon, Oct 15, 2001 at 07:16:23AM -0700 References: <20011015141623.37210.qmail@web20209.mail.yahoo.com>
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On Monday, 15 October 2001 at 7:16:23 -0700, Jim Flournoy wrote:
> Hello. I have 2 4.5G scsi hard drives that I just
> installed FreeBSD 4.3 on. Actually I assume its only
> installed on 1, cause when I type df -m it only shows
> me one of the hard drives.
df only shows mounted file systems, whether or not they're on disk.
> Anyway, can anyone else think of another test to see if the system
> recognized the other drive?
1. Look in dmesg. If you've lost the beginning, the dmesg as of boot
time is in /var/run/dmesg.boot.
2. For SCSI disks only, use 'camcontrol devlist'.
> Also, I'd like to set up mirroring with vinum; because there are
> only 2 hard disks, can anyone tell what state the mirrored disk
> should be in? (aka part of the filesystem or not)
You don't mirror disks, you mirror volumes. Volumes are made of
plexes; you mirror them by having more than one plex in a volume.
Plexes are made of subdisks. Subdisks are parts of drives. Drives
are disk partitions of type vinum. Disk partitions are parts of disk
slices. Disk slices are parts of disks.
> This is the first time that I've set up vinum, so I'm not quite sure
> where I should be coming from.. I appreciate any suggestions!
Have you read the documentation?
Greg
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