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Date: Sun, 20 Jan 2013 14:27:45 -0700 (MST)
From: Warren Block <wblock@wonkity.com>
To: Ralf Mardorf <ralf.mardorf@rocketmail.com>
Subject: Re: ext3 file system
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On Sun, 20 Jan 2013, Ralf Mardorf wrote:

> is it possible to mount Linux ext3 file systems with fstab by label?
> Before I run mount -a /mnt/dump had the same permissions, owner and group as 
> /mnt/archlinux has got. Is it possible to keep this? Both are Linux ext3 fs. 
> Mounting without a label does work.
>
> root@freebsd:/usr/home/rocketmouse # cat /etc/fstab
> # Device		Mountpoint	FStype	Options		Dump Pass
> /dev/ad4s1b		none		swap	sw		0	0
> /dev/ad4s1a		/		ufs	rw		1	1
> /dev/ad4s1e		/tmp		ufs	rw		2	2
> /dev/ad4s1f		/usr		ufs	rw		2	2
> /dev/ad4s1d		/var		ufs	rw		2	2
> /dev/acd0		/cdrom		cd9660	ro,noauto	0	0
> #proc                   /proc           procfs  rw              0       0
> /dev/ada0s8             /mnt/dump       ext2fs  rw              0       0
> #/dev/label/dump         /mnt/dump       ext2fs  rw              0       0
> #/dev/label/archlinux    /mnt/archlinux  ext2fs  rw              0       0
>
> root@freebsd:/usr/home/rocketmouse # ls -l /mnt
> total 6
> drwxr-xr-x  2 rocketmouse  wheel   512 Jan 20 20:51 archlinux
> drwxrwxrwx  2 root         wheel  4096 Jan 20 20:09 dump
> root@freebsd:/usr/home/rocketmouse # ls -l / | grep mnt
> drwxr-xr-x    4 root  wheel      512 Jan 20 20:51 mnt
>
> I still search the Internet, but had bad luck until now.
>
> If I run 'gpart show -l' I can't see what /dev archlinux is, it doesn't show 
> Linux labels, so I need to restart and boot Linux to see at what position it 
> is, to figure out what /dev/ada*s* archlinux is.

'gpart show -l' shows GPT labels, but that only works on a GPT disk. 
This disk is clearly MBR.  If ext3 filesystem labels show up, they would 
be under /dev/ext2fs.  See glabel(8).