linux-kernel - Re: The ext3 way of journalling

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Message-Id: <E1JDMeb-0003qH-Mv@be1.7eggert.dyndns.org>
Date:	Fri, 11 Jan 2008 17:22:45 +0100
From:	Bodo Eggert <7eggert@....de>
To:	Matthias Schniedermeyer <ms@...d.de>,
	Tuomo Valkonen <tuomov@....fi>, linux-kernel@...r.kernel.org
Subject: Re: The ext3 way of journalling

Matthias Schniedermeyer <ms@...d.de> wrote:

>> > Don't use udev then. Good old static dev works fine if you have a fixed
>> > set of devices.
>> 
>> It doesn't, with the unpredictable SCSI mapping insanity.
> 
> That what LABEL und UUID-Support in mount is for.
> 
> You label the filesystems (e2label for ext2 and ext3) and use that label to
> mount them
> 
> - fstab -
> LABEL=root  /        xfs     defaults,noatime 0 1
> LABEL=boot  /boot    ext2    defaults,noatime 0 2

What can happen if someone does tune2fs -Lroot /dev/usbstick
and puts that stick into this system?

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