From: "Kay Sievers" <kay.sievers@vrfy.org>
To: linux-hotplug@vger.kernel.org
Subject: Re: disk/by-label + label-change
Date: Tue, 12 Dec 2006 15:55:04 +0000 [thread overview]
Message-ID: <3ae72650612120755q4de8369et4f954cdd2d373030@mail.gmail.com> (raw)
In-Reply-To: <E1Gu9g7-001DrH-HV@alf1.lmb.internal>
On 12/12/06, T. Horsnell <tsh@mrc-lmb.cam.ac.uk> wrote:
> If a disk with a persistence-entry in /dev/disk/by-label
> is re-labelled with tune2fs, the by-label entry isnt
> updated to match the new label and when the disk is mounted
> with a 'mount -L ',
You are writing to a raw sector of the disk, no part of the system
will notice that you did this and have changed something. You need to
tell the kernel to emit an event by doing:
echo "add" > /sys/block/sda/uevent
and the link will get updated.
> the mounted-device shows up as something
> like:
>
> [root@dev1 ~]# mount
> /dev/hdb2 on / type ext3 (rw)
> proc on /proc type proc (rw)
> sysfs on /sys type sysfs (rw)
> devpts on /dev/pts type devpts (rw,gid=5,modeb0)
> tmpfs on /dev/shm type tmpfs (rw)
> none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
> sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
> >>>> /dev/.tmp-8-17 on /test type ext3 (rw)
>
> Is this as it should be?
Looks like you mounted the device with a PROGRAM rule, right? This is
definitely not what it "should be". :)
Kay
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next prev parent reply other threads:[~2006-12-12 15:55 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-12 15:36 disk/by-label + label-change T. Horsnell
2006-12-12 15:55 ` Kay Sievers [this message]
2006-12-12 17:51 ` T. Horsnell
2006-12-12 18:34 ` Kay Sievers
2006-12-13 15:36 ` T. Horsnell
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