From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kay Sievers" Date: Tue, 12 Dec 2006 15:55:04 +0000 Subject: Re: disk/by-label + label-change Message-Id: <3ae72650612120755q4de8369et4f954cdd2d373030@mail.gmail.com> List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: linux-hotplug@vger.kernel.org On 12/12/06, T. Horsnell 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=3D5,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 ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=3Djoin.php&p=3Dsourceforge&CID=DEVD= EV _______________________________________________ Linux-hotplug-devel mailing list http://linux-hotplug.sourceforge.net Linux-hotplug-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-hotplug-devel