Starting with FreeBSD 7.2, the glabel(8) class
supports a new label type for UFS file
systems, based on the unique file system id, ufsid.
Is the above clause applicable in this case ? instead of using tunefs -L
can we use# glabel status ?
and can use the ufsid labels of /dev/ufsid/ and edit /etc/fstab entries
for the partitions?
> From: valentin....@gmail.com
> Date: Wed, 10 Jun 2009 09:12:47 +0300
> To: firstname.lastname@example.org
> Subject: glabel(8) a gmirror(8) doesn't work
> Hello community,
> Yesterday I have installed FBSD 7.2-RELEASE. I have installed on a mirror
> created with gmirror(8). All I have modified on this system is that I have
> updated the sources, rebuild the world and kernel and of course install.
> I have named the mirror system0 and all worked well. Now the problem
> is that i want to glabel the partitions on the mirror so i have followed the
> 1. reboot to single user
> 2. mount -a
> 3. tunefs -L var /dev/mirror/system0s1d
> This commands exits with "Failed to write superblock".
> After reading the man of gmirrror(8) and glabel(8) i have noticed that both
> of them
> store metadata on the last sector of the provider. From this results that
> what I want
> to do is not possible, at least my logic tells me that. Since gmirror wrote
> to the last sector of the provider, glabel tries to rewrite it and the
> system stops the
> process to protect the filesystem. But then again for gmirror the providers
> the two hdd i use for mirroring and for glabel the provider is the mirror
> itself. That's
> again what my logic tells me. So i think there is some kind of separation
> between the
> two modules and things should work.
> I have searched a bit but couldn't find any relevant info on labeling a
> mirror. I just
> want to know if this is possible and if it's not I'd like to understand why.
> Labeling a partition is not a must-have but it's sure nice :).
> network warrior since 2005
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