Date: Wed, 10 Jun 2009 15:29:29 +0300 From: Valentin Bud <valentin.bud@gmail.com> To: dhaneshk k <dhaneshkk@hotmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: glabel(8) a gmirror(8) doesn't work Message-ID: <139b44430906100529n3d7e93e2kd209731b2da498e0@mail.gmail.com> In-Reply-To: <SNT111-W144E729948B05926330687B2450@phx.gbl> References: <139b44430906092312y2a16cb58o3248c1ac9c3f497d@mail.gmail.com> <SNT111-W144E729948B05926330687B2450@phx.gbl>
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On Wed, Jun 10, 2009 at 3:20 PM, dhaneshk k <dhaneshkk@hotmail.com> wrote: > List members; > > http://www.freebsd.org/doc/en/books/handbook/geom-glabel.html > > Starting with FreeBSD 7.2, the glabel(8)<http://www.FreeBSD.org/cgi/man.cgi?query=glabel&sektion=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? > Well yes you are right. The point of labeling the partitions was/is to make the names more easier to remember IMO. Remembering a string (the ufsid) is not quite my specialty. Anyway thanks for the heads up. v > > > > > > > From: valentin.bud@gmail.com > > Date: Wed, 10 Jun 2009 09:12:47 +0300 > > To: freebsd-questions@freebsd.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 > > following > > procedure: > > 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 > > metadata > > 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 > > are > > 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 :). > > > > thanks, > > v > > > > -- > > network warrior since 2005 > > _______________________________________________ > > freebsd-questions@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > > To unsubscribe, send any mail to " > freebsd-questions-unsubscribe@freebsd.org" > > ------------------------------ > Get easy photo sharing with Windows LiveT Photos. Drag n' drop<http://www.microsoft.com/india/windows/windowslive/photos.aspx>; > -- network warrior since 2005
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