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Date: Wed, 16 Nov 2011 22:20:13 -0800
Message-ID: <CAGJrxsRvPQCxDKnFiYQk=Gp+YN41OwNx8Xxp93597xg3MvOXOA@mail.gmail.com>
Subject: Re: [gentoo-user] LVM and LABELS in fstab
From: Manuel McLure <manuel@mclure.org>
To: gentoo-user@lists.gentoo.org
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On Wed, Nov 16, 2011 at 6:52 PM, Dale <rdalek1967@gmail.com> wrote:
> OK. =C2=A0I jumped into LVM. =C2=A0I took my spare drive, put it to use w=
ith LVM.
> =C2=A0Then copied data from my super large drive to it and backed up some=
to DVDs
> that wouldn't fit. =C2=A0Then I put the big drive on LVM and put the stuf=
f back.
> =C2=A0Now comes the problem. =C2=A0I use LABELS in fstab and would like t=
o continue
> that. =C2=A0I can't figure out how to get the LABEL set for the LVM file =
system
> tho. =C2=A0This is my info:
>
...
> root@fireball / # lvdisplay
> =C2=A0--- Logical volume ---
> =C2=A0LV Name =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0/dev=
/data/data1
> =C2=A0VG Name =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0data
> =C2=A0LV UUID =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Zvsg=
H6-PI0M-NqVd-op9P-Crsy-IEnz-iKoTfp
> =C2=A0LV Write Access =C2=A0 =C2=A0 =C2=A0 =C2=A0read/write
> =C2=A0LV Status =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0available
> =C2=A0# open =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 1
> =C2=A0LV Size =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0931.=
00 GiB
> =C2=A0Current LE =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 238336
> =C2=A0Segments =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 2
> =C2=A0Allocation =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 inherit
> =C2=A0Read ahead sectors =C2=A0 =C2=A0 auto
> =C2=A0- currently set to =C2=A0 =C2=A0 256
> =C2=A0Block device =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 254:0
>
> root@fireball / #
>
>
> I tried e2label since it has ext4 for the file system. =C2=A0It didn't wo=
rk and I
> don't know for sure what to point it to for the device. =C2=A0I can't poi=
nt to
> the drive itself since there are now two in the setup.
>
> What am I missing here? =C2=A0It's simple I'm sure but I'm missing it.
You should be able to use e2label (or "tune2fs -L" as I do) on the
/dev/data/data1 device to set the filesystem label. That's the logical
volume that the operating system needs to mount.
# tune2fs -L mylabel /dev/data/data1
should do what you need.
I haven't done this with ext4, but I have used LVM with ext2, ext3 and
labels in this fashion.
--=20
Manuel A. McLure WW1FA <manuel@mclure.org> <http://www.mclure.org>
...for in Ulthar, according to an ancient and significant law,
no man may kill a cat.=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0 -- H.P. Lovecraft