[linux-lvm] volume group not found????
Alexander Bruns
a.bruns at sauerland.de
Mon Aug 13 01:26:30 UTC 2001
Hi,
> It looks like you have hit the bug 193 in bugzilla.
>
Okey, I read about this Bug. But where do i found a way to get on my
data on the lvm-partition?
Greetings, Alex
> /Magnus
>
> Alexander Bruns wrote:
>
> > Hi,
> >
> > I am new to this group an new to lvm. I reinstalled my personal
server
> > with redhat 7.1 an wanted to get lvm run over my three large
discs.
> >
> > I had the following things running for a short while:
> >
> > - RedHat 7.1 with all updates.
> > - self-compiled Kernel 2.4.6 with patched lvm 0.9.1_beta7
> >
> > On my first HD Igave the rest space to hda7 with fdisk and set the
> > partition to "8e" lvm.
> >
> > The i followed the howto at sistina at:
> > file://sistina.com/lvm/doc/lvm_howto/Common_tasks.html
> >
> >
> > - I initalized the Partition:
> > pvcreate /dev/hda7
> >
> > - I added the partition to a new volume group:
> > vgcreate lvm_volume_01 /dev(hda7
> >
> > - then o activated the volume group:
> > vgchange -a y lvm_volume_01
> >
> > - The I put a logical volume on the volume group:
> > lvcrate -L50G -nlvm_lv_01 lvm_volume_01
> >
> > This logical Volume was then at /dev/lvm_volume_01/lvm_lv_01 and o
> > formated it woith reiserfs an mounted it! Evething runs fine.
> >
> > I copied the old contents of hdb5 and hdc5 of the smaller HDs to
this
> > logical volume. on hda7.
> >
> >
> >
> > Then I added deleted the partition on hdc5, made a new one, set it
to
> > 8e an added it to the volume group as explained at:
> > file://sistina.com/lvm/doc/lvm_howto/Common_tasks.html
> >
> >
> > pvcreate /dev/hdc5
> > vgextend lvm_volume_01
> > lvextend -L30G /dev/lvm_volume_01/lvm_lv_01
> > resize_reiserfs -f /dev/lvm_volume_01/lvm_lv_01
> >
> > That was all fine and i could mount the lvm_lv_01 without any
> > problems.
> >
> >
> > The same I then wanted to manage with the thirt HD at hdb5, but
then
> > something went wrong??
> >
> > Resize reiserfs did something but when i wanted to mount the LV it
did
> > not work. reiserfs-checks did not found a problem but the
mount-binary
> > told my something about a superblock......
> >
> >
> > Abter a reboot I now have the following:
> >
> > [root at holodeck lvmconf]# pvdisplay /dev/hda7
> > pvdisplay
> > --- Physical volume ---
> > PV Name /dev/hda7
> > VG Name lvm_volume_01
> > PV Size 48.54 GB / NOT usable 1.06 MB [LVM: 169 KB]
> > PV# 1
> > PV Status available
> > Allocatable yes (but full)
> > Cur LV 1
> > PE Size (KByte) 4096
> > Total PE 12425
> > Free PE 0
> > Allocated PE 12425
> > PV UUID cFFBJX-aqxr-P7kU-71OY-pgpX-rvtA-XxVpoc
> >
> > But for /dev/hdb5 and /ev/hdc5 it does not show the same.
NOTHING!!
> >
> >
> >
> > And becouse I did not write anything to the volumegroup or logical
> > volume after the added two partition al my data must still be on
hda7.
> > But how do I manage to get on it?
> >
> > The following commands say the folling:
> > #####################################################
> >
> >
> >
> > [root at holodeck lvmconf]# vgscan
> > vgscan
> > vgscan -- reading all physical volumes (this may take a while...)
> > vgscan -- "/etc/lvmtab" and "/etc/lvmtab.d" successfully created
> > vgscan -- WARNING: This program does not do a VGDA backup of your
> > volume group
> >
> > lvm_volume_01 is not found
> >
> > [root at holodeck lvmconf]# vgchange -a y lvm_volume_01
> > vgchange
> > vgchange -- volume group "lvm_volume_01" does not exist
> >
> >
> >
> > [root at holodeck lvmconf]# ls -al /dev/lvm*
> > crw-r----- 1 root root 109, 0 Jul 20 16:39 /dev/lvm
> >
> > /dev/lvm_volume_01:
> > insgesamt 88
> > dr-xr-xr-x 2 root root 4096 Jul 20 23:06 .
> > drwxr-xr-x 15 root root 81920 Jul 28 13:12 ..
> > crw-r----- 1 root disk 109, 0 Jul 20 23:02 group
> > brw-rw---- 1 root disk 58, 0 Jul 20 23:06 lvm_lv_01
> >
> >
> > [root at holodeck lvmconf]# ls -al /dev/lvm_volume_01/
> > insgesamt 88
> > dr-xr-xr-x 2 root root 4096 Jul 20 23:06 .
> > drwxr-xr-x 15 root root 81920 Jul 28 13:12 ..
> > crw-r----- 1 root disk 109, 0 Jul 20 23:02 group
> > brw-rw---- 1 root disk 58, 0 Jul 20 23:06 lvm_lv_01
> >
> >
> >
> >
> > SHIT!
> >
> > How do I get on my Data at lvm_volume_01 bzw lvm_lv_01.
> > lvm_lv_01 was formated with reiserfs
> >
> >
> >
> > Greetings from Germany from Alex
> >
> > _______________________________________________
> > linux-lvm mailing list
> > linux-lvm at sistina.com
> > http://lists.sistina.com/mailman/listinfo/linux-lvm
> > read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html
> >
> > _______________________________________________
> > linux-lvm mailing list
> > linux-lvm at sistina.com
> > http://lists.sistina.com/mailman/listinfo/linux-lvm
> > read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html
> >
> >
>
>
>
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