[linux-lvm] Data on LVM-Partition, how to read it out

[Heinz J . Mauelshagen]

On Sat, Aug 18, 2001 at 01:33:06PM +0100, Joe Thornber wrote:
> On Sat, Aug 18, 2001 at 02:05:26PM +0200, Alexander Bruns wrote:
> > 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!!
> 
> It looks like you've managed to write over the metadata on the start
> of /dev/hdb5 and /dev/hdc5.  You can confirm this by using the pvdata
> command.  If you have then you will need to restore the metadata from
> a backup, look at vg_cfgrestore.

Small typo here: Joe's refering to vgcfgrestore(8).

> 
> - Joe
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-- 

Regards,
Heinz    -- The LVM Guy --

*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***

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Heinz Mauelshagen                                 Sistina Software Inc.
Senior Consultant/Developer                       Am Sonnenhang 11
                                                  56242 Marienrachdorf
                                                  Germany
Mauelshagen at Sistina.com                           +49 2626 141200
                                                       FAX 924446
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