[linux-lvm] problems with vgscan

Heinz Mauelshagen mauelsha at ez-darmstadt.telekom.de
Sat Mar 25 14:03:04 UTC 2000

Hi Jorg,

thanks for profiding the "vgscan -d" output.

In line 10588 of the trace i was able to see that lv_check_consistency()
finds an inconsistency of the access parameter of logical volume /dev/vg01/usr.

This parameter is almost checked first in lv_check_consistency() so it
could be possible, that your VGDA on disk was accidently destroyed.

To check this assumption could you please provide a "pvdata -a" of all
PVs of vg01?

Please keep the intact backups of the VGDA in /etc/lvmconf/!


> Hello,
> I am experiencing problems while doing a vgscan, attached I have
> included a debug trace for
> details.
> In short this is what I get :
> vgscan -- ERROR "parameter error" with special file /dev/vg01/usr
> vgscan -- ERROR "parameter error" creating volume group directory and
> special files
> vgscan -- ERROR "parameter error" creating "/etc/lvmtab" and
> "/etc/lvmtab.d"
> and I am not able to activate my vg's :-((((.
> My config is:
> 2 disk, complete pv's 
> 1 disk, with 9 linux and dos partitions and 2 pv partitions.
> 3 volume groups 
> 	vg00 complete disk 1
> 	vg02 complete disk 2
> 	vg01 with the two partitions from the remaining disk
> vg00 has one logical volume(home)
> vg01 has two logical volume's(usr and tmp)
> vg02 has one logical volume(lv00)
> When I change the partition ID;s from the pv partitions in vg01, from 8e
> to 83,
> (making then invisible to LVM) vgscan completes normal.
> During the creation of vg01 I renamed one of the lv's but other than
> that I did nothing
> special to it.
> During the creation of vg01 I was able to access the lv but as soon as I
> rebooted 
> the problems began.
> The kernel I am using it 2.3.99.pre2 but found the same problem when
> using 2.3.49.
> If I need to provide more info i'll be more than happy to.
> regards,
> Jorg de Jong.

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Systemmanagement TS                              T-Nova
                                                 Entwicklungszentrum Darmstadt
Heinz Mauelshagen                                Otto-Roehm-Strasse 71c
Senior Systems Engineer                          Postfach 10 05 41
                                                 64205 Darmstadt
mge at EZ-Darmstadt.Telekom.de                      Germany
                                                 +49 6151 886-425

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