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Re: [linux-lvm] one PV crashed

Quoting "Heinz J . Mauelshagen" <mauelshagen sistina com>:

> dd if=/dev/zero of=/tmp/my_sdg1.vgda bs=1k count=512
> losetup /dev/loop0 /tmp/my_sdg1.vgda
> pvcreate /dev/loop0
> vgcfgrestore -f /etc/lvmconf/vg1.conf -n vg1 /devloop0
> vgscan

----- s n i p -----
[papadoc.root]# dd if=/dev/zero of=/var/my_sdg1.vgda bs=1k count=512
512+0 records in
512+0 records out
[papadoc.root]# losetup /dev/loop0 /var/my_sdg1.vgda
[papadoc.root]# pvcreate /dev/loop0
pvcreate -- physical volume "/dev/loop0" successfully created

[papadoc.root]# vgcfgrestore -f /etc/lvmconf/vg1.conf -n vg1 /dev/loop0
vgcfgrestore -- physical volume "/dev/loop0" doesn't belong to volume group "vg1"

[papadoc.root]# vgcfgrestore -f /etc/lvmconf/vg1.conf -n vg1 -o /dev/sdg1 /dev/loop0
vgcfgrestore -- ERROR "pv_read(): pv_create_name_from_kdev_t" reading physical volume "/dev/loop0"

[papadoc.root]# 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

----- s n i p -----

> pvdisplay -v /dev/loop0

----- s n i p -----
[papadoc.root]# pvdisplay -v /dev/loop0 
pvdisplay -- getting physical volume size
pvdisplay -- ERROR "pv_read(): pv_create_name_from_kdev_t" no VALID physical volume "/dev/loop0"

----- s n i p -----

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