[linux-lvm] pvscan cant find my volume..

Hjalmar Wåhlander grazzy at quake.swe.net
Wed Nov 12 06:47:02 UTC 2003


You guys got me nervous there for a while. 280gb of data down the drain? Nope.
I solved my problem with cfdisk ( fdisk would probably have done aswell ), 
I took my chances and rewrote the partition table ( an empty 
one            ), then pvcreate -ff and vgcfgrestore .. phew. Back online.

I hope someone can be helped with this solution.

At 22:59 2003-11-11, you wrote:
>As stated in a eariler message, I also tried this:
>[root at mircosoft /mnt]# cp /etc/lvmconf/the_data.conf /etc/lvmtab.d/the_data
>[root at mircosoft /mnt]# echo -ne "the_data\0" > /etc/lvmtab
>[root at mircosoft /mnt]# vgchange -ay the_data
>vgchange -- ERROR: physical volume "/dev/hdc" of volume group "the_data" 
>is offline
>vgchange -- run vgscan
>At 22:49 2003-11-11, you wrote:
>>This started out when I rebooted my machine. Prior to the reboot I ran 
>>fsck on the lvm-filesystem and got quite alot of errors.
>>My vg contains three hdds:
>>hdc, hde and hdf.
>>[root at mircosoft /mnt]# vgscan
>>vgscan -- reading all physical volumes (this may take a while...)
>>vgscan -- ERROR "vg_read_with_pv_and_lv(): current PV" can't get data of 
>>volume group "the_data" from physical volume(s)
>>vgscan -- "/etc/lvmtab" and "/etc/lvmtab.d" successfully created
>>vgscan -- WARNING: This program does not do a VGDA backup of your volume 
>>This error I've seen quite a few times in this list, however, as many 
>>replies are suggesting - running "pvcreate -ff" - does not help.
>>[root at mircosoft /mnt]# pvcreate -ff /dev/hdc
>>pvcreate -- device "/dev/hdc" has a partition table
>>And, to my surprise, dmesg, reports that hdc has a hdc1 (not that I can 
>>remember ever creating one... ), but anyway, how can I bypass this?
>>Some extras:
>>[root at mircosoft /mnt]# pvdisplay /dev/hdc
>>pvdisplay -- no physical volume identifier on "/dev/hdc"
>>(But it works fine on hde and hdf).
>>Im very grateful for any help!
>>linux-lvm mailing list
>>linux-lvm at sistina.com
>>read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>linux-lvm mailing list
>linux-lvm at sistina.com
>read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/

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