Dear James, Thank you for being quick to help. Yes, I could see all of them: # vgs # lvs # pvs Regards, Khem On Sat, February 28, 2015 7:37 am, James A. Peltier wrote: > > > ----- Original Message ----- > | Dear All, > | > | I am in desperate need for LVM data rescue for my server. > | I have an VG call vg_hosting consisting of 4 PVs each contained in a > | separate hard drive (/dev/sda1, /dev/sdb1, /dev/sdc1, and /dev/sdd1). > | And this LV: lv_home was created to use all the space of the 4 PVs. > | > | Right now, the third hard drive is damaged; and therefore the third PV > | (/dev/sdc1) cannot be accessed anymore. I would like to recover whatever > | left in the other 3 PVs (/dev/sda1, /dev/sdb1, and /dev/sdd1). > | > | I have tried with the following: > | > | 1. Removing the broken PV: > | > | # vgreduce --force vg_hosting /dev/sdc1 > | Physical volume "/dev/sdc1" still in use > | > | # pvmove /dev/sdc1 > | No extents available for allocation > > > This would indicate that you don't have sufficient extents to move the > data off of this disk. If you have another disk then you could try > adding it to the VG and then moving the extents. > > | 2. Replacing the broken PV: > | > | I was able to create a new PV and restore the VG Config/meta data: > | > | # pvcreate --restorefile ... --uuid ... /dev/sdc1 > | # vgcfgrestore --file ... vg_hosting > | > | However, vgchange would give this error: > | > | # vgchange -a y > | device-mapper: resume ioctl on failed: Invalid argument > | Unable to resume vg_hosting-lv_home (253:4) > | 0 logical volume(s) in volume group "vg_hosting" now active > > > There should be no need to create a PV and then restore the VG unless the > entire VG is damaged. The configuration should still be available on the > other disks and adding the new PV and moving the extents should be > enough. > > | Could someone help me please??? > | I'm in dire need for help to save the data, at least some of it if > possible. > > Can you not see the PV/VG/LV at all? > > > -- > James A. Peltier > IT Services - Research Computing Group > Simon Fraser University - Burnaby Campus > Phone : 778-782-6573 > Fax : 778-782-3045 > E-Mail : jpeltier at sfu.ca > Website : http://www.sfu.ca/itservices > Twitter : @sfu_rcg > Powering Engagement Through Technology > "Build upon strengths and weaknesses will generally take care of > themselves" - Joyce C. Lock > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > >