I'm afraid this is a very long post, but I need to describe the situation: I had one disk fail out of two and in trying to restore the home directory on the primary I erased the lvm directory data I was trying to keep: root@localhost-live ~]# pvscan WARNING: Device for PV F3lvXa-42cI-6Tx2-hmSr-3E0M-0PFE-W7kLj1 not found or rejected by a filter. PV /dev/sda2 VG vg_debussy lvm2 [931.00 GiB / 0 free] PV [unknown] VG vg_debussy lvm2 [931.50 GiB / 0 free] Total: 2 [<1.82 TiB] / in use: 2 [<1.82 TiB] / in no VG: 0 [0 ] [root@localhost-live ~]# vgscan Reading volume groups from cache. WARNING: Device for PV F3lvXa-42cI-6Tx2-hmSr-3E0M-0PFE-W7kLj1 not found or rejected by a filter. Found volume group "vg_debussy" using metadata type lvm2 [root@localhost-live ~]# lvs WARNING: Device for PV F3lvXa-42cI-6Tx2-hmSr-3E0M-0PFE-W7kLj1 not found or rejected by a filter. LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert lv_home vg_debussy -wi-----p- 1.75t lv_root vg_debussy -wi-a----- 50.00g lv_swap vg_debussy -wi-ao---- <17.69g [root@localhost-live ~]# lvscan WARNING: Device for PV F3lvXa-42cI-6Tx2-hmSr-3E0M-0PFE-W7kLj1 not found or rejected by a filter. ACTIVE '/dev/vg_debussy/lv_root' [50.00 GiB] inherit inactive '/dev/vg_debussy/lv_home' [1.75 TiB] inherit ACTIVE '/dev/vg_debussy/lv_swap' [<17.69 GiB] inherit [root@localhost-live ~]# pvdisplay WARNING: Device for PV F3lvXa-42cI-6Tx2-hmSr-3E0M-0PFE-W7kLj1 not found or rejected by a filter. --- Physical volume --- PV Name /dev/sda2 VG Name vg_debussy PV Size 931.02 GiB / not usable 24.00 MiB Allocatable yes (but full) PE Size 32.00 MiB Total PE 29792 Free PE 0 Allocated PE 29792 PV UUID KSk5KO-Su5d-H8LO-a8t0-s8gH-WdWA-DXQZTr --- Physical volume --- PV Name [unknown] VG Name vg_debussy PV Size 931.51 GiB / not usable 12.00 MiB Allocatable yes (but full) PE Size 32.00 MiB Total PE 29808 Free PE 0 Allocated PE 29808 PV UUID F3lvXa-42cI-6Tx2-hmSr-3E0M-0PFE-W7kLj1
So at this point I tried to get rid of the disk that was no longer there - BIG MISTAKE! root@localhost-live ~]# vgreduce --removemissing --force vg_debussy WARNING: Device for PV F3lvXa-42cI-6Tx2-hmSr-3E0M-0PFE-W7kLj1 not found or rejected by a filter. WARNING: Removing partial LV vg_debussy/lv_home. Logical volume "lv_home" successfully removed Wrote out consistent volume group vg_debussy. [root@localhost-live ~]# pvdisplay --- Physical volume --- PV Name /dev/sda2 VG Name vg_debussy PV Size 931.02 GiB / not usable 24.00 MiB Allocatable yes PE Size 32.00 MiB Total PE 29792 Free PE 27626 Allocated PE 2166 PV UUID KSk5KO-Su5d-H8LO-a8t0-s8gH-WdWA-DXQZTr [root@localhost-live ~]# lvscan ACTIVE '/dev/vg_debussy/lv_root' [50.00 GiB] inherit ACTIVE '/dev/vg_debussy/lv_swap' [<17.69 GiB] inherit OK I got a blank disk and tried to recreate the missing PV: [root@localhost-live ~]# pvcreate --uuid "F3lvXa-42cI-6Tx2-hmSr-3E0M-0PFE-W7kLj1" --restorefile /etc/lvm/archive/vg_debussy_00000-611197733.vg /dev/sdc1 Couldn't find device with uuid F3lvXa-42cI-6Tx2-hmSr-3E0M-0PFE-W7kLj1. WARNING: ext4 signature detected on /dev/sdc1 at offset 1080. Wipe it? [y/n]: y Wiping ext4 signature on /dev/sdc1. Physical volume "/dev/sdc1" successfully created. [root@localhost-live ~]# pvscan PV /dev/sda2 VG vg_debussy lvm2 [931.00 GiB / 863.31 GiB free] PV /dev/sdc1 lvm2 [<1.82 TiB] Total: 2 [<2.73 TiB] / in use: 1 [931.00 GiB] / in no VG: 1 [<1.82 TiB] [root@localhost-live ~]# pvdisplay --- Physical volume --- PV Name /dev/sda2 VG Name vg_debussy PV Size 931.02 GiB / not usable 24.00 MiB Allocatable yes PE Size 32.00 MiB Total PE 29792 Free PE 27626 Allocated PE 2166 PV UUID KSk5KO-Su5d-H8LO-a8t0-s8gH-WdWA-DXQZTr "/dev/sdc1" is a new physical volume of "<1.82 TiB" --- NEW Physical volume --- PV Name /dev/sdc1 VG Name PV Size <1.82 TiB Allocatable NO PE Size 0 Total PE 0 Free PE 0 Allocated PE 0 PV UUID F3lvXa-42cI-6Tx2-hmSr-3E0M-0PFE-W7kLj1 So - vgcfgrestore should work now? - NO! [root@localhost-live ~]# vgcfgrestore vg_debussy -f /etc/lvm/archive/vg_debussy_00000-611197733.vg Cannot restore Volume Group vg_debussy with 1 PVs marked as missing. Restore failed. So there is nothing missing but the PV is still marked as missing?? I'm stuck I have simply no idea how to proceed. DS
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