Warning: ALL DATA ON LOGICAL VOLUMES, VOLUME GROUPS and PHYSICAL VOLUMES WILL BE LOST!
1.Unmount file system
[root@rifle ~]# umount /mirrored_data2.Remove logical volume
[root@rifle ~]# umount /mirrored_data[root@rifle ~]# lvremove /dev/vg_mirror/lv_mirror
Do you really want to remove active logical volume vg_mirror/lv_mirror? [y/n]: y
Logical volume "lv_mirror" successfully removed
3.Remove physical volumes from the volume group and delete volume group
Check what we have:
[root@rifle ~]# vgs
VG #PV #LV #SN Attr VSize VFree
centos_rifle 1 2 0 wz--n- <7.00g 0
vg_mirror 2 0 0 wz--n- 3.98g 3.98g
vg_mydata 2 1 0 wz--n- <1.54g 32.00m
Now for vg_mirror I have 2 PV and no one LV (remember step 2)
Remove /dev/sdd from vg_mirror:
[root@rifle ~]# vgreduce vg_mirror /dev/sdd
Removed "/dev/sdd" from volume group "vg_mirror"
Note: the disk now can be used in another Volume Group.
Remove disk from the Logical Volume Manager:
[root@rifle ~]# pvremove /dev/sdd
Labels on physical volume "/dev/sdd" successfully wiped.
Delete volume group vg_mirror:
[root@rifle ~]# vgremove vg_mirror
Volume group "vg_mirror" successfully removed
[root@rifle ~]# pvs
PV VG Fmt Attr PSize PFree
/dev/sda2 centos_rifle lvm2 a-- <7.00g 0
/dev/sdb vg_mydata lvm2 a-- 1.03g 0
/dev/sdc vg_mydata lvm2 a-- 516.00m 32.00m
/dev/sde lvm2 --- 2.00g 2.00g
Now I have /dev/sde which does not belong to any Volume Group. Free it:
[root@rifle ~]# pvremove /dev/sde
Labels on physical volume "/dev/sde" successfully wiped.
All Logical Volumes, Volume Groups and Physical Volumes now deleted
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