LVM资源回收流程

lvremove /dev/VG_NAME/LV_NAMEvgreduce VG_NAME /dev/sdxvgremove VG_namepvremove /dev/sdx

bash$ lvs  LV   VG  Attr       LSize    Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert  lv0  vg0 -wi-ao---- <217.50t                                                    bash$ umount /dev/vg0/lv0

bash$ lvremove /dev/vg0/lv0 Do you really want to remove and DISCARD active logical volume vg0/lv0? [y/n]: y  Logical volume "lv0" successfully removedbash$ lvsbash$

bash$ vgs  VG  #PV #LV #SN Attr   VSize    VFree     vg0   4   0   0 wz--n- <217.50t <217.50tbash$ pvs  PV         VG  Fmt  Attr PSize   PFree    /dev/vdb   vg0 lvm2 a--  <30.00t <30.00t  /dev/vdc   vg0 lvm2 a--  <62.50t <62.50t  /dev/vdd   vg0 lvm2 a--  <62.50t <62.50t  /dev/vde   vg0 lvm2 a--  <62.50t <62.50tbash$ vgreduce vg0 /dev/vdb  Removed "/dev/vdb" from volume group "vg0"bash$ vgreduce vg0 /dev/vdc  Removed "/dev/vdc" from volume group "vg0"bash$ vgreduce vg0 /dev/vdd  Removed "/dev/vdd" from volume group "vg0"bash$ vgreduce vg0 /dev/vde  Can't remove final physical volume "/dev/vde" from volume group "vg0"bash$ vgs  VG  #PV #LV #SN Attr   VSize   VFree    vg0   1   0   0 wz--n- <62.50t <62.50tbash$ vgremove vg0   Volume group "vg0" successfully removedbash$ vgsbash$

bash$ pvs  PV         VG Fmt  Attr PSize  PFree   /dev/vdb      lvm2 ---  30.00t 30.00t  /dev/vdc      lvm2 ---  62.50t 62.50t  /dev/vdd      lvm2 ---  62.50t 62.50t  /dev/vde      lvm2 ---  62.50t 62.50tbash$ pvremove /dev/vdb  Labels on physical volume "/dev/vdb" successfully wiped.bash$ pvremove /dev/vdc  Labels on physical volume "/dev/vdc" successfully wiped.bash$ pvremove /dev/vdd  Labels on physical volume "/dev/vdd" successfully wiped.bash$ pvremove /dev/vde  Labels on physical volume "/dev/vde" successfully wiped.