[root@localhost ~]# lvdisplay --- Logical volume --- LV Path /dev/vg_root/lv_opt LV Name lv_opt VG Name vg_root LV UUID 24eBV3-UY8L-Yuel-2jKm-VlDC-sQMV-zQODY7 LV Write Access read/write LV Creation host, time localhost, 2018-11-15 14:32:30 +0800 LV Status available # open 1 LV Size <15.50 GiB Current LE 3967 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 8192 Block device 253:1 --- Logical volume --- LV Path /dev/vg_root/lv_tmp LV Name lv_tmp VG Name vg_root LV UUID 73xbdz-RV5j-ifd0-npSE-g2Ut-6P52-dHyhaZ LV Write Access read/write LV Creation host, time localhost, 2018-11-15 14:32:32 +0800 LV Status available # open 1 LV Size 4.00 GiB Current LE 1024 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 8192 Block device 253:2 --- Logical volume --- LV Path /dev/vg_root/lv_home LV Name lv_home VG Name vg_root LV UUID 7TzF7z-l4eL-LcZl-Dv6h-nfCC-3Ysd-HnhNqb LV Write Access read/write LV Creation host, time localhost, 2018-11-15 14:32:34 +0800 LV Status available # open 1 LV Size 4.00 GiB Current LE 1024 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 8192 Block device 253:3 --- Logical volume --- LV Path /dev/vg_root/lv_var LV Name lv_var VG Name vg_root LV UUID fnck2V-dYdH-3h0R-qXai-Y1pz-YoDn-Xd1t0c LV Write Access read/write LV Creation host, time localhost, 2018-11-15 14:32:35 +0800 LV Status available # open 1 LV Size 10.00 GiB Current LE 2560 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 8192 Block device 253:4 --- Logical volume --- LV Path /dev/vg_root/lv_root LV Name lv_root VG Name vg_root LV UUID leRKJl-a7xF-k5pH-uCcl-3fHa-m6Os-gVDW07 LV Write Access read/write LV Creation host, time localhost, 2018-11-15 14:32:37 +0800 LV Status available # open 1 LV Size 15.00 GiB Current LE 3840 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 8192 Block device 253:0 [root@localhost ~]# vgdisplay --- Volume group --- VG Name vg_root System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 6 VG Access read/write VG Status resizable MAX LV 0 Cur LV 5 Open LV 5 Max PV 0 Cur PV 1 Act PV 1 VG Size <48.50 GiB PE Size 4.00 MiB Total PE 12415 Alloc PE / Size 12415 / <48.50 GiB Free PE / Size 0 / 0 VG UUID ntNYFD-dN4c-qC7A-aka0-M9MM-kq9w-gVuXHX [root@localhost ~]# pvdisplay --- Physical volume --- PV Name /dev/sda3 VG Name vg_root PV Size <48.50 GiB / not usable 3.00 MiB Allocatable yes (but full) PE Size 4.00 MiB Total PE 12415 Free PE 0 Allocated PE 12415 PV UUID GgYEXm-CvC9-Bt4L-G8rR-qp0X-Faxo-e1cbnA [root@localhost ~]#
[root@localhost ~]# ll /dev/vg_root/
total 0
lrwxrwxrwx 1 root root 7 Nov 15 06:45 lv_home -> ../dm-3
lrwxrwxrwx 1 root root 7 Nov 15 06:45 lv_opt -> ../dm-1
lrwxrwxrwx 1 root root 7 Nov 15 06:45 lv_root -> ../dm-0
lrwxrwxrwx 1 root root 7 Nov 15 06:45 lv_tmp -> ../dm-2
lrwxrwxrwx 1 root root 7 Nov 15 06:45 lv_var -> ../dm-4
[root@localhost ~]#