Change the logical volume name

[Email protected] ~]# df-h
File system capacity has been used with available percent mount points
/dev/mapper/vg_data2-lv_root
50G 2.2G 45G 5%/
Tmpfs 16G 0 16G 0%/dev/shm
/DEV/SDA1 485M 37M 423M 9%/boot
/dev/mapper/vg_data2-lv_home
210G 188M 199G 1%/Home

Umount/dev/mapper/vg_data2-lv_home

View logical volume name, status

[Email protected] ~]# Lvdisplay
---Logical volume---
LV Path/dev/vg_data2/lv_root
LV Name Lv_root
VG Name Vg_data2
LV UUID P8hcnc-74sj-kqz7-odr7-sxop-qjdz-ks3iam
LV Write Access Read/write
LV Creation Host, Time data2, 2015-06-18 19:38:09 +0800
LV Status Available
# open 1
LV Size 50.00 GiB
Current LE 12800
Segments 1
Allocation inherit
Read ahead Sectors Auto
-Currently set to 256
Block Device 253:0

---Logical volume---
LV Path/dev/vg_data2/lv_home
LV Name Lv_home
VG Name Vg_data2
LV UUID 65oesf-zqdw-m2f9-cjby-tmgx-3xi7-hph9xx
LV Write Access Read/write
LV Creation Host, Time data2, 2015-06-18 19:38:12 +0800
LV Status Available
# open 1
LV Size 213.15 GiB
Current LE 54566
Segments 1
Allocation inherit
Read ahead Sectors Auto
-Currently set to 256
Block Device 253:2

---Logical volume---
LV Path/dev/vg_data2/lv_swap
LV Name Lv_swap
VG Name Vg_data2
LV UUID YRA6F8-EJEL-YVSG-AP97-IYR3-NA8N-BISVCC
LV Write Access Read/write
LV Creation Host, Time data2, 2015-06-18 19:38:42 +0800
LV Status Available
# open 1
LV Size 15.73 GiB
Current LE 4026
Segments 1
Allocation inherit
Read ahead Sectors Auto
-Currently set to 256
Block Device 253:1

Change the logical volume name

[Email protected] ~]# lvrename/dev/vg_data2/lv_home/dev/vg_data2/lv_u01
Renamed "Lv_home" to "lv_u01" in volume Group "VG_DATA2"

Change the mount of a/etc/fstab

Re-mount Mount/dev/mapper/vg_data2-lv_u01/u01

If you change the root, swap directory, you also need to modify the/etc/grub.conf

Change the logical volume name