更改逻辑卷名称

[root@data2 ~]# df -h
文件系统 容量 已用 可用 已用%% 挂载点
/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

查看逻辑卷名称，状态

[root@data2 ~]# 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

更改逻辑卷名称

[root@data2 ~]# lvrename /dev/vg_data2/lv_home /dev/vg_data2/lv_u01
Renamed "lv_home" to "lv_u01" in volume group "vg_data2"

更改/etc/fstab的挂载

重新挂载mount /dev/mapper/vg_data2-lv_u01 /u01

如果是更改root、swap的目录，还需要修改/etc/grub.conf