centos6.5 系统调整分区

umount /home
e2fsck -f /dev/mapper/VolGroup-lv_home
resize2fs -p /dev/mapper/VolGroup-lv_home 2G

将/dev/mapper/VolGroup-lv_home 减到100G
vreduce -L 100G /dev/mapper/VolGroup-lv_home
mkfs.ext4 /dev/mapper/VolGroup-lv_home 格式化文件系统

 vgdisplay 看还剩余多少

vextend -L +48.38G /dev/mapper/VolGroup-lv_root

 创建逻辑卷
 lvcreate -L 180G -n lv_opt vg_whg

 lvdisplay

 mkfs ext4 /dev/vg_whg/lv_opt

mount /dev/vg_whg/lv_opt /opt

你可能感兴趣的:(centos6.5 系统调整分区)