[root@localhost ~]# ls -l /dev/sd* [root@localhost ~]# pvcreate /dev/sdb [root@localhost ~]# pvcreate /dev/sdc [root@localhost ~]# vgcreate xiaoguo /dev/sdb /dev/sdc [root@localhost ~]# lvcreate -n haha -l 100 xiaoguo [root@localhost ~]# mkfs.ext4 /dev/xiaoguo/haha [root@localhost ~]# mkdir /haha [root@localhost ~]# mount /dev/xiaoguo/haha /haha/ [root@localhost ~]# vim /etc/fstab [root@localhost ~]# df -h
扩容：
[root@localhost ~]# umount /haha [root@localhost ~]# lvextend -L 800M /dev/xiaoguo/haha [root@localhost ~]# e2fsck -f /dev/xiaoguo/haha [root@localhost ~]# resize2fs /dev/xiaoguo/haha [root@localhost ~]# mount -a [root@localhost ~]# df –h
缩容：
[root@localhost ~]# umount /haha [root@localhost ~]# e2fsck -f /dev/xiaoguo/haha [root@localhost ~]# resize2fs /dev/xiaoguo/haha 300M [root@localhost ~]# lvreduce -L 300M /dev/xiaoguo/haha [root@localhost ~]# mount -a [root@localhost ~]# df –h
快照：
[root@localhost ~]# cd /haha/ [root@localhost haha]# cp -rf /etc/* ./ [root@localhost haha]# ls [root@localhost haha]# lvcreate -L 300M -s -n SNAP /dev/xiaoguo/haha [root@localhost haha]# lvdisplay [root@localhost haha]# ls [root@localhost haha]# rm -rf * [root@localhost haha]# ls [root@localhost haha]# cd ~ [root@localhost ~]# umount /haha [root@localhost ~]# lvconvert --merge /dev/xiaoguo/SNAP [root@localhost ~]# mount -a [root@localhost ~]# ls
删除：
[root@localhost ~]# umount /haha [root@localhost ~]# vim /etc/fstab [root@localhost ~]# lvremove /dev/xiaoguo/haha [root@localhost ~]# vgremove xiaoguo [root@localhost ~]# pvremove /dev/sdb [root@localhost ~]# pvremove /dev/sdc