1.查看当前硬盘使用状况:
[root@gluster_node1 ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup-lv_root
35G 25G 8.3G 76% /
tmpfs 1.9G 0 1.9G 0% /dev/shm
/dev/sda1 485M 35M 425M 8% /boot
/dev/mapper/VolGroup-lv_home
33G 176M 31G 1% /home
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