文件个数太多,有空间也不能被利用
[ngenplay@ydcvml03 hptloadtest]$ df -Th
Filesystem    Type    Size  Used Avail Use% Mounted on
/dev/mapper/LVM-LVM_01
              ext3     20G   16G  3.1G  84% /
/dev/mapper/LVM-LVM_04
              ext3     26G   23G  1.7G  93% /backup
/dev/mapper/LVM-LVM_02
              ext3     29G   13G   16G  46% /home
/dev/mapper/LVM-LVM_03
              ext3     20G  2.1G   17G  12% /opt
/dev/sda1     ext3    981M   25M  906M   3% /boot
tmpfs        tmpfs    1.9G   88K  1.9G   1% /dev/shm

[ngenplay@ydcvml03 hptloadtest]$ df -i
Filesystem            Inodes   IUsed   IFree IUse% Mounted on
/dev/mapper/LVM-LVM_01
                     1281120 1281120       0  100% /
/dev/mapper/LVM-LVM_04
                     1687552 1516429  171123   90% /backup
/dev/mapper/LVM-LVM_02
                     1921360 1048912  872448   55% /home
/dev/mapper/LVM-LVM_03
                     1281120   14166 1266954    2% /opt
/dev/sda1              63872      36   63836    1% /boot
tmpfs                 220005       3  220002    1% /dev/shm