查看磁盘空间命令

[root@hs21p-t /]# df -k
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/mapper/VolGroup00-rootlv
                      10321208    278216   9518704   3% /
/dev/sde1               194442     15721    168682   9% /boot
none                   2074580   1267036    807544 62% /dev/shm
/dev/mapper/VolGroup00-homelv
                       2064208    514352   1445000 27% /home
/dev/mapper/VolGroup00-admlv
                       5160576     43040   4855392   1% /opt/adm
/dev/mapper/VolGroup00-applv
                      31221740   9289664 20346108 32% /opt/app
/dev/mapper/VolGroup00-sysbacklv
                      31221740     77888 29557884   1% /sys-back
/dev/mapper/VolGroup00-tmp
                       4128448     41884   3876852   2% /tmp
/dev/mapper/VolGroup00-usrlv
                      10321208   4145352   5651568 43% /usr
/dev/mapper/VolGroup00-varlv
                      10321208    159816   9637104   2% /var
/dev/mapper/mpath0   103212320 44889872 53079568 46% /postgreData

[root@hs21p-t /]# df -h
Filesystem            Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-rootlv
                      9.9G 272M 9.1G   3% /
/dev/sde1             190M   16M 165M   9% /boot
none                  2.0G 1.3G 789M 62% /dev/shm
/dev/mapper/VolGroup00-homelv
                      2.0G 503M 1.4G 27% /home
/dev/mapper/VolGroup00-admlv
                      5.0G   43M 4.7G   1% /opt/adm
/dev/mapper/VolGroup00-applv
                       30G 8.9G   20G 32% /opt/app
/dev/mapper/VolGroup00-sysbacklv
                       30G   77M   29G   1% /sys-back
/dev/mapper/VolGroup00-tmp
                      4.0G   41M 3.7G   2% /tmp
/dev/mapper/VolGroup00-usrlv
                      9.9G 4.0G 5.4G 43% /usr
/dev/mapper/VolGroup00-varlv
                      9.9G 157M 9.2G   2% /var
/dev/mapper/mpath0     99G   43G   51G 46% /postgreData
/dev/mapper/mpath1    9.9G   55M 9.3G   1% /postgreLog
[root@hs21p-t /]#