Linux查看分区、磁盘空间大小

df.sh

# 查看磁盘的使用情况以及文件系统被挂载的位置
df -lh
Filesystem            容量  已用 可用 已用% 挂载点
/dev/hda8              11G  6.0G  4.4G  58% /

# 列出机器中所有磁盘的个数，也能列出所有磁盘分区情况
fdisk -l

# 磁盘信息
Disk /dev/sda: 299.4 GB, 299439751168 bytes
255 heads, 63 sectors/track, 36404 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xacc9d575

# 该磁盘对应的分区信息
   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1          26      204800   83  Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2              26        2115    16777216   82  Linux swap / Solaris
/dev/sda3            2115       36405   275438592   8e  Linux LVM

# 分区的具体信息
Disk /dev/mapper/VolGroup-LogVol00: 53.7 GB, 53687091200 bytes
255 heads, 63 sectors/track, 6527 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000


Disk /dev/mapper/VolGroup-LogVol01: 107.4 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000


Disk /dev/mapper/VolGroup-LogVol02: 121.0 GB, 120984698880 bytes
255 heads, 63 sectors/track, 14708 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000