linux 硬盘使用情况查看

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一般linux下硬盘的使用情况查看命令是：

fdisk -l

[root@oiooooio ~]# fdisk -lDisk /dev/sda: 32.2 GB, 32212254720 bytes255 heads, 63 sectors/track, 3916 cylindersUnits = cylinders of 16065 * 512 = 8225280 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk identifier: 0x00057fc5   Device Boot      Start         End      Blocks   Id  System/dev/sda1   *           1          64      512000   83  LinuxPartition 1 does not end on cylinder boundary./dev/sda2              64        3917    30944256   8e  Linux LVMDisk /dev/mapper/vg_oiooooio-lv_root: 28.5 GB, 28462546944 bytes255 heads, 63 sectors/track, 3460 cylindersUnits = cylinders of 16065 * 512 = 8225280 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk identifier: 0x00000000Disk /dev/mapper/vg_oiooooio-lv_swap: 3221 MB, 3221225472 bytes255 heads, 63 sectors/track, 391 cylindersUnits = cylinders of 16065 * 512 = 8225280 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk identifier: 0x00000000

df -h

[root@oiooooio ~]# df -hFilesystem            Size  Used Avail Use% Mounted on/dev/mapper/vg_oiooooio-lv_root                       26G   20G  5.7G  78% /tmpfs                 932M     0  932M   0% /dev/shm/dev/sda1             477M   67M  385M  15% /boot

但是如果要像windows任务管理器一样能实时查看硬盘当前使用率的，那么命令是:iostat -x 1 10

[root@oiooooio ~]# iostat -x 1 10Linux 2.6.32-573.7.1.el6.x86_64 (oiooooio)      11/11/2015      _x86_64_        (2 CPU)avg-cpu:  %user   %nice %system %iowait  %steal   %idle           0.97    0.00    0.91    0.08    0.00   98.04Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %utilsda               3.81    80.66    4.94   10.95   134.67   732.87    54.62     0.12    7.56   0.31   0.50dm-0              0.00     0.00    8.60   91.61   129.84   732.87     8.61     2.04   20.36   0.05   0.49dm-1              0.00     0.00    0.06    0.00     0.45     0.00     8.00     0.00    0.44   0.35   0.00avg-cpu:  %user   %nice %system %iowait  %steal   %idle           0.00    0.00    0.00    0.00    0.00  100.00Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %utilsda               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00dm-0              0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00dm-1              0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00^C[root@oiooooio ~]#

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