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fdisk -l
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Disk /dev/sda: 160.0 GB, 160040803840 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1          13      104391   83  Linux
/dev/sda2              14       19457   156183930   8e  Linux LVM
Disk /dev/sdb: 320.0 GB, 320071851520 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1       38913   312568641   83  Linux
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ÏÈʹÓà yum -y install sysstat
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iostat -d 2    --- report iostat every 2 seconds.
-------------------
Linux 2.6.25.9 (localhost.localdomain)  12/05/2009
Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
sda               3.10        87.88  &nbs


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