How to find out the physical size of the hard disk

[Praveen]

Hi All

Is there a command to find out the physical size of hard disk? I need following info
1: How to check the hard disk size on different UNIX systems.
2: What if the system is dual boot system with single hard disk? How is the physical hard disk size is calculated?
3: What if part of the HD is unformatted?

[AwadheshPandey]

use diskinfo /dev/rdsk/c#t#d#

[Joelmel Roche]

Check this site..
http://www.unixguide.net/cgi-bin/unixguide.cgi

[Amit Parui]

Hi Praveen,

Firstly, to find out the size of physical volume in HPUX the following are the ways -
a) diskinfo -v /dev/rdsk/cXtXdX or
b) pvdisplay /dev/dsk/cXtXdX and multiply the Total PE with the size of PE and you will get the value in MB .

I suppose you can use the following in AIX-
lsdev -v /dev/hdX or lsattr -El /dev/hdX

In HP you check the boot disk thru -
lvlnboot -v and check out the disk space of the so mentioned disks in its output with the above commands.