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System Administration Guide

How to Examine a Disk Label

Examine disk label information by using the prtvtoc(1M) command. See Chapter 21, Disk Management (Overview), for a detailed description of the disk label and the information displayed by the prtvtoc command.

  1. Become superuser.

  2. Display the disk label information by using the prtvtoc command. 


    # prtvtoc /dev/rdsk/device-name

    device-name

    Raw disk device you want to examine.  

Example--Examining a Disk Label

The following example shows the disk label information for disk /dev/rdsk/c0t0d0s0.


# prtvtoc /dev/rdsk/c0t0d0s0
* c0t0d0s0 partition map
*
* Dimensions:
*     512 bytes/sector
*      36 sectors/track
*       9 tracks/cylinder
*     324 sectors/cylinder
*    1272 cylinders
*    1254 accessible cylinders
*
* Flags:
*   1: unmountable
*  10: read-only
*
*                       First   Sector    Last	
* Partition Tag Flags  Sector   Count    Sector  Mount Directory
      0      2   00         0    37260    37259   /
      1      3   01     37260    77760   115019
      2      5   00         0   406296   406295
      6      4   00    115020   283824   398843   /usr
      7      6   00    398844     7452   406295   /export/home
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