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Full Discussion: Remove file system from Solaris disk
Operating Systems Solaris Remove file system from Solaris disk Post 302792867 by GP81 on Thursday 11th of April 2013 07:28:23 AM
Old 04-11-2013
Slice 2 is a whole disk
Below is output from format
Code:
Total disk cylinders available: 65533 + 2 (reserved cylinders)

Part      Tag    Flag     Cylinders         Size            Blocks
  0       root    wm       0 - 26214        8.00GB    (26215/0/0) 16777600
  1       swap    wu   26215 - 32768        2.00GB    (6554/0/0)   4194560
  2     backup    wm       0 - 65532       20.00GB    (65533/0/0) 41941120
  3 unassigned    wm   32769 - 65532       10.00GB    (32764/0/0) 20968960
  4 unassigned    wm       0                0         (0/0/0)            0
  5 unassigned    wm       0                0         (0/0/0)            0
  6 unassigned    wm       0                0         (0/0/0)            0
  7 unassigned    wm       0                0         (0/0/0)            0

In first line you can see that total disk cylinders is 65533.
Slice number 2 starts at cylinder 0 and ends at 65532. So the total number of used cylinders is 65533, what means that slice numer 2 uses whole disk. It is a special type of slice which overwrite other slices.
About Disk Slices (System Administration Guide: Devices and File Systems)
 

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LEARN ABOUT HPUX

install-solaris

install-solaris(1M)													       install-solaris(1M)

NAME

       install-solaris - install the Solaris operating system

SYNOPSIS

       install-solaris

       install-solaris	invokes  the  Solaris  Install	program. Depending on graphical capability and available memory at the time of invocation,
       install-solaris invokes either a text-based installer or a graphical installer.

       The following minimum requirements for physical memory dictate which features are available during installation:

       For SPARC machines:

       128 MB

	   Minimum physical memory for all installation types

       128 MB

	   Minimum physical memory required for windowing system

       384 MB

	   Minimum physical memory required for graphical-based installation

       For x86 machines:

       256 MB

	   Minimum physical memory for all installation types

       256 MB

	   Minimum physical memory required for windowing system

       512 MB

	   Minimum physical memory required for graphical-based installation

       In some cases, even if the minimum physical memory is present, available virtual memory after system startup can limit the number  of  fea-
       tures available.

       install-solaris	exists	only  on  the Solaris installation media (CD or DVD) and should be invoked only from there. Refer to the  for more
       details.

       install-solaris allows installation of the operating system onto any standalone system. install-solaris loads the software available on the
       installation media. Refer to the  for disk space requirements.

       Refer to the  for more information on the various menus and selections.

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcdrom  (Solaris instal-  |
       |			     |lation media)		   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Evolving			   |
       +-----------------------------+-----------------------------+

       pkginfo(1), install(1M), pkgadd(1M), attributes(5)

       It is advisable to exit install-solaris by means of the exit options in the install-solaris menus.

								    23 Sep 2005 					       install-solaris(1M)
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