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Full Discussion: AIX Free disk space
Operating Systems AIX AIX Free disk space Post 302302684 by kah00na on Tuesday 31st of March 2009 04:03:54 PM
Old 03-31-2009
Think of "PP"s like chunks of space in your volume group. Increases or decreases in the size of your filesystems will occur in your case 128MB at a time. You can't give a filesystem 127MB or 129MB. It will increase or decrease by 128MB because that is your PP size.

It looks like you have 30 gig free.
Code:
FREE PPs: 238 (30464 megabytes)

238 PPs * 128MB PP size = 30464 MB free

Run this command to change the size of your /usr filesystem. I have mine sized around 3 gig. This command sets the /usr to 3 gig:

Code:
chfs -a size=3G /usr

If you want to want to increase, you can do 128MB (or whatever size you want) increases like this:

Code:
chfs -a size=+128M /usr

This just adds 128M to whatever is already there. If you try to increase your /usr by 1MB, it will give it another 128MB because that is your PP size.

Also, to see your filesystem sizes in a format that makes more sense, run "df -Im":

Code:
hostname:/:$ df -Im /usr
Filesystem    MB blocks      Used      Free %Used Mounted on
/dev/hd2        3464.00   2263.11   1200.89   66% /usr

 

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space(4)							   File Formats 							  space(4)

NAME
space - disk space requirement file DESCRIPTION
space is an ASCII file that gives information about disk space requirements for the target environment. The space file defines space needed beyond what is used by objects defined in the prototype(4) file; for example, files which will be installed with the installf(1M) command. The space file should define the maximum amount of additional space that a package will require. The generic format of a line in this file is: pathname blocks inodes Definitions for the fields are as follows: pathname Specify a directory name which may or may not be the mount point for a filesystem. Names that do not begin with a slash ('/') indicate relocatable directories. blocks Define the number of disk blocks required for installation of the files and directory entries contained in the pathname (using a 512-byte block size). inodes Define the number of inodes required for installation of the files and directory entries contained in the pathname. EXAMPLES
Example 1: A sample file. # extra space required by config data which is # dynamically loaded onto the system data 500 1 SEE ALSO
installf(1M), prototype(4) Application Packaging Developer's Guide SunOS 5.10 7 Feb 1997 space(4)
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