(英文改错系列2)ADD / Change disk space on AIX 6.1.x
Create a new mount point
Run "smit fs"
Select "Add / Change / Show / Delete File Systems"
Select "Enhanced Journaled File Systems"
Select "Add Enhanced Journaled File Systems"
Select "rootvg"
Set "Unit Size" to "Gigabytes"
Set "Number of Units" to 20
Set "MOUNT POINT" to "/software" or other name you like
Set "Mount AUTOMATICALLY as system restart" to "yes"

Modify an exist mount point
Run "smit chfs"
Select "Change /Show Characteristics of an Enhanced Journaled File System"
Choose "/opt" or "/usr"
Change "Unit Size" to "Gigabytes"
Change "Number of Units" to 20