AIX - Increase Filesystem Size

If you need to increase the size of the filesystem on AIX you can use SMIT. The follow through the menu system to increase the filesystem size:

# df -g

# smit

> System Storage Management (Physical & Logical Storage)

> File Systems

> Add / Change / Show / Delete File Systems

> Enhanced Journaled File Systems

> Change / Show Characteristics of an Enhanced Journaled File System

> File System Name (choose file system name)

> Change filesystem details then press enter to update

> Exit smit with F10

# df -g (check filesystem updated correctly)

Or you can use the command line:

# chfs -a size=+1G <filesystem>

or...

# chfs -a size=11G <filesystem>