AIX Storage Management

performance overhead, by reducing the number of allocation requests and

physical I/O. This is an AIX Version 4 facility.

•

File system size

The size of the file system should be chosen to be large enough to

accommodate the required files. It is better to err on the small side, as file

systems can be easily expanded as the limit approaches, while reducing

(which can be done) is more work. Recovering free space within file systems

lost due to fragmentation can be accomplished using the

defragfs command

which is discussed in Chapter 7, “Storage Management Files and

Commands Summary” on page 139.

Having created volume groups and added the required number of ...