6.6. Managing journaled file systems
A file system is a set of files, directories, and other structures. File systems maintain information and identify the location of a file or directory’s data. In addition to files and directories, file systems may contain a boot block, a superblock, bitmaps, and one or more allocation groups. An allocation group contains disk i-nodes and fragments.
The following three types of file systems are supported on an AIX system:
|Journaled File System||This native file system type is called the journaled file system (JFS). Each journaled file system resides on a separate logical volume. The operating system mounts some journaled file systems during initialization (those that are required to boot and run the system) ...|