XFS Interface Command

Format Disk

This command is used to create a simulated disk or to format the disk. On the newly created disk, BMAP, relation catalog and attribute catalog are done.

The first four blocks of the disk is used for storing the BMAP and hence the first 4 entries in BMAP is marked as occupied during the initializaiton.

Blocks 4 and 5 used for storing catalog, are also marked as REC type in the newly initialized BMAP