/HOMEBLOCKS=option

    Applies to Files-11 On-Disk Structure Level 2 (ODS-2) and Level 5
    (ODS-5) disks only.

    Specifies where the volume's homeblock and spare copy of the
    homeblock are placed on disk. The value of option can be one of
    the following:

    o  GEOMETRY

       Causes the homeblocks to be placed at separate locations on
       disk, to protect against failure of a disk block. Placement
       depends on the reported geometry of the disk.

    o  FIXED (default)

       Causes the homeblocks to be placed at separate fixed locations
       on the disk. Placement is independent of the reported geometry
       of the disk. This caters to disks that report different
       geometries according to which type of controller they are
       attached to.

    o  CONTIGUOUS

       Causes the homeblocks to be placed contiguously at the start
       of the disk. When used with the /INDEX=BEGINNING qualifier,
       this setting allows container file systems to maximize the
       amount of contiguous space on the disk, for example, to hold
       one large file, such as a database.