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Managing filesystem types

Using mkfs to create a bfs filesystem

When used to make a bfs filesystem, the mkfs(1M) command builds a filesystem with a root directory.

The syntax for the mkfs command when making a bfs filesystem is as follows:

   mkfs [-F bfs] special blocks [inodes]
If the number of inodes is not specified on the command line, the default number of inodes is calculated as a function of the filesystem size. The limit is 512.

Although any disk can have multiple boot filesystems defined on it, you will not normally want more than one boot filesystem on one disk.

The following procedure shows how to define a new boot filesystem. It is assumed that the disk you are using is already bootable. For instructions on making new bootable disks, see ``Bootable partition administration''.

Defining a new boot filesystem on a bootable disk

  1. Use the prtvtoc(1M) command to identify the type and size of the current disk partitions on the disk. If your new bfs filesystem requires a disk repartition (that is, if you need information on partitioning a bootable disk), see ``Bootable partition administration''.

  2. Use the mkfs(1M) command to make a bfs filesystem in the appropriate partition of the disk.


    NOTE: The maximum size of a bfs filesystem is 128MB.

  3. Mount the new boot filesystem.

  4. Populate the new filesystem by copying into the new bfs filesystem all the required bootable programs and data files used during the boot procedure. For information about these files, see ``The stand slice''.

© 2004 The SCO Group, Inc. All rights reserved.
UnixWare 7 Release 7.1.4 - 22 April 2004