Converting Blocks to megabytes and gigabytes. Post: 302359102

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extendfs_hfs

extendfs_hfs(1M)														  extendfs_hfs(1M)

NAME

       extendfs_hfs: extendfs - extend HFS file system size

SYNOPSIS

       size] special

DESCRIPTION

       If  the	original  HFS  file  system  image  created on special does not make use of all of the available space, the command can be used to
       increase the capacity of an HFS file system by updating the file system structure to include the extra space.

       The command-line parameter special specifies the character device special file of either a logical volume or a disk partition.  The special
       must be unmounted before the command can be run (see mount(1M)).

   Options
       recognizes the following options:

	      Specify the HFS file system type.

	      Query the size of
			special.  No file system extension will be done.

	      Verbose flag.

	      Specifies the number of
			blocks to be added to the file system.	If the number of blocks is not specified, the maximum possible size is used.

EXAMPLES

       To increase the capacity of a file system created on a logical volume, enter:

WARNINGS

       The  root  file	system	cannot be extended using the command because the root file system is always mounted, and the command only works on
       unmounted file systems.

       will fail if used on a file system, on a logical volume, where the logical block size of the logical volume is greater than the	file  sys-
       tem's fragment size.  The logical block size, of a logical volume changes, when additional disks with larger sector size are added.

RETURN VALUE

       returns the following values:

	       0	No errors were detected and file system was successfully extended.
	       1	Command aborted.

SEE ALSO

       extendfs(1M), lvextend(1M), mkfs(1M), mount(1M), umount(1M).

																  extendfs_hfs(1M)