MPE/iX System Utilities Reference Manual (32650-90908)

Chapter 9
FSCHECK
Operation
111
EXIT [E]
This command terminates the FSCHECK utility and returns to the process from which it was invoked.
Syntax
EXIT
Parameters
None
Example
fscheck: EXIT
Return
EXTENTDISTRIB [ED]
Displays the distribution of extents by extent size or file size on the specified volume(s). If you choose the
EXTENT option, FSCHECK displays the total number of extents that falls in the extent size range. If you choose
the FILE option, FSCHECK displays the total number of files, and the average number of extents per file that
falls in the file size range.
Syntax
ldev
EXTENTDISTRIB [DEV=]set_name
ALL
[;EXTENT]
[;FILE ]
Parameters
The DEV parameter is optional. If omitted, the default is to display the extent distribution on each mounted
volume of the system volume set.
ldev ldev is a number from 1 to 32,767, specifying the logical device on which the extent
distribution on the volume to be displayed is mounted. The volume must be mounted in the
MASTER or MEMBER state as determined by the DSTAT command.
set_name Set_name is the name of the volume set whose extent distribution are to be displayed. The
volume set must be opened ( the set’s master must be mounted in the MASTER state as
displayed by the DSTAT command.
ALL ALL displays the extent distribution on each volume mounted in the MASTER or MEMBER
state as determined by the DSTAT command.
EXTENT EXTENT displays the distribution of extent by extent size. This is the default option.
FILE FILE displays the distribution of extent by file size.
Example
fscheck: EXTENTDISTRIB ALL
Return
HELP
This command provides a list of the FSCHECK utility commands and a description of the function of each.
Syntax
HELP