SHOWDEV

Generated from C.65.00 /SYSADMIN/PUB/MYCICAT last modified on Sun Aug 29 15:08:37 2004

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SHOWDEV


     Reports the status of input/output devices.  (CM)

SYNTAX


     SHOWDEV [ldev     ]
             [classname]


PARAMETERS


ldev                Logical device number of device for which status
                    information is to be displayed.  This number is
                    unique for each device.  Default is that status
                    information for all system devices on the system is
                    displayed.

classname           Device class name of device(s) for which status
                    information is to be displayed. This name may apply
                    to several devices. Default is that status
                    information for all devices on the system is
                    displayed.


OPERATION


     Displays the status information for all input/output devices
     on the system.  The display appears in the following format

     SHOWDEV

NOTE   Display spacing has been changed after the 4.7 release.

       New total number of blanks in between items:

        5          9                  9              9        3
  LDEV     AVAIL         OWNERSHIP         VOLID         DEN   ASSOC.
     1     DISC          N/A
     2     DISC          N/A
     3     DISC          N/A
     4     DISC          N/A
     5     AVAIL
     6     SPOOLED       SPOOLER OUT
     7     AVAIL
     8     AVAIL
     9     AVAIL
    10   A AVAIL
    11     DISC          N/A
    12     DISC          N/A
    13     DISC          N/A
    14     DISC          N/A
    15     DISC          N/A
    16     DISC          N/A
    17     AVAIL
    18     AVAIL
    19     SPOOLED
    20   A UNAVAIL       #S914: 8 FILES
    21   A AVAIL

     The following items may appear in the listing, always
     displayed on the standard list device

COLUMN              MEANING

LDEV                Includes the logical device number and may include
                    one of the following

                    J        Accepts jobs.

                    D        Accepts data.

                    A        Accepts jobs and data.

AVAIL               Lists the availability of devices and disks as
                    follows

                    AVAIL    The device is available as a real,
                             nonsharable device.

                    AVAIL(W) The device is a tape with write enable
                             on the media.

                    SPOOLED  The device is available via input or output
                             spooling.

                    UNAVAIL  The device is not available; it is under
                             the control of a job, session, or a system
                             process, such as a spooler.

                    DISC     The device is a disk and is always
                             available.

                    DISC (RPS)  The device is a CS-80 disk on which
                             Rotational Position Sensing (RPS) has been
                             enabled.

OWNERSHIP          Includes device ownership and may include one of the
                   following

                   SYS       Controlled by the system.  If #nnn appears,
                             it specifies the Process Identification
                             Number (PIN) of the controlling process
                             (program).

                    SPOOLER IN Input spooling in effect, controlled by
                             spooler.

                    SPOOLER OUT Output spooling in effect, controlled by
                             spooler.

                    #Jnnn    Controlled by the indicated job.

                    #Snnn    Controlled by the indicated session.

                    nn FILES Indicates number of files currently in use
                             on a disk.

                    DOWN     Device is offline, requested by system
                             operator via the DOWN command.

                    DP       Device is being taken offline (DOWN
                             command operation pending).

VOLID              The volume identification and may include one of the
                   following

                    IBM      The named magnetic tape volume that has a
                             label written in the IBM format.

                    ANSI     The named magnetic tape volume that has a
                             label written in the ANSI format.

                    NOLABEL  The named magnetic tape volume that has no
                             label.  Default.

DEN                 Density of the tape and may include one of the
                    following

                    6250     Density of 6250 BPI (bytes-per-inch).

                    1600     Density of 1600 BPI, or the density of the
                             tape is unrecognizable.

ASSOCIATION         Indicates the logical devices by device class which
                    have been established by the user with the
                    ASSOCIATE command.

     This command may be issued from a session, job, in BREAK, or
     from a program.  Pressing [Break] aborts the execution of
     this command.


EXAMPLE(S)


     To display the status of the device identified by logical
     device number 5 enter

     SHOWDEV 5
     LDEV  AVAIL     OWNERSHIP       VOLID    DEN   ASSOCIATION
     5   SPOOLED   SPOOLER OUT

     To display the status of all devices of the device class
     CARD, enter

     SHOWDEV CARD
     LDEV  AVAIL     OWNERSHIP       VOLID    DEN   ASSOCIATION

     6 A AVAIL

ADDITIONAL INFORMATION


Commands:   DISCRPS

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