HP 3000 Manuals

SHOWDEV [ Native Mode Spooler Reference Manual ] MPE/iX 5.0 Documentation


Native Mode Spooler Reference Manual

SHOWDEV 

Reports the status of input/output devices. 

Syntax 

SHOWDEV [ldev     ] [;ACD]
        [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.

ACD                   Keyword requesting display of access control
                      definition (ACD)f or the device.

Operation notes 

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

     SHOWDEV

     LDEV AVAIL     OWNERSHIP    VOLID   DEN   ASSOCIATION

       1   DISC     43 FILES
       6   SPOOLED  SPOOLER OUT
       8   AVAIL
      20 A UNAVAIL  #S311:  7 FILES

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, nonshareable device.

                      SPOOLED               The device is available for
                                            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 with 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.

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

                      DEN                   Density of the tape, which
                                            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
                                                                  unrecog-
                                                                  nizable.

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

                      ACD                   Access Control Definition.
                                            May include any of the
                                            following information per
                                            username.acctname:

                                            R                     Read
                                                                  access.

                                            W                     Write
                                                                  access.

                                            L                     Lock
                                                                  access.

                                            A                     Append
                                                                  access.

                                            X                     Execute
                                                                  access.

                                            None                  No
                                                                  access.

                                            RACD                  Copy or
                                                                  read
                                                                  the
                                                                  ACD.

Use 

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

Examples 

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



MPE/iX 5.0 Documentation