HP 3000 Manuals HP 3000 Manuals
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 ACD (access control
definition) for the device.
Operation Notes
The SHOWDEV command displays the status information for all input and
output devices on the system. The display spacing is important and has
been changed after the 4.7 release. The display appears in the following
format:
SHOWDEV
Total number of blanks between items after release 4.7
5 9 9 9 3
LDEV AVAIL OWNERSHIP VOLID DEN ASSOCIATION
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
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.
AVAIL W The device is a tape with
write enable on the media.
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
unrecognizable.
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, job, 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
Related Information
Commands DISCRPS, ABORTIO
Manuals Performing System Operation Tasks (32650-90137)