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This set of utilities is located in the "charoncp011charoncp012.vdisk" disk file in the "/opt/charon/disks" folder.
Supported OpenVMS versions (depending on platform support): VMS 5.5-2, OpenVMS 6.1 and above.
In case of OpenVMS upgrade, CHARONCP will have to be re-installed.
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Select all the components included to the package:
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Proceed with installation using all the default options.
Once the installation is completed, add the following line to the "SYS$STARTUP:SYSTARTUP_VMS.COM" ("SYS$STARTUP:SYSTARTUP_V5.COM" for VMS 5.5) file for the package to be loaded automatically at system startup::
$ @SYS$STARTUP:CHARONCP_STARTUP |
After that the package will be loaded automatically on startup.
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Performance optimization
CHARON takes 100% of host CPU even in case of idle state of guest OpenVMS operating system. To get rid of such resources consumption there is a specific option provided by CHARON Guest Utilities - "idle" mode.
$ CHARONCP SET IDLE /ENABLE | Loads the OpenVMS idle loop detection software. This allows CHARON to detect when the emulated CPU(s) are idle and use the host power saving instructions to reduce power usage. |
$ CHARONCP SET IDLE /DISABLE | Unloads the OpenVMS idle loop detection software. |
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Adjusting emulator's speed
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$ CHARONCP SET SPEED /UP=<number of steps> | Increase the emulator speed by the specified number of steps. |
$ CHARONCP SET SPEED /DOWN=<number of steps> | Decrease the emulator speed by the specified number of steps. |
$ CHARONCP SET SPEED /RESET | Remove all speed stepping restraints. |
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Emulator's shutdown control
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$ CHARONCP SET SHUTDOWN /IN=<seconds, 60 is default> | The number of seconds before the CHARON emulator is to shut down. The value can be between 0 and 65535 (approx. 18 hours). |
$ CHARONCP SET SHUTDOWN /RESET | Clear a scheduled shutdown. |
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Virtual tapes management
Specify mapping to tape container in the following way in the CHARON configuration file:
set <adapter name> container[<unit name>] = ".vtape" removable[<unit name>] = true |
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Example:
set PKA container[600] = ".vtape" removable[600] = true |
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If some tape container has been already specified in the CHARON configuratioon file use the command "CHARONCP SET MAGTAPE <device> /UNLOAD" to unload it first.
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Defining keys
It is possible to define certain keys on the terminal keyboard for fast access to the CHARONCP functionalilty while you are in CHARONCP:
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For more information refer to the OpenVMS DCL Dictionary (DEFINE/KEY section).
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Displaying version
$ CHARONCP SHOW VERSION | Displays the CHARONCP package version number and architecture. This can be useful for customers reporting issues with the CHARONCP software. Example:
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