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This set of utilities is located in the "charoncp012charoncp013.vdisk
" disk file in the "C:\Program Files\CHARON\Virtual Disk Images\Tape utilities package
" folder.
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Installation
Make this virtual disk file recognized by the virtual machine in the CHARON configuration file, boot from the system disk and mount the disk with the following OpenVMS command:
$ MOUNT <device name> /OVERRIDE=IDENTIFICATION |
Issue the following commands to install the package (example given for OpenVMS V8.4):
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Select all the components included in 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$STARTUP:CHARONCP_STARTUP |
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Performance optimization
CHARON takes 100% of host CPU even in case of idle state of guest OpenVMS operating system. To get rid of such resources consumption there is a specific option provided by CHARON Guest Utilities: "idle" mode.
Command | Description |
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$ 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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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 |
Warning |
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It is mandatory to set the " |
Example:
set PKA container[600] = ".vtape" removable[600] = true |
Once it is done using the following commands it is possible to manage virtual tapes attached to CHARON:
Command | Description | |
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$ CHARONCP SET MAGTAPE <device> /LOAD="<filename>.vtape" | Create the specified host-file (if it does not already exist) and attach it to the specified virtual tape device. Example:
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$ CHARONCP SET MAGTAPE <device> /UNLOAD | Detach any file currently attached to te specified virtual tape device. Example:
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Possible errors:
Error | Description |
---|---|
BADFILENAME | The filename specified as a value to the qualifier |
DEVNOTDISM | Attempting to execute a Perform a |
If some tape container has been already specified in the CHARON configuration 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:
Command | Description | |
---|---|---|
| Defines an equivalence string and a set of attributes with a key on the terminal keyboard. You can have a set of keys defined automatically for use with the CHARONCP utility by placing Example:
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$ CHARONCP CHARONCP> SHOW KEY <key-name> | Displays key definitions created with the Example:
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Displaying version
Command | Description | |
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$ 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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