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The following sections describe all available "session" parameters, their meaning and examples of their usage:

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hw_model

Parameterhw_model
TypeText string
Value

Virtual Alpha system hardware model to be emulated.

Use a named template for each model as a starting point for a custom configuration. This would ensure that this parameter is set correctly.

Example:

set session hw_model="AlphaServer_ES40"

Available models are:

  • AlphaServer_AS400

  • AlphaServer_AS800

  • AlphaServer_AS1000

  • AlphaServer_AS1000A

  • AlphaServer_AS1200

  • AlphaServer_AS2000

  • AlphaServer_AS2100

  • AlphaServer_AS4000

  • AlphaServer_AS4100

  • AlphaServer_DS10

  • AlphaServer_DS10L

  • AlphaServer_DS15

  • AlphaServer_DS20

  • AlphaServer_DS25

  • AlphaServer_ES40

  • AlphaServer_ES45

  • AlphaServer_GS80

  • AlphaServer_GS160

  • AlphaServer_GS320

(info) Refer to this section to find how to set a particular Alpha model supported by CHARON-AXP.

configuration_name

Parameterconfiguration_name
TypeText string
Value

Name of the CHARON-AXP instance (it must be unique).

In most cases this is set to the local machine name (TCPIP node identifier for example).

set session configuration_name="MSCDV1"

The value of this parameter is used as a prefix to the event log file name. (see below).

From the example above, the CHARON-AXP log file will have the following name:

MSCDV1-YYYY-MM-DD-hh-mm-ss-xxxxxxxxx.log

xxxxxxxxx is an increasing decimal number starting from 000000000 to separate log files with the same time of creation (in case the log is being written faster than one log file per second).

(warning) It is highly recommended to use the "configuration_name" parameter if more than one CHARON instance runs on the same server.


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log

Parameterlog
TypeText string
Value

The log file or directory name is where the log file for this CHARON-AXP session is stored.

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titleLog specified as a file name

It is possible to overwrite the existing log file or to extend it using the "18401789411451" log_method parameter.

(info) The "log_method" parameter is effective only when a single log file is specified, not a directory.

Example:

set session log="/charon/es40prod.log"


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CHARON-AXP automatically creates individual log files for each CHARON-AXP execution session. If the log parameter is omitted, CHARON-AXP creates a log file for each CHARON-AXP execution session session in the directory where the emulator was started. In these two cases, the log rotation mode is enabled, meaning a new log file is created each time the virtual machine is started and when the log file size exceeds the one specified (see 18401789411451parameter log_file_size) and/or when the log file is older than a specified number of days (see 18401789411451parameter log_rotation_period).

(info) A symbolic link located in the same directory will be created, pointing to the active log file. Its name is based on the hw_model parameter or the configuration_name parameter if specified.

If the "configuration_name" parameter of the session is specified, the log file name is composed as follows:

<configuration_name>-YYYY-MM-DD-hh-mm-ss-xxxxxxxxx.log

If the "configuration_name" parameter is omitted, the log file name will have the following format:

<hw_model>-YYYY-MM-DD-hh-mm-ss-xxxxxxxxx.log

where "xxxxxxxxx" is an increasing decimal integer, starting from 000000000 to separate log files with the same time of creation (in case the log is being created faster than one log file per second).

(warning) Only existing directory can be specified. If the directory specified does not exist, this will be considered as a flat file.

Example:

set session configuration_name="es40prod"

set session log="/charon/logs"

The execution of the virtual machine will create a log file, named /charon/logs/es40prod-2016-10-13-10-00-00-000000000.log (for example) and a symbolic link named /charon/logs/es40prod.log pointing to this file. The link will be updated when the log rotation will occur.

(info) Starting with version 4.11 build 204-11, log file numbering is implemented when log rotating is used: when starting the Charon emulator the first log file name will be like <configuration_name>-YYYY-MM-DD-hh-mm-ss-xxxxxxxxx.log where xxxxxxxxx will be 000000000, this number will increase with each log rotation to make it easier to find a log file set (1st log file at start + all its rotated files)



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log_method

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