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Comment: Log rotation mode updated with more details

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The following table describes all available "session" parameters, their meaning and examples of their usage:

hw_model

Parameterhw_model
TypeText string
Value

Virtual HP Alpha system hardware model to be emulated.

Use a default configuration template for each particular model as a starting point for a custom configuration. This would ensure that the 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_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 HP Alpha model supported by CHARON-AXP.

configuration_name

Parameterconfiguration_name
TypeText string
Value

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

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 strictly recommended to use the "configuration_name" parameter if more than one CHARON instance runs on the same server.

log

If an existing directory is specified,

It is possible to overwrite the existing log file or extend it using the "log_method" parameter. See below for details.

 (info) The "log_method" parameter is effective only in the case where a single log file is specified, not a directory.

Examples:

Parameterlog
TypeText string
Value

The log file or directory name is where the log file for each CHARON-AXP execution 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 "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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titleLog specified as a directory

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 in the directory where the emulator was started.

set session log="log.txt"
set session log="/CharonLogs/Logs"
If only a directory name is specified in the "log" parameter and

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 log_file_size) and/or when the log file is older than a specified number of days (see 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

will have the following format

is composed as follows:

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

If

only a directory name is specified in

the "

log" parameter and 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

" 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).

Note

(warning) Only existing directory can

be used as a value of the "log" parameter

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.

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log_method

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