Difference between revisions of "Mas.cfg"
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'''mas.cfg''' is a configuration file for [[MAS]] itself (as opposed to [[mce.cfg]] which provides MAS with configuration information about an attached subrack). Typically, it is automatically generated by the MAS build process. As such, to modify mas.cfg in a consistent way, best practice is to re-run the MAS ./configure script with the desired new values and then rebuild MAS. | '''mas.cfg''' is a configuration file for [[MAS]] itself (as opposed to [[mce.cfg]] which provides MAS with configuration information about an attached subrack). Typically, it is automatically generated by the MAS build process. As such, to modify mas.cfg in a consistent way, best practice is to re-run the MAS ./configure script with the desired new values and then rebuild MAS. | ||
Latest revision as of 19:27, 31 August 2016
mas.cfg is a configuration file for MAS itself (as opposed to mce.cfg which provides MAS with configuration information about an attached subrack). Typically, it is automatically generated by the MAS build process. As such, to modify mas.cfg in a consistent way, best practice is to re-run the MAS ./configure script with the desired new values and then rebuild MAS.
The file is a libconfig file containing three primary sections:
- mas, which contains default paths;
- log_client, which contains the address of the maslog server used by MAS client programs;
- log_server, which contains the configuration of maslog itself.
Modifying mas.cfg
The most important configuration information which affects mas.cfg, is the distinction between single-card MAS (the default, legacy configuration) and Multicard MAS, which permits controlling more than one fibre card simultaneously. Multicard MAS is enabled by passing --enable-multicard=N to ./configure. See Multicard MAS.
Other MAS ./configure options which affect the directories in the mas section of mas.cfg are:
--with-etc-dir=DIR sets the etcdir variable to DIR ("/etc/mce" by default)
--with-mas-root=DIR sets the masroot variable to DIR ("<MAS_PREFIX>/mce_script" by default)
--with-jam-dir=DIR sets the jamdir variable to DIR ("<MAS_PREFIX>/firmware" by default, although this will be changed to
"<MAS_ROOT>/firmware" in the legacy configuration if it exists at
configure time for backwards compatibility)
--with-mas-config=DIR sets the confdir variable to DIR ("<MAS_PREFIX>/config" by default)
--with-mas-temp=DIR sets the tmpdir variable to DIR ("/tmp" by default)
--with-data-root=DIR sets the dataroot variable to DIR in the legacy configuration ("/data/cryo" by default).
For multicard MAS, DIR can be a comma separated list of directories, one per supported
fibre card. If it isn't a list, fibre card numbers will be appended to DIR to create
a list with directories of the form DIR#. (in this case "/data/mce#" is used by
default).
Run ./configure --help for a complete list of options and see MAS OS setup for details on building MAS.
