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System components
Dominic Oram edited this page Feb 5, 2018
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This is a table of the major components of IBEX server.
| Name | Console Name | Type | What it does |
|---|---|---|---|
| Active MQ | JMS | Java | ActiveMQ used to transmit log and alarm data |
| Alarm server | ALARM | Java | Serves alarms which appear in the alarms perspective |
| Archive access | ARACCESS | python | Creates log files based on the archive |
| Block Archive | ARBLOCK | Java | Archives (in mysql db) blocks set in a configuration (restarted when blocks change) see CSS-Archive-Engine |
| Block Cache | BLOCKCACHE | Python | Program which caches block values and provides them via a CS:BLOCKSERVER:BLOCKVALUES. This is done to avoid genie python etc making too many calls to the various block PVs. |
| Block Gateway | GWBLOCK | EPICS Gateway | Aliases the dynamically created block PVs e.g. CS:SB:FURNACE_TEMP to the underlying PV e.g. EUROTHRM_01:A01:TEMP see Block server |
| Block server | BLOCKSRV | Python | Manages configurations and blocks associated with them see Settings-and-Configurations |
| CA Repeater | CAREP | Executable | A epics CA repeater that is started before all other processes. This repeats UDP broadcasts to CA clients on the same machine |
| Database server | DBSVR | Python | PVs for items stored in the data base, e.g. ioc pv info, experiment details |
| Experiment DB | EXPDB | Python | PVs for the experimental database which contains users and runnumbers |
| External/Access Gateway | GWEXT | EPICS Gateway | Gateway to allow access to PVs from outside localhost |
| Inst etc | INSTETC_01 | Epics IOC | PVs which are for instrument level, e.g. motors moving and security pvs |
| Instrument Archive | ARINST | Java | Archives (in mysql db) pvs with archive property see CSS-Archive-Engine |
| IOC Message Logger | IOCLOG | Java | Collects messages sent by any IOC, logs it in the database and put it on the JMS message queue |
| ISIS DAE | ISISDAE_01 | Epics IOC | Controls the ISIS ICP program which collects data |
| MySQL | runs as a service | Service | My SqlDatabase is used for persisting data |
| Nicos | NICOSDAEMON | Python | Process which runs and queues python scripts on an instrument |
| Proc Serve Control | PSCTRL | Epics IOC | Control proc serves (start, stop and status) |
| Run Control | RUNCTRL_01 | Epics IOC | Add run control to blocks |
| Script server (Interface to Nicos) | SCRIPTSERVER | Python | Script server is a proxy in front of nicos to allow communication with it |
All components are started via Statup and Shutdown