1 / 7

Alarm Handler Upgrade and Channel Watcher Status

This document summarizes the EPICS Collaboration Meeting at BESSY-II on May 22, 2002, covering upgrades to Alarm Handler (ALH) and Channel Watcher tools, including their modes of operation, new features, status, comments, wishes, and ongoing improvements.

evelynanderson
Download Presentation

Alarm Handler Upgrade and Channel Watcher Status

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Alarm Handler Upgrade andChannel Watcher Status ALH Upgrade: Judy Rock Channel Watcher: Mike Zelazny/James Silva EPICS Collaboration Meeting, BESSY-II May 22, 2002

  2. Alarm Handler (ALH) andChannel Watcher at SLAC Restore Values Restore Files Channel Watchers PV Names/Options Config Files CMLOG Browsers, Legacy ERRLOG CMLOG SRVR Alarm Loggers Messages Messages Monitors IOCs Alarm Log Files Messages Config Files PV Names/Options Alarm Browsers Monitors Gateways Local Messages EPICS Collaboration Meeting, BESSY-II May 22, 2002

  3. ALH at SLAC 3 Modes of Operation: • Standalone Alarm Loggers • All alarms to CMLOG, last 1000 msgs in alarm log • Multiple processes to logically divide PVs • No user interface - Xvfb (X virtual frame buffer) • Read-Only Alarm Browsers • View messages only, no logging • No global operator action • Operator Alarm Browsers (not yet used) • View messages • Operator action logging, no alarm logging • Global acknowledgement and other actions EPICS Collaboration Meeting, BESSY-II May 22, 2002

  4. ALH – Additions to 1.2.9 • More verbose CMLOG “text” tag (-wCM) • CMLOG “host” tag set to IOC (-wCM) • Allow browser other than Netscape (-b) • Disable writing to alarm log file (-Dal) • Treat EOL in guidance like a blank line • Files needed for message broadcast kept in log area instead of config area EPICS Collaboration Meeting, BESSY-II May 22, 2002

  5. ALH – Status, Comments, Wishes • In production since April, 2002 • In progress: throttling of CMLOG messages • Problem when using the LOCK feature • Need configurable delay time for message broadcasting • Problem with PV change logging when in global mode • Allow config file NoAck option to override the ACKT field • Replace config files with Oracle database EPICS Collaboration Meeting, BESSY-II May 22, 2002

  6. Channel Watcher Status • In production since January 2002 • ENUM and CW restart problems fixed • CMLOG is now a plug-in at build time • Distribution web page now available • …but CW currently works for only a special restore file format EPICS Collaboration Meeting, BESSY-II May 22, 2002

  7. Channel Watcher To-Do List • In progress: throttling of CMLOG messages • Convert restore file format to type used by caGet and caPut • Add web interface for statistics • Replace config files with Oracle database • Write restore values to Oracle EPICS Collaboration Meeting, BESSY-II May 22, 2002

More Related