RIPE-NCC
July 8, 2000
Figure 1 shows the states and the possible transistions between them.
Which processes should run when is shown in table 1.
No processes should run when the box is in the Reserved or Historic state.
CFE should actively check that processes that should not run in a particular state are terminated should they still exist.
Process | Off | Setup | Watch | On | historic | reserved |
Test connectivity | ||||||
by NCC (1) | Yes | Yes | Yes | Yes | No | No |
Update software | No | Yes | Yes | Yes | No | No |
Update configuration | No | Yes | Yes | Yes | No | No |
- Chainfile | Yes | Yes | Yes | Yes | No | No |
Data-taking | ||||||
- clock-monitor (2) | No | Yes | Yes | Yes | No | No |
- data-taking (3) | No | No | Yes | Yes | No | No |
Collect data | No | Yes | Yes | Yes | No | No |
Analyze | ||||||
- Always (4) | No | No | Yes | Yes | No | No |
- ``Good data'' (5) | No | No | No | Yes | No | No |
Clean-up of old data | ||||||
on TB | No | Yes | Yes | Yes | No | No |
TB-alarms | No | No | No | Yes | No | No |
Configuration files | ||||||
- DNS file | Yes | Yes | Yes | Yes | No | No |
- LIST_OF_TESTBOXES | Yes | Yes | Yes | Yes | Yes | No |
- list_of_testboxes | No | No | Yes | Yes | No | No |
- WWW-pages | ||||||
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Yes | Yes | No | No | No | No |
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Yes | Yes | Yes | Yes | No | No |
- GPS Info | Yes | Yes | Yes | Yes | No | No |
- MAPS | Yes | Yes | Yes | Yes | No | No |
[x] Which processes run in which state.
Some comments on the table:
For the time being, by hand. As a longer term action, we should establish a list of conditions that always trigger a certain state change. This can then be added as ``artificial intelligence'' to the system. For example: if a box fails the connectivity test X times out of Y, then it should move to OFF.
This document was generated using the LaTeX2HTML translator Version 97.1 (release) (July 13th, 1997)
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The translation was initiated by Henk Uijterwaal on 7/8/2000
Henk Uijterwaal