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Problem: No heartbeat from dispatcher for Woofer service
Manifestation:
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If present at console, eventsounds emits audible warning.
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Electronic mail with subject: ShaneAO: No heartbeat from dispatcher
for Woofer service with the following content:
No heartbeat keyword has been received from the
dispatcher for Woofer service, (keyword wooferao.HEART) in 1.0 minutes
[Tracking information: this email from dispatcher #2 is part of the
actionlist for WOOFER, and was triggered by an update to keyword:
SERVICESSTA (Dcounter=46743804). dinfo = onchange/3/6]
Solution/Recovery:
Level 1:
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ping musher.ucolick.org — Verify no communication with woofer controller.
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In ShaneAO Power Controls, power-cycle outlet B2 musher computer OFF and ON.
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ping musher.ucolick.org — Verify communication with woofer controller.
Level 2 (if level 1 unsuccessful):
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Exit shaneao real-time code: In ShaneAO window, hit return/enter
to acquire a python (>>>) prompt; type exit().
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Exit ShaneAO - peeko: In Peeko terminal, hit return/enter
to acquire a python (>>>) prompt; type exit().
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Exit ShaneAO - tt peeko: In TT Peeko terminal, hit return/enter
to acquire a python (>>>) prompt; type exit().
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Quit ShaneAO loop control GUI:
Under menu item File..., Quit.
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In ShaneAO Power Controls, power outlet B1 rtc/real computer OFF (for at least 120 s).
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In ShaneAO Power Controls, power outlet B2 musher computer OFF (for at least 120 s).
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In ShaneAO Power Controls, power outlet B1 rtc/real computer ON.
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In ShaneAO Power Controls, power outlet B2 musher computer ON.
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Restart instrument monitoring services:
user@shadow: /usr/local/lick/bin/ao restart saomon
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From workspace pull-down menu, (re-)launch ShaneAO loop control GUI.
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From workspace pull-down menu, (re-)launch shaneo real-time code.
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From workspace pull-down menu, (re-)launch Peeko display.
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From workspace pull-down menu, (re-)launch TTPeeko display.
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In ShaneAO loop control GUI:
WFS camera reset, TT camera reset, WFS camera dark TT camera dark.
Cause:
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Power/network/communication glich(es).
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Crash of musher.ucolick.org.
Associated Issues:
Change Log:
- 2025-03-03: Updated.
- 2016-11-20: Updated.
- 2015-04-01: First version.
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