Shane AO  

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Problem: No heartbeat from dispatcher for Keyheader service

Manifestation:

  • Electronic mail with subject: ShaneAO: No heartbeat from dispatcher for Keyheader service.

Solution/Recovery:

It is important that the keyheader service is re-started before any new data files are taken. If not, all FITS header information in all subsequent files shall be stale.

keyheader service runs on convert.

  • ping covert.ucolick.org — Verify machine is reponsive.
  • Connect as user to covert and determine whether service(s) are running:

    user@covert > ao status

  • If necessary, re-start the keyheader service:

    user@covert > ao start keyheader

Cause:

  • covert.ucolick.org running out of resources / about to crash.
  • Associated Issues:

    Change Log:

    2019-08-21: First version.

This document last updated (UTC): Tuesday 04 March 2025