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Difference between revisions of "Obsolete:Autoha"

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Latest revision as of 18:59, 9 January 2015

Warning.svg Old Design Page

This page was used to help design a feature for a previous release of OpenStack. It may or may not have been implemented. As a result, this page is unlikely to be updated and could contain outdated information. It was last updated on 2015-01-09

Summary

Rationale

Concepts of Auto HA

Concept of Auto HA

DB Table

id created_at updated_at deleted_at deleted src_host_ruined_at src_host host cell used
1 2012-12-13 00:24:26 2012-12-14 13:22:24 2012-12-17 07:17:37 1 2012-12-13 20:00:00 NULL cn1s a_cell 0
2 2012-12-18 06:11:36 NULL 2012-12-18 06:12:00 1 NULL NULL cn1s b_cell 0
3 2012-12-18 06:25:45 NULL 2012-12-18 06:32:17 1 NULL NULL cn1s b_cell 0
4 2013-02-27 07:25:2 2013-02-28 00:17:24 NULL 0 2012-12-13 20:00:00 cn3s cn2s b_cell 1
  • create_a : registerd time for auto ha host
  • update_at : table updated time
  • deleted_at : tabled deleted time
  • deleted : this value changed from false to true when auto ha host is deleted
  • src_host_ruined_at : ruined time of broken host ( ceilometer cll throgh api including time and broken host)
  • src_host : broken host
  • host : auto ha host which VMs will provision on
  • cell : cell where the auto ha host included
  • used : check if auto ha host is used or not( nova check the number of instances on the host through periodic task)

admin command

HA option

API Call for Auto HA

Periodic task for Auto HA