changeset: 7331:ff4a0ebea300
user: Anders Widell <[email protected]>
date: Thu Mar 17 15:31:02 2016 +0100
summary: log: Support AMF configurations containing more than two OpenSAF
2N SUs [#79]
changeset: 7332:19b1c4230a1f
user: Anders Widell <[email protected]>
date: Thu Mar 17 15:31:07 2016 +0100
summary: imm: Support AMF configurations containing more than two OpenSAF
2N SUs [#79]
changeset: 7333:f729c7555b20
tag: tip
user: Anders Widell <[email protected]>
date: Thu Mar 17 15:31:41 2016 +0100
summary: immtools: Remove limitation of max two system controller nodes
[#79]
[staging:ff4a0e]
[staging:19b1c4]
[staging:f729c7]
---
** [tickets:#79] Support for spare system controllers - 2N + spare SCs**
**Status:** review
**Milestone:** 5.0.FC
**Labels:** #439 #1170
**Created:** Mon May 13, 2013 04:33 AM UTC by Nagendra Kumar
**Last Updated:** Tue Mar 15, 2016 02:17 PM UTC
**Owner:** Anders Widell
**Attachments:**
- [Support for Spare System Controllers in
OpenSAF.odt](https://sourceforge.net/p/opensaf/tickets/79/attachment/Support%20for%20Spare%20System%20Controllers%20in%20OpenSAF.odt)
(70.9 kB; application/vnd.oasis.opendocument.text)
-
[spare_sc.diff](https://sourceforge.net/p/opensaf/tickets/79/attachment/spare_sc.diff)
(116.6 kB; text/x-patch)
-
[spare_sc_uml_test.diff](https://sourceforge.net/p/opensaf/tickets/79/attachment/spare_sc_uml_test.diff)
(2.6 kB; text/x-patch)
Migrated from http://devel.opensaf.org/ticket/2101
This ticket and subsequent ticket
https://sourceforge.net/p/opensaf/tickets/1170/ is to support
the following two use scenarios
a) flexible deployment based on special hardware requirements for more than two
system controllers
b) multiple nodes failing simultaneously in a cattle-type of deployment
The following is the scope of this ticket:
* It will be possible to configure nodes termed as spares (to the system
controller group of nodes).
* If one of the system controller nodes dies, another "spare" system contoller
node (if there is any available) will be get an assignment (active / standby).
This assignment happens without requiring the spare system controller node to
reboot.
We can add support for configuring more than two system controllers. One node
will get an active assignment, another node will get a standby assignment, and
the rest of the system controller nodes will have no assignment for their
OpenSAF 2N SUs (they will be "spares").
For locking/unlocking the middleware 2N SU, refer the patch floated for
http://devel.opensaf.org/ticket/2023
Ticket #1170 will be supported subsequent to this ticket.
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