- **labels**: 5.0 --> 5.0, #439, #79
- **summary**: Support for multiple standby controllers elected to run in
different availability zones --> Support for multiple hot-standby controllers
elected to run in different availability zones
- Description has changed:
Diff:
~~~~
--- old
+++ new
@@ -1,12 +1,13 @@
-The ticket is to track/enable support for multiple hot standby controllers
that would be running(by configuration or election) on different 'availability
zones'(for eg:- 5 of them) in cloud deployments.
+The ticket is an extension of https://sourceforge.net/p/opensaf/tickets/79/
-To be able to support multiple usecases around enhanced cluster management and
cloud deployments that might require to be able to handle double faults on
controller nodes.
+To be able to support usecases involving
+a) flexible deployment based on special hardware requirements to deploy for
more than two system controllers
+b) multiple nodes failing simultaneously in virtualized environments (cattles)
-- First and foremost would be to check (and or prototype) the status of MBCSv
to synchup with multiple standbys. (it should work by default!)
-
-- clustering changes
-
-- packaging changes, ... more.
-
-This is a place holder ticket
+ The scope of this ticket is to
+ (a) support multiple hot-standby system controllers
+ (b) use RAFT adaptation layer(refer #439) for leader election and fencing and
arbitration
+ (c) harden the checkpointing mechanism for maintaining hot standbys -
possibly use RAFT for maintaining hot standbys!
+ With tickets #79, #439 in place, this ticket would enable opensaf to be
flexibly deployed with spares and or multiple standby system controllers.
+
~~~~
---
** [tickets:#1170] Support for multiple hot-standby controllers elected to run
in different availability zones**
**Status:** assigned
**Milestone:** 5.0.FC
**Labels:** 5.0 #439 #79
**Created:** Wed Oct 15, 2014 08:37 AM UTC by Mathi Naickan
**Last Updated:** Sun Nov 01, 2015 09:36 PM UTC
**Owner:** Mathi Naickan
The ticket is an extension of https://sourceforge.net/p/opensaf/tickets/79/
To be able to support usecases involving
a) flexible deployment based on special hardware requirements to deploy for
more than two system controllers
b) multiple nodes failing simultaneously in virtualized environments (cattles)
The scope of this ticket is to
(a) support multiple hot-standby system controllers
(b) use RAFT adaptation layer(refer #439) for leader election and fencing and
arbitration
(c) harden the checkpointing mechanism for maintaining hot standbys - possibly
use RAFT for maintaining hot standbys!
With tickets #79, #439 in place, this ticket would enable opensaf to be
flexibly deployed with spares and or multiple standby system controllers.
---
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