Please find the Configuration file and traces attached for TC #4.
Configuration: SC-1 and 3 payloads PL-3, PL-4, PL-5 hosting SU1, SU2 and SU3
resp. 2N Red model.
Steps:
1. Start all nodes, SU1 has Act and SU2 has Standby and SU3 is spare.
2. Lock SI and keep gdb in quisced callback of SU1 component and stop SC-1.
After SC-1 is down i.e. headless situation, then kill component of SU1. SU
failover happens.
3. Now, Start SC-1 and then unlock SI.
---
** [tickets:#1725] AMF: Recover transient SUSIs left over from headless**
**Status:** fixed
**Milestone:** 5.1.FC
**Created:** Wed Apr 06, 2016 07:16 AM UTC by Minh Hon Chau
**Last Updated:** Tue Oct 25, 2016 12:05 AM UTC
**Owner:** nobody
This ticket is more likely an enhancement that targets on how AMFD detect and
recover the transients SUSI left over from headless. There are three major
situations:
(1) - Cluster goes headless, su/node failover on any payloads can happen, or
any payloads can be hard rebooted/powered off by operator, then cluster recover
(2) - issue admin op on any AMF entities, cluster goes headless. During
headless, the middle HA assignments of whole admin op sequence between AMFND
and components could be:
(2.1) The assignment completes, component returns OK with csi callback,
then cluster recover
(2.2) The assignment is under going, then cluster recover. The assignment
afterward could complete, or csi callback returns FAILED_OPERATION or error can
also happen
At the time cluster recover, amfd has collected all assignments from all
amfnd(s). These assignments can be in assigned or assigning states whilst its
HA states do not conform its SG redundancy. Any of (1) (2.1) (2.2) can happen
in a combination, which means while issuing admin op (2), cluster go headless
and any kinds of failover (1) can happen during headless.
---
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