For a fault during headless, AMF is leaving the application in the same state
with the following update in syslog on SU hosted payload.
Sep 7 19:38:39 SCALE_SLOT-94 osafamfnd[5104]: CR SU-SI record addition failed,
SU= safSu=TestApp_SU2,safSg=TestApp_SG1,safApp=TestApp_TwoN :
SI=safSi=TestApp_SI1,safApp=TestApp_TwoN
Sep 7 19:38:39 SCALE_SLOT-94 osafamfnd[5104]: CR SU-SI record addition failed,
SU= safSu=TestApp_SU2,safSg=TestApp_SG1,safApp=TestApp_TwoN :
SI=safSi=TestApp_SI2,safApp=TestApp_TwoN
Sep 7 19:38:39 SCALE_SLOT-94 osafamfnd[5104]: CR SU-SI record addition failed,
SU= safSu=TestApp_SU2,safSg=TestApp_SG1,safApp=TestApp_TwoN :
SI=safSi=TestApp_SI3,safApp=TestApp_TwoN
Sep 7 19:38:39 SCALE_SLOT-94 osafamfnd[5104]: CR SU-SI record addition failed,
SU= safSu=TestApp_SU2,safSg=TestApp_SG1,safApp=TestApp_TwoN :
SI=safSi=TestApp_SI4,safApp=TestApp_TwoN
In the above situation, application with active assignment faulted during
headless and node went for reboot. Once the controller joins , the above syslog
is printed and the application is left with ONLY standby assignment.
If AMF application is left with improper assignments and this ticket is
targeting the above scenario and others like #1869, then this ticket should be
marked as **defect**.
---
** [tickets:#1725] AMF: Recover transient SUSIs left over from headless**
**Status:** accepted
**Milestone:** 5.1.FC
**Created:** Wed Apr 06, 2016 07:16 AM UTC by Minh Hon Chau
**Last Updated:** Thu May 05, 2016 12:22 PM UTC
**Owner:** Minh Hon Chau
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, 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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