Management High Availability Synchronizaton failure

Problem description

• Management HA is failing to sync the secondary CMA via SmartDashboard > Policy > Management High Availability
• Error message: "Failed to receive current status. Reason: 'Management High Availability feature is not enabled.

• The smart_center_backup parameter in the objects_5_0.C is false when it should be true

[Expert@provider-1]# mdsenv cma-primary
[Expert@provider-1]# cpmiquerybin attr "" network_objects "management='true'" -a __name__,smart_center_backup
cma-primary true
cma-secondary       false

• The secondary CMA is newly created and has never been synchronized. Synchronization during the CMA creating failed.
• Error messages from cpca.elg of the secondary cma:

main: could not initiate the Certificate Authority. No Certificate Authority existing

• The cpca process on the secondary CMA is down and fails to start.

[Expert@provider-1]# mdsstat                             |
+-----+----------------+-----------------+------------+----------+----------+----------+
| Type| Name           | IP address      | FWM        | FWD      | CPD      | CPCA     |
+-----+----------------+-----------------+------------+----------+----------+----------+
| MDS |        -       | 192.168.1.1     | up 3421    | up 3420  | up 3419  | up 3956  |
+-----+----------------+-----------------+------------+----------+----------+----------+
| CMA | cma-primary    |  192.168.1.2    | up 21716   | up 21715 | up 21705 | down     |

Solution

• Change the smart_center_backup parameter to true using dbedit, gui-dbedit or by editing the objects_5_0.C file.

One the primary cma

1. stop cma
2. mdsenv cma-primary
3. rm $FWDIR/conf/mgha/*
4. start cma
5. Manually synchronized the secondary via SmartDashboard > Policy > Management HighAvailability

After the sync was successful, the cpca on the secondary cma should start on its own.

[Expert@provider-1]# mdsstat                             |
+-----+----------------+-----------------+------------+----------+----------+----------+
| Type| Name           | IP address      | FWM        | FWD      | CPD      | CPCA     |
+-----+----------------+-----------------+------------+----------+----------+----------+
| MDS |        -       | 192.168.1.1     | up 3421    | up 3420  | up 3419  | up 3956  |
+-----+----------------+-----------------+------------+----------+----------+----------+

| CMA | cma-primary | 192.168.1.2 | up 21716 | up 21715 | up 21705 | up 21785 |