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[PCA] Upgrade Seciond Management Node Failed with "FATAL ERROR: The pre-upgrade verification module is missing" (Doc ID 2517309.1)

Last updated on APRIL 25, 2021

Applies to:

Private Cloud Appliance - Version 2.3.1 to 2.3.3 [Release 2.0]
Linux x86-64


Upgrade the second Management Node failed right after kicked off, no update task was created.

[root@ovcamn06r1 ~]# pca-admin update appliance install_image
Are you sure [y/N]:y

About to run the Pre-Upgrade checks and to export the OVM Database;
this may take over an hour to complete.

Please allow ample time for these jobs to finish; a success
or failure status message will be printed once they have been
completed and the upgrade has officially started.

Status: Failure
Error Message: FATAL ERROR: The pre-upgrade verification module is missing.

/var/log/ovca.log shows same exception:

[2019-03-13 00:40:34 17545] INFO (util:420) This node ( is the master
[2019-03-13 00:40:37 17545] ERROR (api_util:37) Error while invoking API.
Traceback (most recent call last):
File "/usr/lib/python2.6/site-packages/ovca/api/", line 35, in inner
ret = func(*args, **kwargs)
File "/usr/lib/python2.6/site-packages/ovca/api/", line 744, in update_ovca
if not update.pre_upgrade_verification():
File "/usr/lib/python2.6/site-packages/ovca/", line 1175, in pre_upgrade_verification
return mgmt.run_pre_upgrade_verification()
File "/usr/lib/python2.6/site-packages/ovca/", line 1241, in run_pre_upgrade_verification
raise Exception('FATAL ERROR: The pre-upgrade verification module is missing.')
Exception: FATAL ERROR: The pre-upgrade verification module is missing.



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