Either have a standalone cluster setup or have minimum 3 to a maximum 18 nodes for a valid cluster setup" - Error message when attempting to upgrade Aria Operations for Logs using Aria Suite Lifecycle.

Products

• VMware Aria Suite

Issue/Introduction

Upgrading a single Aria Operations for Logs cluster through VMware Aria Suite Lifecycle shows error similar to below in /var/log/vrlcm/vmware_vrlcm.log :

{ "id" : null, "checkName" : "Valid IP/FQDN (master) for upgrade.", "checkType" : "ERROR", "status" : "PASSED", "recommendations" : null, "resultDescription" : "An upgrade should be triggered with master node's IP/FQDN. Here IP/FQDN used is xxx.xxx.xxx.xx.", "elementType" : "CHECK", "childElements" : null, "localizedCheckNameId" : null, "localizedRecommendationsIds" : null, "recommendationParams" : null, "localizedDescriptionId" : null, "descriptionParameter" : null }
,

{ "id" : null, "checkName" : "Cluster setup check for VMware Aria Operations for Logs.", "checkType" : "ERROR", "status" : "FAILED", "recommendations" : [ "Deploy either a single node or update worker nodes." ], "resultDescription" : "Either have a standalone cluster setup or have minimum 3 to a maximum 18 nodes for a valid cluster setup.", "elementType" : "CHECK", "childElements" : null, "localizedCheckNameId" : null, "localizedRecommendationsIds" : null, "recommendationParams" : null, "localizedDescriptionId" : null, "descriptionParameter" : null }
, {
"id" : null,
"checkName" : "All nodes should be connected.",
"checkType" : "ERROR",
"status" : "PASSED",
"recommendations" : null,
"resultDescription" : "All nodes connection status should be either CONNECTED or MAINTENANCE for upgrade.",

Environment

Aria Operations for logs 8.x

VMware Aria Suite Lifecycle 8.x

Resolution

1. Delete the Aria Operations for logs product in the environment, do not select the option Delete related virtual machines from vCenter . 
2. Once deletion is completed, import Aria Operations for Logs into the same environment where it was initially deleted from.
3. Once the import is done, trigger an inventory sync
4. Try the upgrade again.