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How to configure PowerChute Network Shutdown (PCNS) in Advanced UPS configuration with vSAN stretched cluster
Issue:
When PCNS is configured in Advanced UPS configuration with vSAN stretched cluster environment, then Witness VM is displayed in VM Prioritization page.
Product Line:
PowerChute Network Shutdown (PCNS)
Environment:
vSAN stretched cluster with Witness VM present in Datacenter.
Symptoms:
Witness Appliance (VM) is displayed in PCNS VM Prioritization page.
For VMware 7.0 (ESXi 7.0)
Resolution:
If PCNS is on a physical machine (outside cluster), then add the physical UPS Group to the last group, ie UPS Group 4, as shown in the example below.
Example: In a 2 node vSAN stretched cluster with Witness Appliance, configure PCNS with Advance UPS configuration and map Hosts to UPS Groups as below.
UPS Group 1 - vSAN host1
UPS Group 2 - vSAN host2
UPS Group 3 - Management host (VCSA) and Witness Appliance
UPS Group 4 – PCNS installed physical machine (unmapped group)
Recommendation: The recommended deployment for vSAN Stretched Cluster with Management Host (VCSA) is to place PCNS Appliance on the Management Host.
When PCNS is configured in Advanced UPS configuration with vSAN stretched cluster environment, then Witness VM is displayed in VM Prioritization page.
Product Line:
PowerChute Network Shutdown (PCNS)
Environment:
vSAN stretched cluster with Witness VM present in Datacenter.
Symptoms:
Witness Appliance (VM) is displayed in PCNS VM Prioritization page.
For VMware 7.0 (ESXi 7.0)
Resolution:
If PCNS is on a physical machine (outside cluster), then add the physical UPS Group to the last group, ie UPS Group 4, as shown in the example below.
Example: In a 2 node vSAN stretched cluster with Witness Appliance, configure PCNS with Advance UPS configuration and map Hosts to UPS Groups as below.
UPS Group 1 - vSAN host1
UPS Group 2 - vSAN host2
UPS Group 3 - Management host (VCSA) and Witness Appliance
UPS Group 4 – PCNS installed physical machine (unmapped group)
Recommendation: The recommended deployment for vSAN Stretched Cluster with Management Host (VCSA) is to place PCNS Appliance on the Management Host.
Released for:APC Nigeria
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