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SNMP shutdown of ReadyNAS 6.10.9 using CyberPower UPS not working
CyberPower rack-mount UPS CP1500PFCRM2U powering 4 ReadyNAS boxes (212, 314, 424, 528X). All are Ethernet connected including UPS using RMCARD205 optional Ethernet Card. ReadyNAS are all con...
When UPS is on battery, battery can drain all the way to 0% and NAS units never gracefully shut down.
Try powering all the equipment connected to the UPS to normal mains power, leaving the network connections. Then connect something else to the UPS power, and pull the plug. See if the NAS shuts down normally when the power drains.
Of course you do need to make sure that any switches between the NAS and the UPS are also protected. If they are also using SNMP to power down, it is important that that not happen until after the NAS shuts down.
Hi StephenB , good to hear from you as well. Yes am well aware of the power requirements, I have a Ubiquiti rack with UDMP Max controller, multiple switches, UNAS Pro, HAOS laptop, etc., all connected to a Ubiquiti PDU Pro power distribution box that connects to the UPS. The shutdown thresholds I'm working with ensure the NAS are properly powered down before the controller/switches/etc lose power themselves. Everything works as expected, with two exceptions: (1) ReadyNAS on SNMP doesn't power down as the battery drains all the way to 0%, and (2) UGreen NAS UPS interface is a mess, doing silly things like trying to start its NUT server while configured as a NUT client, locked-out GUI, false connection failure notifications, etc. As noted, I've solved the ReadyNAS issue for now by configuring them as Remote UPS connections, and using HAOS NUT server to send shutdown signals when battery reaches 20%. It works, but wanted to check with you guys if you ever saw issues with SNMP UPS connection failing to execute shutdown. The fact that all 4 NAS boxes failed to shut down is probably a clue to whatever's going wrong.
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