I have the same error. UPS seems to work fine in the Services tab:
device.mfr: American Power Conversion
device.model: Smart-UPS 1000
Any ideas?
Hello, please help, I do not draw graphs.
Failed to execute command 'omv-mkgraph 2>&1': ERROR: No DS called 'value' in '/var/lib/rrdcached/db//localhost/nut-ups/percent-charge.rrd'
CodeError #4000: exception 'OMVException' with message 'Failed to execute command 'omv-mkgraph 2>&1': ERROR: No DS called 'value' in '/var/lib/rrdcached/db//localhost/nut-ups/percent-charge.rrd'' in /usr/share/openmediavault/engined/rpc/rrd.inc:65 Stack trace: #0 [internal function]: OMVRpcServiceRrd->generate(NULL, Array) #1 /usr/share/php/openmediavault/rpcservice.inc(125): call_user_func_array(Array, Array) #2 /usr/share/php/openmediavault/rpc.inc(79): OMVRpcServiceAbstract->callMethod('generate', NULL, Array) #3 /usr/sbin/omv-engined(495): OMVRpc::exec('Rrd', 'generate', NULL, Array, 1) #4 {main}