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When accessing the Health Monitor page, registred devices' pages are only showing 'No Data Available'.
Accessing device Health Monitor page onf FMC UI.
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The FMC UI only displays 'No Data Available' for the registered devices' health monitor pages. On Prometheus.log we see the following logs repeating constantly: caller=stdlib.go:105 level=error component=web caller="http: Accept error: accept tcp 127.0.0.1:9090" msg="accept4: too many open files; retrying in 1s" caller=stdlib.go:105 level=error component=web caller="http: Accept error: accept tcp 127.0.0.1:9090" msg="accept4: too many open files; retrying in 1s" caller=wlog.go:245 level=error component=tsdb msg="Failed to calculate size of \"wal\" dir" err="open /var/opt/prometheus/data/wal: too many open files" caller=head.go:532 level=error component=tsdb msg="Failed to calculate size of \"chunks_head\" dir" err="open /var/opt/prometheus/data/chunks_head: too many open files"
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