tested with 4.5.0-0.nightly-2020-10-25-174204, bound nfs pv, no "failed to parse mountstats: invalid NFS per-operations stats" errors, example: # oc -n openshift-monitoring logs -c node-exporter node-exporter-tlpwx time="2020-10-26T02:06:30Z" level=info msg="Starting node_exporter (version=0.18.1, branch=rhaos-4.5-rhel-7, revision=950a287493d48a41462ca52b0947c2e75746c61e)" source="node_exporter.go:156" time="2020-10-26T02:06:30Z" level=info msg="Build context (go=go1.13.4, user=root@2082427c3b1a, date=20201025-05:11:06)" source="node_exporter.go:157" time="2020-10-26T02:06:30Z" level=info msg="Enabled collectors:" source="node_exporter.go:97" time="2020-10-26T02:06:30Z" level=info msg=" - arp" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - bcache" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - bonding" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - conntrack" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - cpu" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - cpufreq" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - diskstats" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - edac" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - entropy" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - filefd" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - filesystem" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - infiniband" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - ipvs" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - loadavg" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - mdadm" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - meminfo" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - mountstats" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - netclass" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - netdev" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - netstat" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - nfs" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - nfsd" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - pressure" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - sockstat" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - stat" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - textfile" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - time" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - timex" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - uname" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - vmstat" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - xfs" source="node_exporter.go:104" time="2020-10-26T02:06:30Z" level=info msg=" - zfs" source="node_exporter.go:104"
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (OpenShift Container Platform 4.5.17 bug fix update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:4325