log in syslog:
prometheus-node-exporter[435656]: level=error ts=2021-07-19T10:13:26.943Z caller=collector.go:169 msg="collector failed" name=nvme duration_seconds=7.0752e-05 err="error obtaining NVMe class info: failed to list NVMe devices at "/sys/class/nvme": open /sys/class/nvme: no such file or directory"

Host operating system: output of uname -a

Linux 5.4.0-77-generic #86-Ubuntu SMP Thu Jun 17 02:35:03 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

node_exporter version: output of node_exporter --version

build user: root@6b17174de526
build date: 20210715-16:35:54
go version: go1.16.6
platform: linux/amd64

node_exporter command line flags

no

Are you running node_exporter in Docker?

no

What did you do that produced an error?

machine does not have nvme device.

What did you expect to see?

What did you see instead?