All;

I turned on device health metrics in one of our Nautilus clusters.  
Unfortunately, it doesn't seem to be collecting any information.

When I do "ceph device get-health-metrics <device>, I get the following;
{
    "20200821-223626": {
        "dev": "/dev/sdc",
        "error": "smartctl failed",
        "nvme_smart_health_information_add_log_error": "nvme returned an error: 
sudo: exit status: 1",
        "nvme_smart_health_information_add_log_error_code": -22,
        "nvme_vendor": "samsung_ssd_860_evo_4tb",
        "smartctl_error_code": -22,
        "smartctl_output": "smartctl returned an error (1): stderr:\nsudo: exit 
status: 1\nstdout:\n"
    }
}

The cluster is Nautilus 14.2.16 (updated from 14.2.11 just after turning on 
health metrics).  Smartctl is release 7.0 dated 2018-12-30 at 14:47:55 UTC.

Thoughts?

Thank you,

Dominic L. Hilsbos, MBA 
Director - Information Technology 
Perform Air International Inc.
[email protected] 
www.PerformAir.com
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