Hi Robert,
I'm not an expert on the low-level details and "modern" Ceph, so I hope I
don't lead you on any wild goose chases, but I might at least give some leads.
It seems odd that the metrics mention NVM/e - I'm guessing that it's just a
cross-product test and tries all tools on all devices. SMART test failure is
more of an issue. It's a pity the error message is so nondescript. Some things
I can think of from simplest to most complicated are:
* Are smartmontools installed on the drive host?
* Does the monitoring UID have sudo access?
* Does a manual "sudo smartctl -a /dev/sdc" give the same or similar result?
* Is the drive managed by a hardware RAID controller or concentrator (Like Dell
PERC or a USB adapter or something)
* (This is a stretch) Is there an OSD for the drive that's given the "NVME"
class?
Hope that gives you something.
M0les.
On Thu, 21 Aug 2025, at 17:15, Robert Sander wrote:
> Hi,
>
> On a new cluster with version 19.2.3 the device health metrics only show a
> smartctl error:
>
> {
> "20250821-000313": {
> "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": "ata",
> "smartctl_error_code": -22,
> "smartctl_output": "smartctl returned an error (1): stderr:\nsudo:
> exit status: 1\nstdout:\n"
> }
> }
>
> The device in question (like all the other in the cluster) is a Samsung
> MZ7L37T6 SATA SSD.
>
> What is happening here?
>
> Regards
> --
> Robert Sander
> Linux Consultant
>
> Heinlein Consulting GmbH
> Schwedter Str. 8/9b, 10119 Berlin
>
> https://www.heinlein-support.de
>
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>
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