'nvme list' shows 100% usage on empty drives

[Caleb Sander Mateos]

On Fri, May 9, 2025 at 10:53 AM Eric Robinson <eric.robinson at psmnv.com> wrote:
>
> Why does 'nvme list' show drives as fully used when they are not? Note that 4 of the drives show as fully used. These drives have been secure-erased.

These values are whatever the device reports in the Identify Namespace
data structure. If the values don't look right to you, take it up with
the drive manufacturer, not Linux or nvme-cli.

Best,
Caleb

>
> [root at ha54b ~]# nvme list
> Node                  Generic               SN                   Model                                    Namespace  Usage                      Format           FW Rev
> --------------------- --------------------- -------------------- ---------------------------------------- ---------- -------------------------- ---------------- --------
> /dev/nvme0n1          /dev/ng0n1            PHLN112302DB6P4CGN   Dell Express Flash NVMe P4610 6.4TB SFF  0x1          6.40  TB /   6.40  TB    512   B +  0 B   VDV1DP24
> /dev/nvme1n1          /dev/ng1n1            42W0A02NTCA8         Dell Ent NVMe CM6 MU 6.4TB               0x1          4.10  kB /   6.40  TB    512   B +  0 B   2.1.8
> /dev/nvme2n1          /dev/ng2n1            PHLN112201RM6P4CGN   Dell Express Flash NVMe P4610 6.4TB SFF  0x1          6.40  TB /   6.40  TB    512   B +  0 B   VDV1DP24
> /dev/nvme3n1          /dev/ng3n1            PHLN112302BA6P4CGN   Dell Express Flash NVMe P4610 6.4TB SFF  0x1          6.40  TB /   6.40  TB    512   B +  0 B   VDV1DP24
> /dev/nvme4n1          /dev/ng4n1            42W0A02STCA8         Dell Ent NVMe CM6 MU 6.4TB               0x1          4.10  kB /   6.40  TB    512   B +  0 B   2.1.8
> /dev/nvme5n1          /dev/ng5n1            PHLN112302C16P4CGN   Dell Express Flash NVMe P4610 6.4TB SFF  0x1          6.40  TB /   6.40  TB    512   B +  0 B   VDV1DP24
>
> -Eric
>
>
>
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