NVME-WDC-CU-SMART(1) NVMe Manual NVME-WDC-CU-SMART(1)

nvme-wdc-cu-smart-log - Send NVMe WDC cu-smart-log Vendor Unique Command, return result

nvme wdc cu-smart-log <device> [--output-format=<normal|json> -o <normal|json>]
                        [--uuid-index=<uuid-index> | -u <uuid-index>]

For the NVMe device given, retrieves and formats the Vendor Unique WDC 0xCA log page.

The <device> parameter is mandatory and may be either the NVMe character device (ex: /dev/nvme0) or block device (ex: /dev/nvme0n1).

This will only work on WDC devices supporting this feature. Results for any other device are undefined.

On success it returns 0, error code otherwise.

-o <fmt>, --output-format=<fmt>

Set the reporting format to normal, or json. Only one output format can be used at a time. Default is normal.

-u <uuid-index>, --uuid-index=<uuid-index>

Sets the uuid-index of the log page to be retrieved. Defaults to 0 if not given.

•Has the program issue WDC cu-smart-log plugin Command :
# nvme wdc cu-smart-log /dev/nvme0

Part of the nvme-user suite.

07/25/2025 NVMe