Storage glossary · JSON corpus · llms.txt · hesela.com

nvme-percentage-used · shipping · also Percentage Used, PUSED, percent_used

NVMe Percentage Used

NVMe Percentage Used is a vendor-specific estimate of the percentage of NVM endurance consumed by actual use.

Related Observatory article: NVMe Percentage Used on hesela.com

At 100, the estimated endurance has been consumed, but failure is not implied. Values may exceed 100; values above 254 are encoded as 255. The controller updates the estimate once per power-on hour outside sleep. This entry describes byte 5 of SMART / Health Information log 02h, not similarly named fields with a different scope. [2]

Relations

related
nvme-smart-log, nvme-available-spare, nvme-data-units-written

Limitations

Citations

  1. libnvme: struct nvme_smart_log, percent_used member (accessed 2026-10-14)
  2. NVM Express Base Specification 2.3, section 5.2.12.1.3, Figure 210, p. 215: Percentage Used (accessed 2026-10-14)

JSON: /data/terms/nvme-percentage-used.json