switch power profile for nvme example
# apt install -y smartmontools smartctl -a /dev/nvme0 |grep "Supported Power States" -A 7 # apt install -y nvme-cli nvme get-feature /dev/nvme0 --feature-id=2 nvme set-feature /dev/nvme0 --feature-id=2 --value=2 # Low power nvme set-feature /dev/nvme0 --feature-id=2 --value=1 # Mid power nvme set-feature /dev/nvme0 --feature-id=2 --value=0 # High power (default)
WD_BLACK SN850X example
root@server6:~# smartctl -a /dev/nvme0 |grep "Supported Power States" -A 7 Supported Power States St Op Max Active Idle RL RT WL WT Ent_Lat Ex_Lat 0 + 8.25W 8.25W - 0 0 0 0 0 0 1 + 4.00W 4.00W - 0 0 0 0 0 0 2 + 3.40W 3.40W - 0 0 0 0 0 0 3 - 0.0300W - - 3 3 3 3 5000 11000 4 - 0.0035W - - 4 4 4 4 6000 52000 root@server6:~# nvme set-feature /dev/nvme0 --feature-id=2 --value=2 set-feature:0x02 (Power Management), value:0x00000002, cdw12:00000000, save:0 root@server6:~# nvme get-feature /dev/nvme0 --feature-id=2 get-feature:0x02 (Power Management), Current value:0x00000002
