created: 2023-08-23 18:19:59 (+00:00; UTC; UTC)
last modified: 2023-08-27 18:02:40 (+00:00; UTC; UTC)

NVMe Cheat Sheet

List Devices

nvme list

SMART Info

nvme smart-log /dev/nvme0

nvme smart-log-add /dev/nvme0

nvme error-log /dev/nvme0

Check Support

nvme id-ctrl -H /dev/nvme0n1

oacs    : 0x17
  [1:1] : 0x1 Format NVM Supported
fna     : 0
  [2:2] : 0 Crypto Erase Not Supported as part of Secure Erase

[2:2] : 0   Overwrite Sanitize Operation Not Supported
[1:1] : 0x1 Block Erase Sanitize Operation Supported
[0:0] : 0   Crypto Erase Sanitize Operation Not Supported

nvme id-ns -H /dev/nvme0n1

[6:5] : 0     Most significant 2 bits of Current LBA Format Selected
[3:0] : 0     Least significant 4 bits of Current LBA Format Selected
LBA Format  0 : Metadata Size: 0   bytes – Data Size: 512 bytes – Relative Performance: 0 Best (in use)
LBA Format  1 : Metadata Size: 8   bytes – Data Size: 512 bytes – Relative Performance: 0 Best
LBA Format  2 : Metadata Size: 0   bytes – Data Size: 4096 bytes – Relative Performance: 0 Best
LBA Format  3 : Metadata Size: 8   bytes – Data Size: 4096 bytes – Relative Performance: 0 Best
LBA Format  4 : Metadata Size: 64  bytes – Data Size: 4096 bytes – Relative Performance: 0 Best

Format No Secure Erase (TRIM/Deallocate LBAs)

nvme format /dev/nvme0n1 --ses=0

Format Crypto Erase

nvme format /dev/nvme0n1 --ses=2

Format User Data Erase

nvme format /dev/nvme0n1 --ses=1

Format Change Native Sector Size

nvme format --lbaf=1 /dev/nvme0n1

Sanitize Crypto Erase

nvme sanitize -a 0x4 /dev/nvme0n1

Sanitize Block Erase

nvme sanitize -a 0x2 /dev/nvme0n1

Sanitize Status

nvme sanitize-log /dev/nvme0n1

Running

Sanitize Progress                      (SPROG) :  16704
Sanitize Status                        (SSTAT) :  0x2

Complete

Sanitize Progress                      (SPROG) :  65535
Sanitize Status                        (SSTAT) :  0x101

Sources/Links

2023-08-23

• https://tinyapps.org/docs/nvme-sanitize.html
• https://tinyapps.org/docs/nvme-secure-erase
• https://web.archive.org/web/20221207173415/https://www.kappawingman.com/posts/storage/2020/04/07/using-nvme-cli-and-smartmontools-to-check-the-healthiness-of-nvme-sticks/
• https://www.percona.com/blog/using-nvme-command-line-tools-to-check-nvme-flash-health/
• https://nvmexpress.org/open-source-nvme-management-utility-nvme-command-line-interface-nvme-cli/
• https://manpages.org/nvme-format
• https://manpages.org/nvme-id-ns
• https://wiki.archlinux.org/title/Solid_state_drive/NVMe
• https://wiki.archlinux.org/title/Solid_state_drive/Memory_cell_clearing#NVMe_drive
• https://wiki.archlinux.org/title/Advanced_Format#NVMe_solid_state_drives
• https://www.bjonnh.net/article/20210721_nvme4k/