It can't be programmatically identified because manufacturers actively hide them. There are ATA commands for that, DM-SMR drives lie to it. I wouldn't be sure

It can't be programmatically identified because manufacturers actively hide them. There are ATA commands for that, DM-SMR drives lie to it. I wouldn't be sure why Toshiba M-prefixed 7K2 drives would be bad for NAS use cases. They're descendants of what were used in high performance SPARC servers. Hot, dense, obnoxious, but that's just Fujitsu. They're plenty reliable, performant, and perfect for your all-important on-line/near-line data! You just have to look away from bills(/s). 0: https://www.techpowerup.com/265841/some-western-digital-wd-red-hdds-allegedly-use-smr-a-big-nono-for-nas-and-raid https://www.techpowerup.com/265841/some-western-digital-wd-r... 1: https://www.techpowerup.com/265889/seagate-guilty-of-undisclosed-smr-on-certain-internal-hard-drive-models-too-report https://www.techpowerup.com/265889/seagate-guilty-of-undiscl... 2: https://www.smartmontools.org/ticket/1313 https://www.smartmontools.org/ticket/1313