Hi, On 2023-06-30 18:58:20 -0400, Bruce Momjian wrote: > > [1] On linux I think you need to use stat() to figure out the st_dev for a > > file, then look in /proc/self/mountinfo for the block device, use the name > > of the file to look in /sys/block/$d/queue/physical_block_size. > > I just got a new server: > > https://momjian.us/main/blogs/blog/2023.html#June_28_2023 > > so tested this on my new M.2 NVME storage device: > > $ /sys/block/nvme0n1/queue/physical_block_size > 262144
Ah, I got the relevant filename wrong. I think it's logical_block_size, not physical one (that's the size of addressing). I didn't realize because the devices I looked at have the same... Regards, Andres