Linux: writes are split into 512K chunks

Question

I have a user-space application that generates big SCSI writes (details below). However, when I\'m looking at the SCSI commands that reach the SCSI target (i.e. the storage,

Answer 1

Looking at the following files should tell you if the logical block size is different, possibly 512 in your case. I am not however sure if you can write to these files to change those values. (the logical block size that is)

/sys/block//queue/physical_block_size 
/sys/block//queue/logical_block_size