sg_write_same: version: 1.11 20151220

Usage: sg_write_same [--10] [--16] [--32] [--anchor] [--grpnum=GN] [--help] [--in=IF] [--lba=LBA] [--lbdata] [--ndob] [--num=NUM] [--pbdata] [--timeout=TO] [--unmap] [--verbose] [--version] [--wrprotect=WRP] [xferlen=LEN] DEVICE where: --10|-R do WRITE SAME(10) (even if '--unmap' is given) --16|-S do WRITE SAME(16) (def: 10 unless '--unmap' given, LBA+NUM > 32 bits, or NUM > 65535; then def 16) --32|-T do WRITE SAME(32) (def: 10 or 16) --anchor|-a set anchor field in cdb --grpnum=GN|-g GN GN is group number field (def: 0) --help|-h print out usage message --in=IF|-i IF IF is file to fetch one block of data from (use LEN bytes or whole file). Block written to DEVICE --lba=LBA|-l LBA LBA is the logical block address to start (def: 0) --lbdata|-L set LBDATA bit (obsolete) --ndob|-N set 'no data-out buffer' bit --num=NUM|-n NUM NUM is number of logical blocks to write (def: 1) [Beware NUM==0 may mean rest of device] --pbdata|-P set PBDATA bit (obsolete) --timeout=TO|-t TO command timeout (unit: seconds) (def: 60) --unmap|-U set UNMAP bit --verbose|-v increase verbosity --version|-V print version string then exit --wrprotect=WPR|-w WPR WPR is the WRPROTECT field value (def: 0) --xferlen=LEN|-x LEN LEN is number of bytes from IF to send to DEVICE (def: IF file length) Performs a SCSI WRITE SAME (10, 16 or 32) command