sg_write_verify: version: 1.08 20151220

Usage: sg_write_verify [--16] [--bytchk=BC] [--dpo] [--group=GN] [--help] [--ilen=IL] [--in=IF] --lba=LBA [--num=NUM] [--repeat] [--timeout=TO] [--verbose] [--version] [--wrprotect=WPR] DEVICE where: --16|-S do WRITE AND VERIFY(16) (default: 10) --bytchk=BC|-b BC set BYTCHK field (default: 0) --dpo|-d set DPO bit (default: 0) --group=GN|-g GN GN is group number (default: 0) --help|-h print out usage message --ilen=IL| -I IL input (file) length in bytes, becomes data-out buffer length (def: deduced from IF size) --in=IF|-i IF IF is a file containing the data to be written --lba=LBA|-l LBA LBA of the first block to write and verify; no default, must be given --num=NUM|-n NUM logical blocks to write and verify (def: 1) --repeat|-R while IF still has data to read, send another command, bumping LBA with up to NUM blocks again --timeout=TO|-t TO command timeout in seconds (def: 60) --verbose|-v increase verbosity --version|-V print version string then exit --wrprotect|-w WPR WPR is the WRPROTECT field value (def: 0) Performs a SCSI WRITE AND VERIFY (10 or 16) command on DEVICE, startings at LBA for NUM logical blocks. More commands performed only if '--repeat' option given. Data to be written is fetched from the IF file.