>>>>> "Eric" == Moore, Eric <Eric.Moore@xxxxxxx> writes: Eric> I was wondering about formatting drives with DIF support?? Eric> Martin told me he is using sg_format, however it doesn't support Eric> type 3 protection format, which has 6 byte application tag. I have only been testing Type 3 with scsi_debug (which conveniently avoids the formatting step). I doubt we will see any disk drives that support Type 3. The way the standard is written, a drive can either do Type 1+2 or Type 1+3. Type 2+3 is not a possible combination. In any case. If you happen to own a Type 3-capable device you format it exactly like if it had been a Type 2. I.e. set PINFO=1 and RTO_REQ=1 in FORMAT UNIT. sg_format can already do this. -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
