Am Mittwoch, den 18.04.2018, 12:44 +0530 schrieb Tushar Nimkar: > On 2018-04-17 12:03, Tushar Nimkar wrote: Hi, > I have doubt that sequential scan(scsi_sequential_lun_scan) work well > for uas device(SCSI>3).. > Why? As I have seen in most cases failed to enumerate during REPORT_LUN > command...and there is older way to scan disk is also present, > so I was thinking to try that.. did following things > > starget->no_report_luns = 1 ---> for my target while uas_target_alloc > (for try) In general the spec is one thing and reality is another thing. You can depend really only on what recent versions of Windows do. > > Found it is doing sequential scan but popuating 256 entries in cat > proc/partiction > for one disk > root@OpenWrt:/# cat proc/partitions > major minor #blocks name > > 8 0 488386584 sda > 8 1 488384032 sda1 > 8 48 488386584 sdd > 8 49 488384032 sdd1 > 8 64 488386584 sde > 8 65 488384032 sde1 > 8 80 488386584 sdf > 8 81 488384032 sdf1 > 8 96 488386584 sdg > 8 97 488384032 sdg1 > 8 112 488386584 sdh > 8 113 488384032 sdh1 > ........256 total. > > ...though it is SCSI>3 device ,it should support both sequential as well > as REPORT_LUN? In theory. > Do not know weather this is the cause for the issue or not ...but if so > need to think on this too :) Well, does your original issue go away if you use NO_REPORT_LUN and does your device have multiple LUNs? Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
