>>>>> "John" == John Washer <johnkwasher@xxxxxxxxx> writes: John> Provisioning mode is not being set to "unmap" even though it seems John> that device firmware provides all the required information to SD. I instrumented scsi_debug to provide the same values as your device (LBPME=1, identical Block Limits VPD, no LBP VPD) and we end up choosing unmap. So I'm not sure what's going on in your case. Which kernel are you using? John> 3. The device does not support VPD 0xb2. John> $ sudo sg_vpd -p 0xb2 /dev/sg1 John> VPD page=0xb2 John> fetching VPD page failed FWIW, the Logical Block Provisioning VPD page is now mandatory. John> But when I check the "/sys.../provisioning_mode" it is set to John> Write Same 16. What happens if you override it by writing "unmap" to that file? -- 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