>>>>> "Mikulas" == Mikulas Patocka <mpatocka@xxxxxxxxxx> writes: >> Do you mean something like 512b logical and 4K physical? Such >> devices must perform the appropriate r-m-w. A 4K formatted device >> will report 4K for both logical and physical (unless the device and >> format tool allows for physical != logical). >> >> Mike Mikulas> No, I meant what happens if you format it with 514, 516, etc Mikulas> physical blocksize. the Linux clearly doesn't support it, so Mikulas> what will it do with it? I'll try when I finish tests on 4K. We only support powers of two (except when the drive is formatted with DIF but even in that case the logical_block_size is a power of two). -- Martin K. Petersen Oracle Linux Engineering -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
