>>>>> "Jeff" == Jeff Moyer <jmoyer@xxxxxxxxxx> writes: >> I have a proposal about 4k-sector hard drives support in fs drivers. >> Toshiba MK1231GAL is an 1.8" LIF IDE drive. It has 4096-byte physical >> and 512-byte logical sectors [1]. Unlike others drives with Advanced >> Format, it has not read-modify-write logic, so it can only operate >> with 4k blocks. Fortunately some filesystems in linux (I tested jfs, Jeff> Then it should report a logical block size of 4k. You have a Jeff> drive with broken firmware. Several vendors are contemplating something similar. I.e. keep the 512-byte addressing to avoid implementing support for 4KB logical blocks in the OS ATA stack. But the drive will reject I/Os that are not naturally aligned multiples of 4KB. I agree it's totally broken. But I suspect we'll be seeing more of these... :( -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html