On Wed, Jul 30, 2008 at 12:29:22PM -0500, Matt Domsch wrote: > 2) those that report a 512-byte sector size, but are really a > 4096-byte size, and the drive does the conversions and > read/modify/write. T10 and T13 are looking to add commands to > expose this different underlying physical sector size so the OS > could be aware of it. This is primarily being driven to mitigate > any problems that may happen with "legacy" OSs that are not aware > of the difference. As usual, the biggest problem will be "legacy" userspace. For example, most partition tools are still generating legacy partition tables that look like this: Disk /dev/sda: 255 heads, 63 sectors, 38913 cylinders Nr AF Hd Sec Cyl Hd Sec Cyl Start Size ID 1 80 1 1 0 254 63 121 63 1959867 83 2 00 0 1 122 254 63 619 1959930 8000370 82 3 00 0 1 620 254 63 1023 9960300 615177045 05 4 00 0 0 0 0 0 0 0 0 00 5 00 1 1 620 254 63 1023 63 615176982 8e Note the starting sector# for the first partition..... - Ted -- 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
