> SDA is a 6,4gb HD with 12594960 sectors .... (with 6449mb size as shown > in dmesg) > > but when i run pdisk or try to format it using disk initializer via > MacOS , they detect this 6,4gb hard disk as a 6,1gb hard disk , what can > it be? > > Device block size=512, Number of Blocks=12594959 (6.0G) > DeviceType=0x0, DeviceId=0x0
The disk sizes in blocks match. pdisk calculates the disk size differently from MacOS (they are basically cheating, just dividing the block size by 10^9 doesn't take into account that a kB is 1024 bytes, and so on). Move along, there's nothing here to see... Michael