Michael Monnerie wrote: > On Freitag 16 Oktober 2009 hank peng wrote: >> I don't know when "-ssize=4k" option is added, what is difference? > > You can set the *sector* size to 4k only when your drives have 4k sector > size. Normal disks so far always have 512 Bytes/sector. > > mfg zmi Actually -ssize=4k is just fine even on 512 sector disks. -Eric