On Tue, Feb 9, 2010 at 1:13 PM, Frank Steinmetzger <war...@gmx.de> wrote: > Am Dienstag, 9. Februar 2010 schrieb Frank Steinmetzger: > >> I have reset sdb7 to use boundaries divisible by 64. >> Old range begin%64 size%64 New range begin%64 >> size%64 813113973-976703804 0.8281 0.125 813113984-976703935 0 >> 0 >> >> And guess what - the speed of truecrypt at creating a new container >> doubled. With the old scheme, it started at 13.5 MB/s, now it started at >> 26-odd. I’m blaming that cap on the USB connection to the drive, though >> it’s gradually getting more: after 2/3 of the partition, it’s at 27.7. > > I fear I'll have to correct that a little. This 13.5 figure seems to be > incorrect, in another try it was also shown at the beginning, but then > quickly got up to >20. Also, a buddy just told me that this 4k stuff applies > only to most recent drives, as old as 5 months or so. > > When I use parted on the drives, it says (both the old external and my 2 > months old internal): > Sector size (logical/physical): 512B/512B > So no speedup for me then. :-/
Frank, As best I can tell so far none of the Linux tools will tell you that the sectors are 4K. I had to go to the WD web site and find the actual drive specs to discover that was true. As far as I know so far there isn't a big improvement to be had when the sector size is 512B. - Mark
