Am 07.02.2011 04:51, schrieb Ray Van Dolson: > On Sun, Feb 06, 2011 at 02:50:34PM -0700, compdoc wrote: >>> the best write speed I can get is about 8MB/sec >> >> >> A while back I researched 4k sector drives since most new drives have them >> now. There is a problem with speed if you get the partition wrong. >> >> The answer seems to be to creating a partition with 1 meg of unpartitioned >> space preceding the first partition. This causes sector 2048 to be the first >> sector of the partition, and avoids the problem. >> >> Newer versions of gparted do this for you automatically when you use it to >> create a partition. > > Just did a SL 6.0 install on a machine with two Hitachi 2TB drives with > 4K sectors. parted warned me that the default values I'd chosen > weren't optimal for the sector size and I adjusted manually. > > Note that I set these drives up post-install -- no idea if Anaconda > would have done the "right thing" or not. > > Ray RHEL 6's anaconda auto-aligns properly by starting at sector 2048. Alexander