Slide 30 of 30
Notes:
This is the 6th year that this presentation has been given, and the current drives are significantly faster than last year’s.
As shown by the tests, it is rare for the current generation of disk drives to transfer data slower than 5MB/sec, which is the theoretical maximum rate of the HP single ended core SCSI bus.
As shown in the charts, drives with 8 to 10 heads (4 or 5 platters) perform better when the host computer is told that they have 25 or more heads, and when it is told that they have at least 37 to 50 sectors per track.
Using these benchmark results it is possible to “dial in” I/O performance that is easily 10 to 20% faster than that provided by HP’s newdisk utility.
