K 10 svn:author V 3 des K 8 svn:date V 27 2015-11-16T16:39:13.404058Z K 7 svn:log V 202 The phybs utility attempts to measure disk performance for various I/O block sizes and alignments. It can be used to deduce the physical block size of a hard disk drive or the stripe size of an array. END