ports/sysutils/phybs, branch 2016Q3 FreeBSD ports tree https://cgit-dev.freebsd.org/ports/atom?h=2016Q3 2015-11-16T16:39:13Z The phybs utility attempts to measure disk performance for various I/O 2015-11-16T16:39:13Z Dag-Erling Smørgrav des@FreeBSD.org 2015-11-16T16:39:13Z urn:sha1:3370c7411f64b7ed21edec757a743b43e683b6cf 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.