diglloydTools Updated to version 2.2.7b1
diglloydTools DiskTester has been updated with some new and modified functionality; see the release notes. It can be downloaded as a beta version (more changes/additions are planned).
This beta release focuses on DiskTester, the most powerful OS X tool available for understanding drive performance (hard drives and SSDs, RAID, etc).
See the recent discussion of disktester graphing.

disktester run-area-test --iterations 5 --test-size 4G --delta-percent 5 r1+0
diglloydTools and data integrity verification
Aside from testing hard drive or SSD or RAID performance and reliability with DiskTester, data integrity with IntegrityChecker is a must-have workflow tool for anyone with important data: