Bonwick, Jeff (2005-11-17). "RAID-Z". Jeff Bonwick's Blog. Oracle Blogs. Archived from the original on 2014-12-16. Retrieved 2015-02-01.
patents.google.com
Detailed technical information about BeyondRaid, including how it handles adding and removing drives, is: US 20070266037, Julian Terry; Geoffrey Barrall & Neil Clarkson, "Filesystem-Aware Block Storage System, Apparatus, and Method", assigned to DROBO Inc
Peter Corbett; Bob English; Atul Goel; Tomislav Grcanac; Steven Kleiman; James Leong & Sunitha Sankar (2004). "Row-Diagonal Parity for Double Disk Failure Correction"(PDF). USENIX Association. Archived(PDF) from the original on 2013-11-22. Retrieved 2013-11-22.
web.archive.org
Peter Corbett; Bob English; Atul Goel; Tomislav Grcanac; Steven Kleiman; James Leong & Sunitha Sankar (2004). "Row-Diagonal Parity for Double Disk Failure Correction"(PDF). USENIX Association. Archived(PDF) from the original on 2013-11-22. Retrieved 2013-11-22.