NetApp Sues Sun

“Network Appliance has sued Sun Microsystems, claiming Sun’s ZFS
file system technology infringes on seven NetApp patents.

“In the suit filed in the U.S. District Court for Eastern Texas,
NetApp is also seeking a declaration that it is not infringing on
three of Sun’s U.S. patents and that those patents are invalid.

“The dispute affects NetApp’s WAFL file system and RAID