Sun has a legal conflict with storage maker NetApp that is still in the discovery phase.
NetApp filed a lawsuit against Sun on Sept. 5, 2007, seeking damages and a permanent injunction against the company and claiming Sun infringed on several patents regarding NetApp's own WAFL (Write Anywhere File Layout) file system.
NetApp claims Sun's ZFS (Zettabyte File System), which is included in Sun's Unix-derived Solaris operating system, is patterned directly after its own WAFL file system.
NetApp characterized the suit as a defensive step after Sun sought to charge NetApp to license its technology, NetApp officials said.
Sun, which claims to have created ZFS long before it released the code to the open-source community in 2007, has responded with three countersuits of its own against NetApp and its entire product line, seeking both injunctions and monetary damages. Court dates have yet to be set in that legal action.