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AssigneeLucent Technologies Inc.
InventorsNorbert Engel, Eunan Muldoon, Ralph Wadlinger, Reginald L. Allen, Patrick W. McFarland, Guatam Patwari, John H. Pokropinski, Gail E. Tate, Ronnie E. Dean
Estimating the term…
Platform and/or application software on all online, machine/servers in a cluster is updated without manually taking each machine/server offline. Initially, platform and/or application software for updating is stored in respective directories in an APPLY phase. Next, the new platform and/or application software is activated with or without a trial/test phase in an ACTIVATE phase. Where the new platform and/or application software is activated with a trial/test phase, a ROLLBACK phase is either automatically or manually invoked by the application in the event of a failure of the new software for backing out the new platform and/or application software and reactivating the previous platform and/or application software. An OFFICLAL phase then transitions the new platform and/or application software to the official state followed by a REACTIVATE phase for reactivating the backup copy of the previous/old platform and/or application software after the new software has been made official.
For use in a cluster computing arrangement wherein plural machines operating under original platform controlling software carry out various applications in accordance with original application software, a method of updating platform and/or application software comprising the steps of:
Dependencies are inferred from the claim text.