Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Reexamination Certificate
2005-06-28
2005-06-28
Vital, Pierre M. (Department: 2188)
Electrical computers and digital processing systems: memory
Storage accessing and control
Control technique
C711S118000, C711S126000, C711S133000, C711S162000, C707S793000
Reexamination Certificate
active
06912636
ABSTRACT:
Systems, methods, apparatus and software can utilize an indirect write driver to prevent possible error conditions associated with using a third-party copy operation directed at a storage resource. A data transport mechanism such as a data restore application initiates a third-party copy operation from a data source to a data cache. The indirect write driver monitors write commands as they pass to a storage resource driver. If a command is found to be an indirect write command, e.g., a command designed to complete the movement of data from the data cache to the storage resource, it is handled accordingly. Normal write commands are passed on to the storage resource driver. By completing the data move operation using normal storage management channels, e.g., the operating system, file system, and/or volume manager, error conditions can be avoided.
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Working Draft, Project T10/1416-D, Information Technology—SCSI Primary Commands—3 (SPC-3), Revision 03, Reference No. ISO/IEC 14776-313: 200x, ANSI NCITS (American National Standards Institute, Inc). ***:200x, Jan. 10, 2002, pp. iii-xxiv & 1-330.
Bromley Graham
Ohr James P.
Ascolese Marc R.
Campbell Stephenson Ascolese LLP
Veritas Operating Corporation
Vital Pierre M.
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