Electrical computers and digital processing systems: multicomput – Multicomputer data transferring via shared memory – Partitioned shared memory
Reexamination Certificate
2011-08-02
2011-08-02
Boutah, Alina (Department: 2443)
Electrical computers and digital processing systems: multicomput
Multicomputer data transferring via shared memory
Partitioned shared memory
C709S220000, C709S221000, C711S162000, C714S013000, C707S640000, C707S647000, C707S999202
Reexamination Certificate
active
07991850
ABSTRACT:
The present invention provides a method and apparatus to restore the operating system of a personal internet communicator (PIC) to a “known good” operational state in the event of a catastrophic failure. In an embodiment of the invention, the hard drive of the personal internet communicator is organized in three partitions: 1) a partition for the operating system and related files; 2) a user data partition; and 3) a “restore” partition. The restore partition is hidden by modifying the type of partition that can be detected by the user or any operating system. Upon a catastrophic failure, the system can be returned to an operational state by performing a sector-by-sector restoration to copy an image of the operating system and related system files back to the operating system partition. In various embodiments of the invention, the PIC system state is continuously monitored by a “registry sniffing” routine that maintains a file containing data corresponding to the system state of the PIC. Subsequent to copying the operating system to the OS partition, as discussed above, the system state parameter file is used to modify the operating system to place the PIC in the configuration that existed prior to the catastrophic failure.
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Lavin Jeffrey M.
Paul Stephen
Advanced Micro Devices , Inc.
Boutah Alina
Hamilton Gary W.
Hamilton & Terrile LLP
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