Filesystem data integrity in a single system image environment

Details Filesystem data integrity in a single system image environment Filesystem data integrity in a single system image environment

1998-04-30

2000-09-19

Black, Thomas G.

Data processing: database and file management or data structures

Database design

Data structure types

707202, 707201, 707200, G06F 1730

Patent

active

061226297

ABSTRACT:
A system for protection of filesystem data integrity within a computer cluster is provided. The system uses redundant data caches at client and server nodes within the computer cluster. Caching of filesystem data is controlled so that non-shared files are preferably cached at client nodes. This increases filesystem performance within the computer cluster and ensures that failures may not result in a loss of modified filesystem data without a corresponding loss to the process(es) accessing that data. Shared files are cached at the server node and a backup cache node. This protects modified filesystem data against any single node failure.

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