.~ Coherency (e.g., same view to multiple users) {3}
204
.~.~ Archiving or backup
DEFINITION
Classification: 707/204
Archiving or backup:
(under subclass 201) Subject matter further comprising means or steps for backing up database information or files, file migration to and from high density nonvolatile storage, and immediate, delayed, and scheduled backup.
(1) Note. This subclass is directed to file and database coherency and aspects thereof directed to making copies for expressed purposes. Means and steps for controlling memory access to data (i.e., addressing, per se) during the act of backing up or archiving is classified elsewhere.
SEE OR SEARCH CLASS
711, Electrical Computers and Digital Processing Systems - Memory,
113, for cache by DASD, subclass 114 for RAID, subclasses 117+ for hierarchical memory accessing and controlling, per se, subclasses 133-136 for cache entry replacement strategies, subclasses 159-160 for memory accessing and control entry replacement strategies, per se, subclasses 161-162 for archiving and backup under memory accessing, and subclass 165 for internally relocating data.
714, Error Detection/Correction and Fault Detection/Recovery,
6, for memory or peripheral subsystem fault recovery including access to redundant stored data, such as, error correction coded data, subclass 15 for process and data state recovery, per se, and in particular subclass 20 for use of plural data sets (i.e., logs) containing set interrelation data.
