Nonstop Database, HiRDB Version 9 Disaster Recovery System Configuration and Operation Guide

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2.4.1 File classifications

In Real Time SAN Replication, a concept called file classification specifies a classification that is determined by a combination of a HiRDB file system area type and a HiRDB file. The following table shows the file classifications used in Real Time SAN Replication.

Table 2-5 File classifications used in Real Time SAN Replication

HiRDB file system area type# Specification of the -k option of the pdfmkfs command File classification
HiRDB file system area for RDAREAs DB DB
HiRDB file system area for shared RDAREAs SDB DB
HiRDB file system area for system files System log files SYS LOG
Synchronization point dump files SPD
Unit status files USTS
Server status files SSTS

#
There is no classification for any HiRDB file system area file that is not described above (for example, unload log files).