TurboIMAGE/XL Database Management System Reference Manual MPE/iX V6.5 (30391-90011)

Chapter 7 307
Logging and Recovery
7 Logging and Recovery
This chapter discusses how to maintain database consistency; that is, how to log logical
transactions and recover a TurboIMAGE/XL database from a system failure or program
abort. This chapter is divided into the following major sections:
Recovery Options
Logical Transactions
Dynamic Roll-Back Recovery
Intrinsic Level Recovery
Logging Preparation
Logging Status
Logging Maintenance
TurboSTORE/iX 7x24 True-Online Backup
Roll-Forward Recovery
Roll-Back Recovery
DBRECOV Commands Used With Roll-Forward and Roll-Back Recovery
Record Tables
Post-Recovery Options
The Mirror Database
A quick guide to recovery and logging options is found in appendix G, "Recovery and
Logging Quick Reference."