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AdministeringIn addition to administering the database server, you can tune performance, replicate data, and archive data.
System administrationThese topics contain concepts, procedures, and reference information for database and database server administrators to use for managing and tuning HCL OneDB™ database servers.
Performance GuideThe HCL OneDB™ Performance Guide describes how to configure and operate your HCL OneDB™ database server to improve overall system throughput and to improve the performance of SQL queries.
Effect of configuration on I/O activityThe configuration of your database server affects I/O activity.
Background I/O activitiesBackground I/O activities do not service SQL requests directly. Many of these activities are essential to maintain database consistency and other aspects of database server operation. However, they create overhead in the CPU and take up I/O bandwidth.
Configuration parameters that affect backup and restoreFour configuration parameters that affect backup and restore on all operating systems also affect background I/O. Additional configuration parameters affect backup and restore on UNIX™.

Configuration parameters that affect backup and restore

Four configuration parameters that affect backup and restore on all operating systems also affect background I/O. Additional configuration parameters affect backup and restore on UNIX™.

The following configuration parameters affect backup and restore on all operating systems:

BAR_MAX_BACKUP
BAR_NB_XPORT_COUNT
BAR_PROGRESS_FREQ
BAR_XFER_BUF_SIZE

In addition, the following configuration parameters affect backup and restore on UNIX:

LTAPEBLK
LTAPEDEV
LTAPESIZE
TAPEBLK
TAPEDEV
TAPESIZE