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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.
Administrator's GuideThe HCL OneDB™ Administrator's Guide provides the information required to administer HCL OneDB™.
High availability and scalabilityA successful production environment requires database systems that are always available, with minimal if any planned outages, and that can be scaled quickly and easily as business requirements change.
Cluster administration
Performing basic administration tasks
Monitor HDR status
Command-line utilities
The oncheck -pr option

The oncheck -pr option

If your database server is running HDR, the reserved pages PAGE_1ARCH and PAGE_2ARCH store the checkpoint information that HDR uses to synchronize the primary and secondary database servers. An example of the relevant oncheck -pr output is given in the following example.

Validating Informix Database Server reserved pages - PAGE_1ARCH &
 PAGE_2ARCH
          Using archive page PAGE_1ARCH.

    Archive Level                  0
    Real Time Archive Began        01/11/95 16:54:07
    Time Stamp Archive Began       11913
    Logical Log Unique Id          3
    Logical Log Position           b018

    DR Ckpt Logical Log Id         3
    DR Ckpt Logical Log Pos        80018
    DR Last Logical Log Id         3
    DR Last Logical Log Page       128

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