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HCL Informix V15.0
  1. Home icon
  2. Welcome
  3. Administering

    In addition to administering the database server, you can tune performance, replicate data, and archive data.

  4. System administration

    These topics contain concepts, procedures, and reference information for database and database server administrators to use for managing and tuning HCL Informix® database servers.

  5. Administrator's Reference

    These topics include comprehensive descriptions of HCL Informix® configuration parameters, the system-monitoring interface (SMI) tables in the sysmaster database, the syntax of database server utilities such as onmode and onstat, logical-log records, disk structures, event alarms, and unnumbered error messages.

  6. Appendixes
  7. Messages in the database server log

    Unnumbered messages are printed in the database server message log (online.log). The error messages include corrective actions.

  8. Messages: J-K-L-M
  9. Listener-thread err = error_number: error_message.
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  • HCL Informix® V15.0 documentation

    Welcome to the documentation for HCL Informix® 15.0 and related client tools and products.

  • Product overview

    HCL Informix® is a fast and scalable database server that manages traditional relational, object-relational, and dimensional databases. Its small footprint and self-managing capabilities are suited to embedded data-management solutions.

  • Installing

    These topics describe how to install HCL Informix® database servers, client products, and DataBlade® modules.

  • Administering

    In addition to administering the database server, you can tune performance, replicate data, and archive data.

    • System administration

      These topics contain concepts, procedures, and reference information for database and database server administrators to use for managing and tuning HCL Informix® database servers.

      • List of utilities

        HCL Informix® includes utilities and applications that you can use to perform administrative tasks and capture information about configuration and performance.

      • Administrator's Guide

        These topics provide the information required to administer HCL Informix®.

      • Administrator's Reference

        These topics include comprehensive descriptions of HCL Informix® configuration parameters, the system-monitoring interface (SMI) tables in the sysmaster database, the syntax of database server utilities such as onmode and onstat, logical-log records, disk structures, event alarms, and unnumbered error messages.

        • Configuring and monitoring Informix®

        • Administrative Utilities

        • SQL Administration API

        • Appendixes
          • Database server files

            Database server files are created in default directories, or in a directory that the relevant configuration parameter specifies. A database administrator might need to edit or examine the content of files that are used by the database server.

          • Troubleshooting errors

            Occasionally, a series of events causes the database server to return unexpected error codes.

          • Event Alarms

            The database server provides a mechanism for automatically triggering administrative actions based on an event that occurs in the database server environment. This mechanism is the event-alarm feature.

          • Messages in the database server log

            Unnumbered messages are printed in the database server message log (online.log). The error messages include corrective actions.

            • How the Messages Are Ordered in This Chapter
            • Messages: A-B
            • Messages: C
            • Messages: D-E-F
            • Messages: G-H-I
            • Messages: J-K-L-M
              • Listener-thread err = error_number: error_message.
              • Lock table overflow - user id mm session id nn.
              • Logical-log File not found.
              • Logical Log nn Complete.
              • Logical logging vberror for type:subtype in (failed_system).
              • Log Record: log = ll, pos = 0xn, type = type:subtype(snum), trans = xx
              • Log record (type:subtype) at log nn, 0xn was not undone.
              • Log record (type:subtype) failed, partnum pnum row rid iserrno num.
              • Log record (type:subtype) in log nn, offset 0xn was not rolled back.
              • Logical Recovery allocating nn worker threads thread_type.
              • Logical Recovery Started.
              • Maximum server connections number.
              • Memory allocation error.
              • Mirror Chunk chunkname added to space spacename. Perform manual recovery.
              • Mixed transaction result. (pid=nn user=userid).
              • mt_shm_free_pool: pool 0xn has blocks still used (id nn).
              • mt_shm_init: can’t create resident/virtual segment.
              • mt_shm_remove: WARNING: may not have removed all/correct segments.
            • Messages: N-O-P
            • Messages: Q-R-S
            • Messages: T-U-V
            • Messages: W-X-Y-Z
            • Messages: Symbols
            • Conversion and reversion error messages

              If conversion or reversion is not successful, error messages are stored in the online.log file to help you identify what failed and what actions to take to fix the problem.

            • Dynamic Log Messages
            • Sbspace Metadata Messages
            • Truncate Table Messages
          • Limits in Informix®

            This topic lists the system-level and table-level parameter limits, the system defaults, and the access capabilities of Informix®.

      • DB-Access User's Guide

        This publication describes how to use the DB-Access utility to access, modify, and retrieve information from HCL® Informix® database servers.

      • High-Performance Loader User's Guide

        These topics describe how to use the HCL Informix® High-Performance Loader (HPL) to load and unload large quantities of data efficiently to or from Informix databases.

      • Performance Guide

        These topics describe how to configure and operate your HCL Informix® database server to improve overall system throughput and to improve the performance of SQL queries.

      • SNMP Subagent Guide

        These topics describe the Simple Network Management Protocol (SNMP) and the software that you need to use SNMP to monitor and manage HCL Informix® database servers and databases.

      • InformixHQ Guide

        InformixHQ is a modern web console for visualizing, monitoring, and managing your Informix server instances. It is purpose built for ease-of-use, scaling out, and optimizing DevOps needs. It provides critical performance management capabilities, monitoring how key performance metrics are changing over time and tracking how efficiently Informix is running your workload even when you’ve stepped away from your screen. Its monitoring system feeds directly into a customizable alerting system so you can be immediately alerted via email, Twilio, or PagerDuty whenever an issue occurs on one of your Informix database server instances. InformixHQ is designed to be scalable to efficiently manage and monitor as many Informix database server instances as you need. Moreover, it's a tool that can be shared by the DBAs, the app developers, the ops engineers, and management and accessed from any desktop, laptop, or mobile device. InformixHQ is the centralized hub for graphical monitoring, alerting, and administration of your Informix database servers.

    • Backup and Restore Guide

      These topics describe how to use the HCL® Informix® ON-Bar and ontape utilities to back up and restore database server data. These utilities enable you to recover your databases after data is lost or becomes corrupted due to hardware or software failure or accident.

    • Enterprise Replication

      These topics describe the concepts of data replication using HCL Informix® Enterprise Replication, including how to design your replication system, as well as administer and manage data replication throughout your enterprise.

  • Migrating and upgrading

    You can upgrade to the 15.0 release of HCL Informix® or migrate from other database servers to Informix. Upgrading is an in-place migration method that uses your existing hardware and operating system software. Some changes to the Informix database server can affect upgrading from a previous release.

  • Client APIs and tools

    You can use the HCL Informix® implementation of client APIs to develop applications for Informix database servers.

  • Embedding Informix®

    When you embed HCL Informix®, you can use enterprise-class high-availability and high performance with embeddability features such as easy programmability, a small disk and memory footprint, and silent deployment.

  • Extending Informix®

    Beyond standard relational database objects, HCL Informix® can be extended to handle specialized data types, access methods, routines, and other objects. Informix includes many built-in extensions that are fully integrated in the database server. Informix also provides DataBlade® modules, which are packages of extended database objects for a particular purpose and that are installed separately from the database server. Alternatively, you can create your own user-defined objects for Informix.

  • Data warehousing

    In addition to designing and implementing Informix® dimensional databases, you can use tools to create data warehouse applications and optimize your data warehouse queries.

  • Designing databases

    The first step in creating a relational database is to construct a data model, which is a precise, complete definition of the data you want to store. After you prepare your data model, you must implement it as a database and tables. To implement your data model, you first select a data type for each column and then you create a database and tables and populate the tables with data. You can also implement fragmentation strategies and control access to your data.

  • JSON compatibility

    You can use the popular JSON-oriented query language created by MongoDB to interact with data stored in HCL Informix®.

  • Security

    You can secure your Informix® database server and the data that is stored in your Informix databases. You can encrypt data, secure connections, control user privileges and access, and audit data security.

  • SQL programming

    You can use the HCL Informix® implementation of the SQL language to develop applications for Informix database servers.

  • Troubleshooting HCL Informix®

    Several troubleshooting techniques, tools, and resources are available for resolving problems that you encounter in your HCL Informix® database server environment.

 Feedback

Listener-thread err = error_number: error_message.

Cause

A listener thread has encountered an error. This message displays the error number and message text.

Action

For a description of an error message, use the finderr utility or go to http://www.ibm.com/support/knowledgecenter/SSGU8G_12.1.0/com.ibm.em.doc/errors.htmlError messagesError messages.

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