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HCL Informix V14.10
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14.10
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Administering
Migrating and upgrading
Client APIs and tools
Embedding
Informix®
Extending
Informix®
Data warehousing
Designing databases
JSON compatibility
Security
SQL programming
Troubleshooting
Informix®
Informix PDF guides
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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.
Administrator's Reference
The includes 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.
Appendixes
Messages in the database server log
Unnumbered messages are printed in the database server message log (
online.log
). The error messages include corrective actions.
Messages: W-X-Y-Z
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
The
Informix® Administrator's Guide
provides the information required to administer
HCL Informix®
.
Administrator's Reference
The includes 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
Messages: N-O-P
Messages: Q-R-S
Messages: T-U-V
Messages: W-X-Y-Z
WARNING: aio_wait: errno =
nn.
WARNING: Buffer pool size may cause database server to get into a locked state. Recommended minimum buffer pool size is
num
times maximum concurrent user threads.
warning: Chunk time stamps are invalid.
Warning:
name_old
is a deprecated onconfig parameter. Use
name_new
instead. See the release notes and the
Informix®
Administrator's Reference for more information.
Warning:
name_old
is a deprecated onconfig parameter. Use
name_new
instead.
Warning: Unable to allocate requested big buffer of size
nn.
You are turning off smart large object logging.
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.
Conversion and Reversion Messages for Enterprise Replication
During conversion and reversion, specific messages are logged for Enterprise Replication by the
concdr
,
revcdr
, and
revtestcdr
scripts.
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
The
Informix® DB-Access User's Guide
describes how to use the
DB-Access
utility to access, modify, and retrieve information from
Informix®
database servers.
High-Performance Loader User's Guide
The describes how to use the
HCL Informix®
to load and unload large quantities of data efficiently to or from
Informix®
databases.
Performance Guide
The
Informix® Performance Guide
describes 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
The describes 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
The
Informix® Backup and Restore Guide
describes how to use the
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
The describes the concepts of data replication using
Informix® Enterprise Replication
, including how to design your replication system, as well as administer and manage data replication throughout your enterprise.
Messages: W-X-Y-Z
WARNING: aio_wait: errno = nn.
WARNING: Buffer pool size may cause database server to get into a locked state. Recommended minimum buffer pool size is num times maximum concurrent user threads.
warning: Chunk time stamps are invalid.
Warning: name_old is a deprecated onconfig parameter. Use name_new instead. See the release notes and the Informix Administrator's Reference for more information.
Warning: name_old is a deprecated onconfig parameter. Use name_new instead.
Warning: Unable to allocate requested big buffer of size nn.
You are turning off smart large object logging.
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