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HCL Informix V14.10
HCL Informix®
V
14.10
documentation
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Installing
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: J-K-L-M
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
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.
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: 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.
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