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HCL Informix V14.10
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14.10
documentation
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Administering
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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: D-E-F
Dataskip is ON for all dbspaces.
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
Dataskip is OFF for all dbspaces.
Dataskip is ON for all dbspaces.
Dataskip is ON for dbspaces:
dbspacelist
.
Dataskip will be turned {ON|OFF} for
dbspacename
.
DBSERVERALIASES exceeded the maximum limit of 32
DBSPACETEMP internal list not initialized, using default.
The DBspace/BLOBspace
spacename
is now mirrored.
The DBspace/BLOBspace
spacename
is no longer mirrored.
devname
: write failed, file system is full.
Dropping temporary tblspace
0xn
, recovering
nn
pages.
Dynamically allocated new shared memory segment (size
nnnn
).
ERROR: NO "wait for" locks in Critical Section.
Error building sysmaster database. See
outfile
.
Error in dropping system defined type.
Error in renaming systdist.
Error removing sysdistrib row for tabid =
tabid
, colid =
colid
in database
name
. iserrno =
number
Error writing
pathname
errno =
number
.
Error writing shmem to file
filename
(
error
). Unable to create output file
filename
errno=
mm.
Error writing
filename
errno=
nn
.
Fail to extend physical log space.
Fatal error initializing CWD string. Check permissions on current working directory. Group
groupname
must have at least execute permission on '.'.
The following tables have outstanding old version data pages due to an In-Place Alter Table. Perform UPDATE tablename SET column = column WHERE 1=1; to clear these pages from the following tables.
Fragments
dbspacename1 dbspacename2
of table
tablename
set to non-resident.
Forced-resident shared memory not available.
Freed
mm
shared-memory segment(s)
number
bytes.
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
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.
Dataskip is ON for all dbspaces.
Cause
Informational.
Action
None required.
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