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CURSOR Service Distribution

We keep your IBM databases running


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  • Companies with existentially important databases trust in our Informix Monitoring. We prevent system failures before they occur.

  • Automated monitoring around the clock. Early detection of bottlenecks based on history data with our CURSOR Admin-Scout.

  • Administration for all installation sizes. Standard, remote or standby administration, up to 24x7 availability for systems with high availability.

  • Individual adjustments to the service levels of our customers with short response times and personal contact persons in support.

Discover more about Informix Monitoring with the CURSOR Service Distribution!



  • Requirements from all areas of data management. Service packages or individually agreed projects like:
    • Setup of replications or high availability systems;
    • Performance, runtime analysis, tuning;
    • Release, platform or cloud migration;
    • Access control, encryption, archiving.
  • CURSOR Service Distribution is a long-standing IBM High-Value Service Provider for IBM Informix.

  • Specially for Informix we offer additional online seminars, workshops and training courses.

Information about service and support, so feel free to contact us with your project!



  • Request for support services for IBM databases. Our customers benefit from the competence of more than 25 years of Informix support and system-oriented development of database tools.

  • In case of support we are the first and central contact persons. We have a direct line to the IBM and HCL support departments and are available for our customers with 24x7 agreements around the clock.

  • Even Informix customers without active IBM product maintenance can take advantage of our first-aid support.

Book a support ticket on our website or just call us!

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  • Benefit from the power of IBM software, take advantage of the attractive conditions for IBM licenses and maintenance!

  • The employees of CURSOR Service Distribution have twenty years of experience in indirect sales of IBM software (OEM/ASL/ESA licensing). We show you how to become an IBM ESA Business Partner!

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in Informix Administration



Admin-Scout for Informix

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  • The Informix tool right from CURSOR Informix Support.

  • Developed by administrators for administrators.

    With a background of over 25 years of Informix support, administration and system-oriented programming, we have been developing and distributing the Admin Scout since 2015.

  • By our Managed Service approach, the Admin Scout is suitable for almost all application areas of the Informix database system. Our customers are IT departments and administrators in commerce, banks, universities, trade and industry.


About us

the CURSOR Service Distribution

  • High-Value Service Provider for IBM Informix.

  • Distribution for IBM Data-Management Software (OEM/ASL/ESA licensing for ISVs).

CURSOR Service Distribution is a business unit of CURSOR Software AG, resulting from the acquisition of the Informix and development tool specialist "Nonne & Schneider" at the end of 2005.

We offer extensive technical services for IBM Informix, and as a high-value service provider we are the direct contact for all our customers' service needs for these databases.

Our services are independent from licensing through our company. Well-known customers rely on our monitoring and use our tools, while licensing and update maintenance are contracted directly with IBM.


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Latest versionsfixlist
14.10.xC10 FixList
12.10.xC16.X5 FixList
11.70.xC9.XB FixList
11.50.xC9.X2 FixList
11.10.xC3.W5 FixList
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Informix - Problem description

Problem IT01853 Status: Closed


INFORMIX SERVER / 5725A3900 / C10 - IDS 12.10
Problem description:
If your system contains a lot (millions) of smart blob objects 
and you run level 1 or 2 archive, your system might get blocked 
for several minutes (it's indicated by 'Blocked:ARCHIVE' string 
in a header of any onstat command). The only thread which is 
allowed to run is the ontape thread. The problem can be seen 
with both ontape and onbar backup utilities. If you use the 
onbar tool you can see the time delay between archive process 
start and the actual start of rootdbs archive in the 
20:00:01 28180618  19398690 /usr/informix/bin/onbar_d -b -w -L 1 
20:00:01 28180618  19398690 Working with veritas-netbackup as 
generic storage manager. 
20:00:03 28180618  19398690 Archive started on rootdbs, 
sbspace1, sbspace2, 
                            sbspace3, sbspace4, datadbs1, 
datadbs2, datadbs3, datadbs4, 
                            logdbs1, logdbs2, logdbs3, logdbs4, 
plogdbs (Requested Level 1). 
20:04:31 28180618  19398690 Begin level 1 backup rootdbs. 
20:04:31 28180618  19398690 Successfully connected to Storage 
20:04:44 28180618  19398690 Completed level 1 backup rootdbs 
(Storage Manager copy ID: 1 1399). 
At the beginning of the incremental archive the backup process 
has to sequentially read all the SBLOB headers (stored in 
LO_hdr_partn partition) in every sbspace to identify smart blob 
objects which were changed since last L0 archive. In case the 
pages of LO_hdr_partn partition(s) are not in bufferpool, they 
have to be read from disk.  Till version 11.70.xC2 the instance 
used to use readahead mechanism in this case. After introducing 
the new auto_readahead feature in 11.70.xC3 this is no longer 
true, which makes the performance of LO_hdr_partn reading 
Problem Summary:
* USERS AFFECTED:                                              * 
* informix users of genpg interface (smart blobs)              * 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
* RECOMMENDATION:                                              * 
* Update to IDS-12.10.xC5                                      * 
Local Fix:
Ensure your bufferpool is big enough to hold all pages from all 
LO_hdr_partn partitions in your system (the size of LO_hdr_partn 
partition can be found in 'oncheck -ps <sbspacename>' output). 
Before starting the L1 or L2 archive run 'oncheck -ce' or 
'onspaces -cl' for each sbspace to load the LO_hdr_partn pages 
into bufferpool. This should avoid the server to be blocked for 
too long.
Problem Fixed In IDS-12.10.xC5
not known / see Local fix
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)
12.10.xC4.W1 FixList
12.10.xC5 FixList
12.10.xC5.W1 FixList