There are situations where in a HADR environment, transaction on the Primary are blocked(applications will seem to hang) when the HADR database is in peer state and there is a network event (network congestion/network down or the Primary does not receive ACK from the Standby-Standby log buffer full). This can be explained with the help of Brewer's CAP theorem. Brewer's CAP Theorem: Brewer's CAP theorem states that, in a Distributed Computer System, we can guarantee only two of the following simultaneously:... [More]
As of now, DB2 on Windows supports ActivestatePerl (both 32bit and 64 bit) and Strawberry Perl (32 bit ONLY). To get the 32 bit DBD::DB2 binaries supported with 32 bit Strawberry Perl, you must email firstname.lastname@example.org or contact IBM support for the required binaries. 64 bit Strawberry Perl is not supported yet. Thanks!
Four new IBM Education Assistant videos have just been posted for InfoSphere Information Server! Today's tech tip for all you Information Server folks is to take the time to skill-up this January by viewing the videos and sharing them with your colleagues. Here are the videos and links:
Administration and configuration Problem determination DataStage and QualityStage Information Analyzer Or you can click here to access the InfoSphere Information Server page on IBM Education Assistant to view all available resources.
More about IBM... [More]
The best-fit Java class for an Informix DATETIME value is java.sql.Timestamp. Java.sql.Timestamp technically inherits from java.util.Date; although, there are some semantic differences which are not typical of inheritance relationships. All the constructors, getters, and setters which are not deprecated for Date and Timestamp use values based on Greenwich Mean Time (GMT). They are offsets in milliseconds from the epoch, January 1, 1970 00:00:00 GMT. So, it would be logically consistent for Timestamps to convert to DATETIMEs using the GMT... [More]
Informix introduced the PSM (Primary Storage Manager); a new backup storage manager in version 12.10 that replaced the previous ISM (Informix Storage Manager). The PSM manages storage devices used for backup and restore requests that are issued by Onbar. This storage manager supports both serial and parallel processing for backup and restore requests. PSM is easier to set up and use, even in embedded environments. You just need to perform four simple steps to configure PSM and take an Onbar backup: Decide where you will create the PSM catalog.... [More]
First off - time flies when you're having blog! I turned around to do a weekly update, and it's been a month. Ouch! Let's try and get together more often! So, what to talk about? Let's pick up where we left off - the documentation that IBM Information Management support is putting together for you! Let's start with the documents that get the most traffic - "fix" documents. There are a number of kinds of documents related to "fixes", so let's try and sort some of them out: APARs Fix Packs Fix Lists Recommended Fixes... [More]
Chat More Chat! Part of IBM's move to improve your technical support experience is the implementation of Technical Support Chat. If chat it available for your product, please feel welcome to try it! A new YouTube video has been posted to introduce Technical Support Chat and how it can work for you! Check It Out!
Looking for some helpful JDBC links then check these out: Knowledge Collection: DB2 Universal JDBC driver issues DB2 JDBC Driver Versions JDBC APAR fix list Still have trouble or just have a question about the IBM JDBC driver, then comment below.
As of now, many of our customers are using IBM DB2 JDBC Driver(db2jcc.jar/db2jcc4.jar) to connect to DB2 server and configured SSL & normal database connectivity with end products such as WAS, OPM, Cloud and DataStudio etc. There are also a lot of you who are continuing to use SSL connection of JDBC for accessing your database server. Some of the tips in this blog will help to simplify the SSL connectivity with DB2 server. SSL Simplification: Many of you who prefer to configure the CA certificate instead of self signed certificate. If DB2... [More]
To continue our review of the top technical documents for some of our most popular IM products, here is the list for InfoSphere Data Architect! System requirements for InfoSphere Data Architect (03 Jun 2011)
InfoSphere Data Architect, Version 7.5: new features and enhancements (17 May 2011)
System Requirements for InfoSphere Data Architect 7.5.2.x (17 May 2011)
System requirements for InfoSphere Data Architect 7.5.3 (21 Jul 2011)
InfoSphere Data Architect version 7.5.3 (19 Aug 2011)
IBM InfoSphere Data Architect, Version 220.127.116.11 (05... [More]
Hello All, Always wanted to know what the package name was for each bind file in our fix packs. Then you're in luck because we have put together the following tech docs to help you with that: DB2 v9.7 Bind File and Package Name List DB2 v9.5 Bind File and Package Name List DB2 v9.1 Bind File and Package Name List Still have questions about a DB2 package name, then comment below.
Chances are, you have heard of the IBM Support Portal by now. However, have you had a chance to really try it out? Have you taken the time to learn about all the Support Portal features and how they can save you time and keep you productive? Today's tech tip is to reserve six minutes and sixteen seconds today to discover the value of the Portal! IBM Electronic Support has recently published a new video on YouTube to walk you though the IBM Support Portal and help you get the most from this unified, centralized view of all technical support... [More]
Rocks, Paper, Scissors? Heads or Tail? Good guess's but none of the above. A tiebreaker is a object used in a DB2 HA (High Availability) cluster environment comprised of even number of nodes. In such a cluster environment, when both nodes cannot communicate with each other, the tiebreaker is used by both nodes to see which node is still active and can continue to host cluster resources. This in essence, is " breaking a tie ", hence, a tiebreaker. Tiebreaker requirements A tiebreaker must be accessible from all nodes in the... [More]
Our team is ready to go and eager to meet with you at Information on Demand 2011! We can hardly believe another IOD is around the corner! Below you will find a list of our leaders attending IOD and where you can find them:
Rosanne DeVries, VP, Worldwide Client Support, Information Management
What Rosanne is looking forward to most at IOD: Meeting and talking directly with our Support and AVP clients is the most valuable part of IOD for me. It is truly a learning experience for me to better understand both our clients' challenges and... [More]
During crash recovery, if many load operations have to be replayed, then it might take a long time to complete. The load operation will keep the pending operations in transaction logs no matter if it is recoverable load or non-recoverable. These pending operations will be kept in transaction log just before the table status is changed back from "load in progress" state to "normal" state. If the crash recovery starting point - min(lowtranlsn, minbufflsn) is before load pending operations then db2 will have to replay... [More]