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In our environment, the replay on the standy database is not able to keep up with the speed at which the PRIMARY is able to process data. Our replay gaps often exceed 100 GB, and this means that any failover would be delayed. We use HADR for high ...
DB2 HADR - TSAMP integration. Treat a set of databases on a server, even across DB2 instances, as a unit. If one database has a failure and has to failover then we want all the databases in that unit to failover. And just as important, we want to ...
Tiebreak disk as second quorum mecanism for clusters with DB2 + HADR + TSAMP
Customer have some DB2 cluster with HADR and TSAMP. By default this kind of cluster uses network quorum as tiebreaker mechanism. And there is not a secondary mechanism to verify the quorum state of the cluster if any issue affect the gateway or th...
Allow Read Only Sharing on HADR while Catalog updates
We are trying to use HADR Read only Sharing to allow ad-hoc query against a 4Tb transactional database. The standby should allow us to reduce the impact of ah-hoc business queries. The application is a vendor supplied document storage and retrieva...
Some SQL could trigger the HADR replay-only window, and terminate the connection of the read only appplicationin the standby
SPDB use blow SQL in one of the application. those SQL could trigger the HADR replay-only window, and terminate the connection ot eh read only applicaiton in the standby side. drop tableã€create tableï¼ˆinclude PARTITION BY RANGEï¼‰ã€drop indexã...
Add support for passing rowchangetimestampoverride filetype modifiers to admin_move_table(RIMS)
My customer, Deutscher Sparkassenverlag, makes extensive use of the admin_move_table utility and uses the rowchangetimetamp feature on columns in several thousand large tables with thousand millions of rows. These rowchangetimestamp will be used f...
Currently with v11.1 Mod4 Fixpack 4 there is no functionality to change the SSL cipher used to communicate between Primary and Standby.
The DBM CFG parameters SSL_VERSIONS or SSL_CIPHERSPECS do not apply to HADR. HADR is hard coded to use TLS v1....
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