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Add the ability to manually tune DB2_HADR_HANG_DETECTION
Currently DB2_HADR_HANG_DETECTION is set internally and can't be configured. Customer's environments may involve slower responding components and may result in Db2 triggering the hang detection even though the system isn't hung. It would be useful...
Read On Standby (ROS) Access during Upgrade process LUW
During the version upgrade of Db2 LUW, the standby (ROS enabled) needs to be brought down - during the upgrade:
DB2 Pacemaker upgrade break cluster when Red Hat Satellite is not accessible
Hello, My idea is to add some check if Red Hat satellite is visible into db2installPCMK because if it's not, update will break cluster and DB2 will be unusable until visibility is fixed and db2installPCMK is executed again. As workaround you shoul...
Ability to execute Pacemaker status and version commands as a non-root use
In TSA the following commands can be executed as a non-root user / db2 instance to check the status , get the version , enable disable cluster: lsrpdomain lsrpnode lssam samversion db2haicu -disable Pacemaker commands require root access to execut...
fencing agent handle promptly and avoid server reboot when it noticed minor lib changes at OS end
Dear IBM Thank you much for such great imitative on HA Auto failover feature on DB2 LUW. We have implemented PACEMAKER with fencing technology on huge number of DB2 servers. Following are the challenges which needs to be addressed and improve the ...
db2expln stopped working from db2v22.214.171.124 onward on HADR STANDBY
db2expln, doesn't write / update and tables on the database and it was working till db2 v11.5.5 on STANDBY RO enabled, from v126.96.36.199 it stopped working, many time there is a need to check explain out on STANDBY RO enabled
Ease use of ROS in high volume transaction system utilizing DGTT on Primary db
Trying to utilize ROS to offload reports and heavy queries from Primary Database. Hence we should be able to scale the workload on the Primary, once these are moved away form here. But does not work out for us. Queries are getting forced off often...
Problem Statement: At present we are following IBM process to upgrade db2 hadr servers: https://www.ibm.com/docs/en/db2/11.5?topic=udhadrhe-upgrading-db2-servers-in-hadr-environments-without-standby-reinitialization Current IBM process involves an...
IBM case: TS008415413 When an OFFLINE REORG is submitted on Primary, the REPLAY on STANDBY (both Principal and Auxiliary) applies the transactional logs till the BUILD phase. When the reorg moves to recreate or updates the INDEXES, the REPLAYS sto...
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