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Improved Db2 backup thread (db2bm and db2med) binding/distribution on NUMA systems
On a large NUMA systems with a very fast storage and a fast backup target memory affinity might affect backup time as well as the overall system performance during the activity. Currently, with the Db2's automatic thread NUMA binding (DB2_RESOURCE...
Allow IAM access for server to S3 to work for Db2 backups
AWS allows a server or container to have an IAM role that allows access to S3 and other resources without authentication. However, cataloging a storage alias requires a key and secret key to work, regardless of whether the IAM role is set up for t...
Introduce a new parameter to the export utility to be able to export data from a table that is in a backup image.This functionality is especially useful for data extraction without touching/impacting the source system
Avoid Single point of failure for Db2's critical files
If the critical files of Db2 damage, e.g. by erroneously deletion, file system corruption Db2 will no longer be available (#usable). Since some of the critical files are permanently updated a restore of the critical files does solve the problem. A...
Restore database to another Db2 server with different endianness
My customer is using RHEL Big Endian Linux on PPC and Db2 10.5 which is end of support April 30, 2020. They have no option but to migrate to RHEL Little Endian. They cannot simply backup and restore the database and are looking at using Db2move ...
For databases using AUTO_DEL_REC_OBJ, at the end of the BACKUP utility there is a synchronous process which purges any history records and their associated archive logs. This can take a very long time on busy systems. It is necessary to decoupl...
Db2 V9.7 FP2: Intra-tablespace parallelism can reduce elapsed time for backupsStarting in Version 9.7 Fix Pack 2, intra-tablespace parallelism was introduced and can be used during backups other than delta and incremental backups. Intra-tablespace...
Restore of online backup taken with older Db2 version
Current product limitation don't allow to restore an online database backup that were taken with a older Db2 level than the on of the Db2 instance .Our production environement must be available on a 24x7 basis and this limitation is a serious lim...
HADR: Ability to take incremental backups on either host and maintain the incremental chain for restore
In an HADR environment it is not possible to restore / recover the database with backups which are taken from both sites of the HADR cluster (after takeovers). You have to use the backups from the one site or from the other site. You can't mix the...
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