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Improving CHECK utility performance: elapsed time and CPU
On our site, we have a PBG tablespace that, after loading, has the last partition in CHECK PENDING, the other partitions in RW. The IBM CHECK utility has taken a long time to complete the verification. We tried using the SCOPE PENDING parameter, b...
DSNU537I displays a page set which is not allowed in the list. As the utility can not know what the user intends to do, the text should be changed to a more general text without naming a pageset. Why: 1) Assume userA runs COPY with 4 objects, one ...
Change behavior of option PARALLEL(0) for REORG TABLESPACE
We had a problem recently when a reorg of a tablespace with 100 partitions consumed far too much real storage. We ran the reorg with PARALLEL(0) and it choose to use 188 parallel tasks. That was probably OK at the beginning of the execution but no...
REBUILD - After recovery of TS is NPSI improvement
Recovered SEMHNSA Partition 1 which has a NPSI. Rebuild has no idea that only partition 1 was recovered and rebuilds all the partitions for NPSI XEMHUNSA. Believe improvements need to be made to make the REBUILD know that only partition 1 needs to...
Support Spanned Record Format in Reorg Discard Dataset
We would like Discard Lob's from a Table and Load them into a Partner Table. The Discard Dataset can not exceed 32K, so it is not possible. With Unload Utility it is possible to define Spanned Yes for SYSREC. It would be helpful if you could suppo...
Would like to be able to dynamically allocate a z/OS Unix Named Pipe via the TEMPLATE utility. LOADing to and UNLOADing from named pipes is extremely useful, for example, to copy data between different Db2 systems on the same z/OS image. In JCL, t...
Add "EXCEPTION" parameter to CHECK INDEX to discontinue processing after N disrepancies
Sometimes when you run CHECK INDEX you encounter a huge number of discrepancies so much so that the utility keeps running and running and producing an excessive amount of output -messages regarding the details of the discrepancies. In some cases y...
Modify redirected recovery to eliminate the need for repair catalog of target
Modify redirected recovery to eliminate the need for repair catalog of target The relatively new Db2 utility enhancement of redirected recovery is very useful When recovering a target tablespace from another tablespace, the IBM documentation is ve...
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