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Adabas Cluster Services (ALS)

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Allow Adabas Cluster Services maintenance without downtime.

z/OS can upgrade one LPAR at a time in the cluster - but Adabas needs all cluster nuclei to be down to upgrade between releases or to apply particular zaps. Make Adabas Cluster Services able to be upgraded without downtime. From duplicate ADAMF-I-...
Bjarne Soerensen almost 2 years ago in Adabas for z/OS / Adabas (ADA-zOS) / Adabas Cluster Services (ALS) / HA 0 New

Avoid Adabas down - error message explanation.

We had a situation with Adabas Cluster Services where the PLCOPY jobs stopped working. This eventually leads to all database nuclei crashing - database down. Please make ADARES PLCOPY write a reason message for error 156 - in this case that "an in...
Bjarne Soerensen about 3 years ago in Adabas for z/OS / Adabas Cluster Services (ALS) / HA 0 Under development

IBM Coupling Facility - async lock structure duplexing

Our Geoplex is currently spread over 3 locations. However, we will have to give up one of these locations in the near future and the two remaining locations are 25 km apart. Due to the greater distance, we expect a performance penalty when we perf...
Guest about 3 years ago in Adabas for z/OS / Adabas Cluster Services (ALS) 0 Planned

Mode Single

English Translation: We have a cluster Database, when I was about to run a Backup in “single” mode, I shutdown the main “nucleus” but forgot to shutdown the “cluster” and the Backup executed successfully. My question is, shouldn´t this “backup” e...
Guest about 3 years ago in Adabas for z/OS / Adabas Cluster Services (ALS) 0 Under development

Avoid PARM-ERROR 025 starting cluster nucleus while ADASAV SAVE ONLINE

In a cluster environment, this error happens: 1.- Some nucleus images are up. 2.- An ADASAV SAVE (online) begins. 3.- Trying to start a new nuecleus image receives PARM-ERROR 025 message and can't by started while utility is working. It conflicts ...
Miguel Angel Vizoso about 3 years ago in Adabas for z/OS / Adabas Cluster Services (ALS) 0 Under Review