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DFSMS HSM

Showing 102

Improve HSM ML1 migration volume selection by considering fragmentation

When HSM attempts to migrate a data set to an ML1 volume, it only considers free space available on the volume. Unfortunately, in an environment with large volume sizes (like 1TB EAV's), there can be a lot of free space available on a volume, but ...
over 1 year ago in z/OS / DFSMS HSM 0 Future consideration

Improve HSM messaging around ML1 data set migration failures

During ML1 migration, HSM selects a volume by examining the space available but it does not consider the fragmentation index for the volumes. In cases where there are many volumes (especially EAV's) with a lot of space available in the overall poo...
over 1 year ago in z/OS / DFSMS HSM 1 Future consideration

Recalls of NON-EXTENDED datasets fail on EAV volumes if TMS (Track Managed Space) is full

Getting message IGD17272I VOLUME SELECTION HAS FAILED FOR INSUFFICIENT SPACE.
about 3 years ago in z/OS / DFSMS HSM 2 Future consideration

Improve the accuracy of FRBACKUP Dump States by not setting initial state to FAILED

Description: The Fast Replication Dump State value of 'FAILED' can sometime be a false negative. We have encountered circumstances where the dump has not failed, but the dump state indicates it has failed. How it works today in the customer enviro...
almost 5 years ago in z/OS / DFSMS HSM 1 Future consideration

Allow the LASTCOPY of Copypool backup to expire

Currently, DFHSM will not "EXPIRE" the last copy of a Copypool backup. It flags the tapes as EXPIRE but does not truly expire the tapes. Manual commands must be executed in order to truly expire the backup tapes of the last copy of a copypool.
about 8 years ago in z/OS / DFSMS HSM 2 Not under consideration

Allow ML1 DASD volume DEFRAG when HSM is active

Based on a Case that I had opened regarding the use of DFDSS DEFRAG and ML1 DASD volumes, IBM Support mentioned that "...if you want to do defrag the ML1 volumes, you should backup the ML1 volumes first and then shutdown HSM. You should not runnin...
over 1 year ago in z/OS / DFSMS HSM 0 Future consideration

Allow DHSMSHSM to set a lifecycle policy during bucket creation

We are using IBM Transparent Cloud Tiering and HSM to migrate data to the cloud. We have had instances where the migration fails, which can result in orphaned "multipart uploads in progress" on the cloud object storage. We have been manually remov...
over 1 year ago in z/OS / DFSMS HSM 0 Future consideration

ABARS - filters in the SYSIN to select the datasets

We are using ABARS as a backup solution for a new project. However I have to select different datasets, including GDG's and I cannot find a way to use DFSMSDss resources in my ABARS (ABACKUP) SYSIN. As far as I can see I can only use INCLUDE and E...
over 3 years ago in z/OS / DFSMS HSM 1 Future consideration

Add option BACKUP to HMIG command.

Add option BACKUP to command HMIG that backs up a DSN to a HSM backup volume if none is present, then migrates the dataset to a migrate volume.
over 10 years ago in z/OS / DFSMS HSM 2 Not under consideration

Add DFSMShsm RECYCLE for Cloud Objects

An enhancement to DFSMShsm RECYCLE to consolidate containers with a few objects to the "active" container or a specific container for consolidated objects. DFSMShsm creates cloud containers to store objects using the default syntax of SYSARC.<H...
about 2 years ago in z/OS / DFSMS HSM 0 Future consideration

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