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DFSMS HSM

Showing 97

Have HSM display unambiguous dates.

I live in South Africa, support customers in the UK, running an American operating system. HLIST of a migrated dataset displays both the migration date and the last reference date. However, both these dates have the format xx/yy/zz, with no explan...
about 1 year ago in z/OS / DFSMS HSM 0 Future consideration

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 ...
about 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...
about 1 year ago in z/OS / DFSMS HSM 1 Future 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...
about 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...
about 1 year ago in z/OS / DFSMS HSM 0 Future consideration

Force HSM to reconnect active request to DS8k HMC

Using TCT HSM sends migrate/ recall requests to the DS8k HMC using IP. In case there is a problem with this HMC, it's possible to reconfigure SMS with an alternate HMC, but the active tasks are still connected to the 'failed' HMC and never end. Fa...
about 1 year ago in z/OS / DFSMS HSM 0 Future consideration

Honor the MC attributes for TCT using 'HMIG' command

Currently if you use 'HMIGRATE' command, all attributes of the 'Management Class' concerning 'Transparent Cloud Tiering' are not honored.
over 1 year ago in z/OS / DFSMS HSM 0 Planned for future release

Notify DFSMShsm users when automatic functions do not complete within a specified amount of time.

HSM has automatic functions which run for a certain amount of time that can be varied. At times, an automatic function, such as migration, may get hung and not complete. Provide the capability of noting when a function does not complete within spe...
over 1 year ago in z/OS / DFSMS HSM 1 Planned for future release

Assign WLM Service Classes to DFHSM Sub-tasks

We would like a way to assign different WLM service classes to DFHSM subtasks. Specifically we'd like to assign RECALLs to a high importance/velocity service class and MIGRATEs to a lower importance/velocity service class. Can this be done while t...
over 1 year 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...
over 1 year ago in z/OS / DFSMS HSM 0 Future consideration

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