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DFSMS HSM

Showing 63

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

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 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 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

Allow DFSMSHSM to provide Immutable option during bucket creation

We are using IBM Transparent Cloud Tiering and HSM to migrate data to the cloud. We have been questioned by our auditors if the data stored to the cloud is immutable. They want verification that once the data is written to the cloud, it cannot be ...
over 2 years ago in z/OS / DFSMS HSM 0 Future consideration

DFSMSHSM - remove reliance on ML1 for VTOC backups

We are no longer using migration level 1 for migrated data so we want to remove all ML1 volumes, however these are still required for VTOC backups. We do not see a need for VTOC backups as we would never use them for recovery but there does not ap...
over 5 years ago in z/OS / DFSMS HSM 1 Future consideration

Protect HSM expiration functions in IPL date error situation

We had a recent experience where one of our systems was IPL'ed to a future date. Unfortunately, RMM and HSM recycle processing ran during this time resulting in data being deleted prior to the true expiration date. We are able to change the RMM IP...
about 9 years ago in z/OS / DFSMS HSM 1 Future consideration

Allow DFHSM to Migrate bad files with 0 exts

We have come across bad dsns(meaning files that have no lrecl, blocksize, 0 extents and/or are empty).DFHSM will bypass these types of files due to it having 0 extents. What is happening is even though they are still being cataloged. With these fi...
over 3 years ago in z/OS / DFSMS HSM 1 Future consideration

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