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DFSMS HSM

Showing 58

Maximum same GDG parallel recall

In an GDG Extended environment, concurrent recall of too many (up to 999) GDSs may cause issues, the main ones being:1) Flood HSM recall queue with too many recalls, which can be:Too fast: With BATCH_RCLMIGDS(PARALLEL) in ALLOCxx all 999 recalls w...
over 2 years ago in z/OS / DFSMS HSM 0 Future consideration

HSM should have a similar performance to TSM

After IBM has discontinued TSM product, all possible alternatives to backup ZFS on a file basis with HSM result in unassumable CPU consumption and performance (CPU time). We have considered and tested all these alternatives, ours and those provid...
12 months ago in z/OS / DFSMS HSM 0 Future consideration

HSM FLB support of archive function

The current set of available functions does not allow to 'archive' a file
over 4 years ago in z/OS / DFSMS HSM 2 Future consideration

DFSMShsm full volume dump is still limited to 40 volumes

During our HSM space management, we have defined one dump class, which runs once a week. At this dump class, we have included our large application development department volumes (EAVs with 1182006 Cylinders per Volume). During our last full volum...
about 3 years ago in z/OS / DFSMS HSM 1 Future consideration

Would like to see a function in ISMF that would display the SETSYS options currently in use

Currently if i do a F DFSMSHSM,Q SETSYS - it is a rather long listing. I might missing a setting like MIGRATION HOLDIt would be great if in ISMF, the current parms as they are set could be displayed in an ISPF Table (not to update, just to view)Th...
12 months ago in z/OS / DFSMS HSM 1 Future consideration

New messages to show and alert when the HSM is hang about recalls and migration based on TS006249705.

The Itau bank has 2 very large Sysplexes Bank and Cards.They faced a new defect with the HSM running the PSM reported through the case TS006249705. Considering it was a new defect the IBM HSM lab opened the APAR OA61882 to fix this issue.The probl...
over 2 years ago in z/OS / DFSMS HSM 0 Future consideration

Thin Provision Release from HSM for Mainframe

Provide for thin provisioning space release when HSM does space management on zOS.
over 4 years ago in z/OS / DFSMS HSM 0 Future consideration

Support to have DFSMShsm invoke DFSMSdss with ZCOMPRESS(PREFERRED) during ABACKUP processing

DFSMSHSM has SETSYS ZCOMPRESS options to use zEDC compression during migration, backup and dump. But currently there is no SETSYS ZCOMPRESS option for ABACKUP
over 3 years ago in z/OS / DFSMS HSM 2 Future consideration

HSM improvement related to the ARCMDEXT EXIT and new parameter request

The Itau bank has 2 very large Sysplexes Bank and Cards.The Bank environment has a heavy batch workload that relies on the HSM task. The batch processing has a lot of GDG datasets.The Itau is using the EXIT ARCMDEXT to inform the HSM during the mi...
over 2 years ago in z/OS / DFSMS HSM 1 Future consideration

DFSMShsm file mode host: truncated pathname in messages ARC1000I and ARC1001I

At the DD ARCLOG Output Dataset, we have seen several USS paths/files with three dots in the middle (they were truncated, because they are too long). We know that the whole path-/filename can be displayed via the smf fsr record. However, for audit...
about 2 years ago in z/OS / DFSMS HSM 0 Future consideration

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