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z/OS File System (zFS)

Showing 19

Enhance zfsadm shrink command

Enhance zfsadm shrink command to give the new size not only in K-bytes but also by a percentage value based on the current size. For example a value of 50 to reduce to half the size. This would allow to have an automated process to reduce size of ...
almost 2 years ago in z/OS / z/OS File System (zFS) 2 Future consideration

All error messages for shell tools should be complete and NOT require referencing a Messages and Codes manual

Receiving a message like this (example from DSFS dsadm command): IDFS00329E Could not set creation parameters, return code 126 reason code ED07621A. Is confusing and meaningless to the average OMVS shell user. They are not used to finding a messag...
7 months ago in z/OS / z/OS File System (zFS) 4 Not under consideration

zFS - Update catalog bits also when filesystem is mounted RO

The zFS attributes from the CATALOG will be updated only when the filesystem is mounted RDWR. Meaning when a cluster is allocated with 'DEFINE CLUSTER LINEAIR' (not with ZFS keyword). And afterwards always mounted RO, the catalog is never updated....
almost 1 year ago in z/OS / z/OS File System (zFS) 1 Future consideration

Produce SMF 92 subtype 2 and 4 during backup of ZFS mounted in RWSHARE mode

During the dump process of a ZFS mounted in rw mode, a quiesce is done before the dump and an unquiesce is issued after the dump. SMF 92 subtype 2 is written when the filesytem is quiesced, and a subtype 4 is produced when it is unquiesced. This a...
over 4 years ago in z/OS / z/OS File System (zFS) 1 Future consideration

Take advantage of DAE to suppress dumps

We encountered a situation where the zFS address space was taking 2C3 abends. The abend would sometimes occur more than once a day. DAE was not suppressing the dumps. Coding of the SDUMPX macro should be changed to take advantage of letting DAE su...
almost 9 years ago in z/OS / z/OS File System (zFS) 1 Future consideration

zFS Striped restriction

Currently in z/OS zFS does not support the use of a striped VSAM linear data set as a zFS aggregate. StripedVSAM linear data set will only mount as read-only.
about 3 years ago in z/OS / z/OS File System (zFS) 0 Future consideration

Allow zFS Salvager to Check ACLs while File System is Mounted

There is an undocumented option of the salvager: CHECK_ACL_CONSISTENCY=ON to check and repair a file system with ACL problems.This feature should be documented and at least the check for problems should be possible for a mounted file system.
almost 6 years ago in z/OS / z/OS File System (zFS) 1 Future consideration

zFS ACCESS Security

We ask z/OS Security Server to be enhanced to permit zFS to be easily protected, like HFS current protection running for the early life of HFS on z/OS.
about 6 years ago in z/OS / z/OS File System (zFS) 1 Functionality already exists

Improve DSFS error messages

Receiving a message like this: IDFS00329E Could not set creation parameters, return code 126 reason code ED07621A. Is confusing and meaningless to the average OMVS shell user. They are not used to finding a messages and codes manual ( which is so ...
7 months ago in z/OS / z/OS File System (zFS) 1 Not under consideration

Forbid a zFS mount of an IDCAMS PATH

When we create an IDCAMS PATH on a zFS, although the IBM documentation says "DON'T DO IT" , it is still allowed. Plus, zFS allows a PATH to be mounted on mountpoint A while you can still mounthe real zFS to mountpoint B, which lead to corrupt our ...
12 months ago in z/OS / z/OS File System (zFS) 1 Future consideration

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