https://www.ibm.com/docs/en/zos/2.4.0?topic=output-dcollect-record-structure Defines the fields in DCOLLECT output data set. Includes HFS and zFS field definitions.
On Thu, Oct 7, 2021 at 9:37 AM Radoslaw Skorupka <[email protected]> wrote: > > Well, I'm not z/OS Unix guru, but it seems pretty easy to me. > First - mounted filesystems can be listed using several methods > including SDSF, MVS command, ish pull down menu, BPXPRMFS member. > Second - automount. > Third - "dummy, lost, forgotten" HFS, that means the dataset exists, but > it is not mounted or listed. It is not hard to list such datasets > residing on DASD. Things are more complex when it is on ML2 or backed up > and deleted or just dumped using DSS to some sequential dataset. However > this is the same case as with ISAM datasets. Maybe someone still has > some ISAM datasets in his dump file? > > IMHO more important is to have a procedure/process/project to convert > HFS to ZFS. Some filesystems can be unmounted with no harm to > production, but some cannot. > > -- > Radoslaw Skorupka > Lodz, Poland > > > > W dniu 07.10.2021 o 09:25, Colin Paice pisze: > > I think the question came up from someone who had not had to administer > > ZFS/HFS before. It was one of these "where do I start" questions. Of > > course once you are familiar with an area it gets easier. > > Colin > > > > On Wed, 6 Oct 2021 at 22:04, Radoslaw Skorupka <[email protected]> > > wrote: > > > >> W dniu 06.10.2021 o 16:44, Ed Jaffe pisze: > >>> On 10/6/2021 7:11 AM, Pommier, Rex wrote: > >>>> z/OS 2.4 is the last release of the operating system to support the > >>>> HFS (Hierarchical File System) data structure used by the z/OS UNIX > >>>> environment. IBM has provided equivalent if not superior > >>>> functionality with the z/OS File System (zFS). Customers should > >>>> migrate from HFS to zFS using the utilities provided in the operating > >>>> system to convert their entire file system hierarchy. > >>> I always intended to ask how customers can identify all of their HFS > >>> data sets. Is it something in ISMF? > >>> > >> Maybe my English is poor, but I don't understand the question. > >> What's hard in identifying HFS datasets? > >> > >> 1. BPXPRMFS show all mounted filesystems. Just a list to check. > >> 2. AUTOmount is rather easy to check. > >> 3. Last, but not least there are tools like IDCAMS DCOLLECT and LISTDSI. > >> 4. Other cases would live in backup/ML form or just as loosely idea. > >> > >> What am I missing? > >> > >> -- > >> Radoslaw Skorupka > >> Lodz, Poland > >> > >> > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
