There was an excellent presentation in IBM TechDocs called "Tape 101" that did 
exactly this.
Of course, it is lost now... unless someone has a local copy.


- KB

------- Original Message -------
On Sunday, June 4th, 2023 at 10:16 PM, rpinion865 
<0000042a019916dd-dmarc-requ...@listserv.ua.edu> wrote:


> I've watched this thread for quite sometime. I come from a small systems 
> background, and did not have any exposure to tape libraries and VTS's. Now 
> that I'm working for a larger company, I feel lost in regards to the whole 
> VTS thing. I wish there was a z/OS VTS class that would start from the 
> beginning and work its way up to advanced concepts like clustering and the 
> subject that you guys have been talking about. Just saying.
> 
> 
> 
> 
> Sent with Proton Mail secure email.
> 
> 
> ------- Original Message -------
> On Sunday, June 4th, 2023 at 12:28 PM, jony cecil cecilj...@gmail.com wrote:
> 
> 
> 
> > Hello,
> > Pls correct me if I misunderstood the situation:
> > - you need to clean 0012 and 001F tapes on the cluster only, right?
> > There's no Rmm or Tcdb information for them, right?
> > Did you tried, just for one tape, to define it on tcdb with CREA VOLENT
> > with UATTR(SCRATCH) and force an ALTER on it? Did the category changed to a
> > scratch category, if so, you can an eject on it with LI E, tape, p.
> > HTH, regards
> > 
> > A domingo, 4 de jun de 2023, 11:32, Nobuhiko Furuya furu...@v-sol.co.jp
> > 
> > escreveu:
> > 
> > > Hi,
> > > 
> > > If category code 0002 doesn't have Expire Hold=On, you don't have to
> > > wait the expire time passes before eject request.
> > > 
> > > Best regards,
> > > 
> > > Nobuhiko Furuya(古谷信彦)
> > > V-SOL Inc.
> > > 
> > > On 2023/06/03 23:54, Tom Longfellow wrote:
> > > 
> > > > I have had some progress. Here is the sequence of command for one of
> > > > my volumes.
> > > > 
> > > > DELETE 'VTD0900' VOLUMEENTRY
> > > > IDC3012I ENTRY VTD0900 NOT FOUND+
> > > > IDC3009I ** VSAM CATALOG RETURN CODE IS 8 - REASON CODE IS IGG0CLEG-42
> > > > IDC0551I ** ENTRY VTD0900 NOT DELETED
> > > > IDC0014I LASTCC=8
> > > > CREATE VOLUMEENT(NAME(VTD0900) LIBRARYNAME(JISVTS1) LOCATION(LIBRARY)
> > > > STORGRP(SCRTCH) MEDIATYPE(MEDIA2) RECORDING(36TRACK)
> > > > USEATTRIBUTE(SCRATCH)
> > > > RMM DV 'TD0900' FORCE
> > > > RMM AV TD0900 STATUS(VOLCAT)
> > > > RMM CV TD0900 RETPD(0) STATUS(USER) RELEASEACTION(SCRATCH)
> > > > RETENTIONMETHOD(EXPDT)
> > > > RMM DV TD0900 RELEASE
> > > > 
> > > > This also works on volumes in Category 001F (PRIVATE). These commands
> > > > were then followed by EDGPLSCS with the command.
> > > > SQ TD0900
> > > > 
> > > > The final results are tapes in Category 0002.
> > > > 
> > > > My next decision is when to try the EQ commands. Some are still
> > > > holding space until internal VTS reclaim process cleans the cache (
> > > > Prefer Keep) status.
> > > > Some have a 'Expire Time' of two weeks. Others have an 'Expire Time'
> > > > of 'Not Set'.
> > > > I may just go ahead and give it a try after waiting for a RMM
> > > > Housekeeping to have a pass or two through the CDS.
> > > > 
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> 
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