I like tape too, especially since we introduced a VTS its connections were initially 'faster' than disk, which could only catch up with new disk systems. After the tape-to-disk migrations of decades ago, I started disk-to-tape migrations again to gain disk space. Sadly there were not many candidates (Large, sequential, single open).
Kees. > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On > Behalf Of Brian Fraser > Sent: 01 February, 2019 10:21 > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: Re: Tape Mount Management > > I still like tape. > > No B37 abends. No waiting for recalls from HSM and reduces the need for > HSM > recycling. > > As long as only 1 open is required at a time and no one needs to > browse/edit the dataset, I don't see any reason to store large > sequential > datasets on DASD. > > CA-1 reporting and ISPF panels give a lot of easily access to > information, > without the need to scan through tons of SMS data to get the same for > DASD > data. > > > > On Fri, 1 Feb 2019 at 15:23, Vernooij, Kees (ITOP NM) - KLM < > kees.verno...@klm.com> wrote: > > > So, the "problem" you try to solve is that you want to charge more > data? > > Why don't you just start charging tape data then? > > I think you a trying to build a canon just to shoot a mosquito (Dutch > > expression). > > > > Kees. > > > > > > > -----Original Message----- > > > From: IBM Mainframe Discussion List [mailto:IBM- > m...@listserv.ua.edu] On > > > Behalf Of Benik, John E > > > Sent: 31 January, 2019 21:31 > > > To: IBM-MAIN@LISTSERV.UA.EDU > > > Subject: Re: Tape Mount Management > > > > > > Thank you for all the feedback. Even though we are all virtual > tape, I > > > am under the impression that not all the data residing on tape > should > > > be. Yes it's virtual and therefore disk, but many of the JCL used > today > > > is old and since there is no chargeback for tape, users continue to > > > write their data to tape. I am looking into this to help determine > > > where the data should reside. The best will probably be looking at > > > smaller tapes and having those go to disk instead. I'm thinking > > > starting with 50 MB. > > > > > > > > > > > > John Benik | Optum > > > Senior Systems Management Analyst – Mainframe Storage, Network > Hosting > > > Services > > > Optum Technology > > > 12125 Technology Drive > > > Eden Prairie, MN 55344 > > > > > > O) 1-952-833-7765 > > > C) 1-612-616-3984 > > > > > > > > > > > > -----Original Message----- > > > From: IBM Mainframe Discussion List [mailto:IBM- > m...@listserv.ua.edu] On > > > Behalf Of Paul Gilmartin > > > Sent: Wednesday, January 30, 2019 1:36 PM > > > To: IBM-MAIN@LISTSERV.UA.EDU > > > Subject: Re: Tape Mount Mangement > > > > > > On Wed, 30 Jan 2019 17:30:34 +0100, R.S. wrote: > > > > > > > >My other impression is it's simpler to change gazillion (usually > less) > > > >of JCL jobs to explicitly point datasets to DASD than using TMM. > > > > > > > Might a JCLLIB member that SETs a few JCL symbols facilitate this? > > > Reduce a gazillion to a handful? Nowadays JCL symbols can even > > > be resolved in SYSIN. > > > > > > >Of course virtual tape reliefs many pains of tape, but keeping > things > > > in > > > >old way is not good for the future. > > > > > > > IBM sometimes seems to have the opposite impression. > "Compatibility". > > > > > > -- gil > > > > > > -------------------------------------------------------------------- > -- > > > For IBM-MAIN subscribe / signoff / archive access instructions, > > > send email to lists...@listserv.ua.edu with the message: INFO IBM- > MAIN > > > > > > This e-mail, including attachments, may include confidential and/or > > > proprietary information, and may be used only by the person or > entity > > > to which it is addressed. If the reader of this e-mail is not the > > > intended > > > recipient or his or her authorized agent, the reader is hereby > notified > > > that any dissemination, distribution or copying of this e-mail is > > > prohibited. If you have received this e-mail in error, please notify > the > > > sender by replying to this message and delete this e-mail > immediately. > > > > > > > > > -------------------------------------------------------------------- > -- > > > For IBM-MAIN subscribe / signoff / archive access instructions, > > > send email to lists...@listserv.ua.edu with the message: INFO IBM- > MAIN > > ******************************************************** > > For information, services and offers, please visit our web site: > > http://www.klm.com. This e-mail and any attachment may contain > > confidential and privileged material intended for the addressee only. > If > > you are not the addressee, you are notified that no part of the e-mail > or > > any attachment may be disclosed, copied or distributed, and that any > other > > action related to this e-mail or attachment is strictly prohibited, > and may > > be unlawful. If you have received this e-mail by error, please notify > the > > sender immediately by return e-mail, and delete this message. > > > > Koninklijke Luchtvaart Maatschappij NV (KLM), its subsidiaries and/or > its > > employees shall not be liable for the incorrect or incomplete > transmission > > of this e-mail or any attachments, nor responsible for any delay in > receipt. > > Koninklijke Luchtvaart Maatschappij N.V. (also known as KLM Royal > Dutch > > Airlines) is registered in Amstelveen, The Netherlands, with > registered > > number 33014286 > > ******************************************************** > > > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ******************************************************** For information, services and offers, please visit our web site: http://www.klm.com. This e-mail and any attachment may contain confidential and privileged material intended for the addressee only. If you are not the addressee, you are notified that no part of the e-mail or any attachment may be disclosed, copied or distributed, and that any other action related to this e-mail or attachment is strictly prohibited, and may be unlawful. If you have received this e-mail by error, please notify the sender immediately by return e-mail, and delete this message. Koninklijke Luchtvaart Maatschappij NV (KLM), its subsidiaries and/or its employees shall not be liable for the incorrect or incomplete transmission of this e-mail or any attachments, nor responsible for any delay in receipt. Koninklijke Luchtvaart Maatschappij N.V. (also known as KLM Royal Dutch Airlines) is registered in Amstelveen, The Netherlands, with registered number 33014286 ******************************************************** ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
