IBM once owned the Stratus line, a competitor to Tandem, and called it the System/88.
http://en.wikipedia.org/wiki/Stratus_Technologies On Sat, 2012-01-21 at 14:19 -0400, Clark Morris wrote: > On 21 Jan 2012 08:07:01 -0800, in bit.listserv.ibm-main you wrote: > > >On 01/21/2012 07:54 AM, Peter Relson wrote: > >>> how does IBM suggest doing a compress on a Linklist lib that needs > >>> compressing, inquiring minds would love to know > >> > >> There is no suggestion. This is simply not an operation that is supported > >> or can be supported in general. > >> > >> Peter Relson > >> z/OS Core Technology Design > >> > > > >So the only functionally-equivalent, officially-sanctioned way to > >accomplish this goal is still to > >(1) create a new dataset with a different name and copy the data to it, > >(2) modify PARMLIB LNKLST defs to replace the old library in linklist > >with the new at next IPL, > >(3) IPL. > >And if for some reason you really must have the original dataset name, > >repeat the process to get back to the old name. > > > >All the other techniques that have been described here in the past to > >achieve this and bypass or defer the need for an IPL either don't > >guarantee the new library will be seen by all address spaces or carry > >some risk. While those of us who have been around long enough are > >fairly certain of specific cases at our own installation where the risks > >of alternative methods are small enough and acceptable, it is > >understandable that IBM does not wish to "endorse" techniques whose > >success depends on SysProg competence and judgement and also in many > >cases upon the tacit cooperation of Murphy in keeping unrelated system > >failures from occurring in a narrow transition window during which > >libraries and PARMLIB might be in a state where successful IPL and > >recovery from system failure is not be possible (without an independent > >z/OS recovery system). > > This discussion reminds me of when I was in a shop that had both > Tandem and an IBM mainframe. The notice for a systems maintenance > upgrade on the Tandem was that the operator would institute a simple > procedure at a specific time with no outage. I think at one time IBM > owned a computer company (Sequent?) that claimed to be able to do the > same thing. I know that I was impressed by the Tandem capability. > > Clark Morris > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@bama.ua.edu with the message: INFO IBM-MAIN -- John McKown Maranatha! <>< ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: INFO IBM-MAIN
