I think the limit was 32 z processors in an LPAR. They might have raised it by now. z15 can have 190 in high capacity order.
On Fri, Mar 19, 2021 at 9:09 PM Radoslaw Skorupka <[email protected]> wrote: > > Yes, I also heard about quick IPL time, I was even heard about under > minute times. Of course I cannot test it. > > Regarding 3215 - it is another type of console. In z/OS realm we use > 3270 family, but z/VM (CMS) like 3215 and there is TERMINAL CONMODE > command to change the type of emulated device. > However it seems TPF expect 3215 device and no CONMODE is available. > Many years ago (z10?) new optional (paid) hardware feature was added to > the machine - it is 3215 mode of OSA-ICC emulated terminals. When you > have it enabled you see more tabs and windows on HMC. > > BTW: 30 CPs sounds amazing for me. I have never touch such big > configurations except some drills in Montpellier (IBM site). Fortunately > I had not to pay for it. > > -- > Radoslaw Skorupka > (looking for new job) > Lodz, Poland > > > > > W dniu 20.03.2021 o 02:45, Tom Brennan pisze: > > I hardly know anything about it, but about a year ago I watched an IPL > > at one of the customers you mentioned. TPF was running on a z15 with > > over 30 full-speed CP's. Their support guy mentioned he was concerned > > that they may be running more TPF CP's on a single box than anyone > > else in the world (bleeding edge). There were no zIIPs on the > > machine, but that doesn't necessarily mean TPF can't use them... I > > just don't know. > > > > I asked the support guy, So what do you do for a local backup, when an > > IPL is needed like tonight? Nothing! There is no HA backup other > > than DR (local and remote). Why? Because the IPL took maybe 3 > > minutes total! I guess there is little reason for sysplex or whatever > > (if TPF even supports such things). > > > > This was one LPAR bare metal running a single TPF instance for the > > entire company processing. Amazingly fast compared to z/OS. The only > > special thing I remember was a feature code that allows TPF to have a > > kind of ICC terminal - FC 0034 OSA ICC- 3215 Enablement - whatever a > > 3215 is I don't know. > > > > On 3/19/2021 5:03 PM, Radoslaw Skorupka wrote: > >> I know the IBM-MAIN forum is mostly about z/OS, but I wanted to ask > >> about about z/TPF - it seems to be on topic. > >> > >> z/TPF > >> > >> TPF is the system I have never seen. > >> I'm pretty sure there is no TPF installation in Poland. > >> However I'm curious about the following: > >> 1. What is typical size of TPF system? I mean MIPS sizing. Is it huge > >> or rather small? > >> 2. Does TPF typically run in bare LPAR or it is usually run under > >> z/VM, like z/VSE is? > >> 3. What is the pricing of TPF? > >> 3.1 Is it just single price per system, I mean no paid optional > >> features like in z/OS? > >> 3.2 Is it expensive? I heard, it is much more expensive, when > >> compared to z/OS running on the same MIPS base. > >> 4. Any special settings in LPAR definitions? I remember about specia > >> LPAR mode - ESA/TPF or so. However I don't know any explanation of > >> the difference. > >> 5. Does it use regular CP's only? Or maybe there are some workloads > >> applicable to zIIP or even other processors? > >> 6. Does it use SAP processors more extensively than other OSes? I > >> heard about it. > >> 7. Does exist any z/TPF forum like IBM-MAIN? > >> 8. What are known customers? I'm not asking about company secrets, > >> but I know (knowledge publicly available) about Citi, Marriott, VISA, > >> BofA, American Airlines, BA, Sabre, Amadeus and some more. Any other > >> known notable customers? Banks? ATMs? Reservations? Hotels? Anything > >> else? > >> > >> Any clue will be appreciated. I have to secret plan, I just want to > >> learn about it. Just curiosity. > >> > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to [email protected] with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > 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
