RE: Informix for IBM S/390

--- kirk.waterhouse@cibavision.Novartis.com > wrote: >Why don't you re-read the whole thing from the beginning. I did. >I was describing one of the possible ways, method 3 in the list, to run >Informix on Linux on a S/390 mainframe - as I understood it - not every >possible incantation of mainframe configurations. I took your comments to indicate that you believed option 3 was the only way available to run Linux. >I am a UNIX guy and I was simply saying that it sounded like a lot of layers >to run a database on. It reminded me of when I used to run Word Perfect in a >dos emulation session on an Altos 10000 - 486 with 32 meg of ram with 100 >people on it. >It worked, but was not the best possible solution. > >Besides, none of this is actually possible since Informix does not support >Linux except on Intel Support and possible are not the same. Then again, I'm still an optimist. >> -----Original Message----- >> From: Carlos Benjamin [SMTP:benj@firstlinux.net] >> Sent: Tuesday, 2000-August-15 9:02 AM >> To: kirk.waterhouse@cibavision.exc3.Novartis.com; informix-list@iiug.org >> Subject: RE: Informix for IBM S/390 >> >> >> >> --- kirk.waterhouse@cibavision.Novartis.com >> > wrote: >> >I don't know that much about the S/390. Just what I read on IBM's web >> site >> >about them running 41,000 instances of Linux on a single box - Just >> >because they could. >> > >> >It simply seems to be a lot of layers between Informix and the metal if >> you >> >run it in the mode I described - and I can not imagine someone dedicating >> an >> >entire 390 to run Linux - directly on the box. >> >> What do you mean? If you run Informix in the 41,000th instance? Actually, >> I thought it was 41,000 in a single VM session. As far as how insulated >> Informix would be from the hardware, you need to re-read the post you >> replied to: >> >> ">Linux runs on S/390 in all >> > the same ways as traditional O/Ses run on S/390: either (1) on the >> > bare metal or (2) in an LPAR (up to 15 partitions) or (3) under VM >> >> On the bare metal looks like very few layers to me, but I'm an optimist. >> >> >Try it - let us know how it works. >> > >> >> -----Original Message----- >> >> From: mbeattie@sable.ox.ac.uk [SMTP:mbeattie@sable.ox.ac.uk] >> >> Sent: Monday, 2000-August-07 6:22 AM >> >> To: informix-list@iiug.org >> >> Subject: Re: Informix for IBM S/390 >> >> >> >> In article <8mf17p$952$1@news.xmission.com>, >> >> <kirk.waterhouse@cibavision.Novartis.com> wrote: >> >> > >> >> >Since IBM released Linux for the S/390, maybe you can run Informix for >> >> Linux >> >> >=:-) >> >> >A database running on a operating system running on a virtual machine >> >> >running on an operating system running on a mainframe. >> >> >The performance would have to be phenomenal. >> >> >> >> You seem to be implying that it would be slow for some reason. By >> >> "virtual machine running on an operating system", I assume you mean >> >> VM but VM (well, CP) is an operating system in its own right and >> >> runs on the bare metal (or in an LPAR). Linux runs on S/390 in all >> >> the same ways as traditional O/Ses run on S/390: either (1) on the >> >> bare metal or (2) in an LPAR (up to 15 partitions) or (3) under VM >> >> which provides any reasonable (or even unreasonable) number of >> >> virtual machines in which O/Ses can be run, whether it's OS/390, >> >> CMS, VSE or Linux. Running OS/390 in a VM is fairly unpopular >> >> because it's unusual to want to run lots of separate OS/390 >> >> instances. >> >> >> >> Typically, you run Linux in an LPAR or under VM. In both cases, >> >> you're running close enough to the metal to get good performance: >> >> especially in the database world where I/O is extremely important. >> >> Now that IBM have announced Linux Integrated Facility (an S/390 >> >> engine for a third of the usual price licensed to run Linux only >> >> and which doesn't affect the usually per-engine licensing costs of >> >> any of your other S/390 software) and VIF (a cut down version of VM >> >> for running Linux only that costs a once-off price of $20000), it's >> >> even more worth considering. >> >> >> >> Obivously, IBM will be the first big vendor database for Linux/390 >> >> when DB2 leaves beta (current timescale says beta 3Q00 and release >> >> 4Q00). It might be interesting if Informix was the next out since >> >> they were one of the first vendors to take Linux/Intel seriously. >> >> On the other hand, getting into a new platform may be too much hard >> >> work. On the gripping hand, if vendors were prepared to do lots of >> >> grotty porting effort to get stuff running on NT and then have to >> >> deal with all the nasty support issues of that platform then typing >> >> "make" to get Informix/L390 working and having a pretty much >> >> identical platform between Linux/390 and the currently supported >> >> Linux/Intel should be a doddle :-) >> >> >> >> --Malcolm >> >> >> >> -- >> >> Malcolm Beattie <mbeattie@sable.ox.ac.uk> >> >> Oxford University Computing Services >> >> "I permitted that as a demonstration of futility" --Grey Roger >> >> == >> Maintainer of the procrastinator's FAQ. >> Well, maybe tomorrow I will be. >> >> _____________________________________________________________ >> Want a new web-based email account ? ---> http://www.firstlinux.net == Maintainer of the procrastinator's FAQ. Well, maybe tomorrow I will be. _____________________________________________________________ Want a new web-based email account ? ---> http://www.firstlinux.net