Re: z/VM - Lightweight specific purpose file system

2008-03-28 Thread Mark Post
>>> On Thu, Mar 27, 2008 at 7:04 PM, in message <[EMAIL PROTECTED]>, Marcy Cortes <[EMAIL PROTECTED]> wrote: > I think I remember hearing that's how it worked here for Windows and > RedHat Linux too. Not sure about SuSE Linux since we don't run that on > Intel. SLES on Intel is licensed per box

Re: z/VM - Lightweight specific purpose file system

2008-03-28 Thread Higgins, Neil S
and newer, since they must be registered to continue in full run mode. -Original Message- From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On Behalf Of Shimon Lebowitz Sent: Thursday, March 27, 2008 6:57 PM To: IBMVM@LISTSERV.UARK.EDU Subject: Re: z/VM - Lightweight specific p

Re: z/VM - Lightweight specific purpose file system

2008-03-27 Thread Jon Nolting
Operating System [mailto:[EMAIL PROTECTED] On Behalf Of Shimon Lebowitz Sent: Thursday, March 27, 2008 3:57 PM To: IBMVM@LISTSERV.UARK.EDU Subject: Re: z/VM - Lightweight specific purpose file system >Why would the Microsoft Licensing be "tricky"? >Expensive perhaps as you need

Re: z/VM - Lightweight specific purpose file system

2008-03-27 Thread David Boyes
> Is this really true??? One per *virtual*, not *real*, > machine? If I were two run two > copies of Windows on *one* PC, using e.g. VM-Ware, > I would be required to pay twice??? Depends on what version of Windows. Some versions have restrictions on where they can legally run, and there are limit

Re: z/VM - Lightweight specific purpose file system

2008-03-27 Thread Marcy Cortes
IBMVM] z/VM - Lightweight specific purpose file system >Why would the Microsoft Licensing be "tricky"? >Expensive perhaps as you need >one license per virtual machine, but not tricky... Is this really true??? One per *virtual*, not *real*, machine? If I were two run two copies o

Re: z/VM - Lightweight specific purpose file system

2008-03-27 Thread Shimon Lebowitz
>Why would the Microsoft Licensing be "tricky"? >Expensive perhaps as you need >one license per virtual machine, but not tricky... Is this really true??? One per *virtual*, not *real*, machine? If I were two run two copies of Windows on *one* PC, using e.g. VM-Ware, I would be required to pay t

Re: z/VM - Lightweight specific purpose file system

2008-03-27 Thread Dave Wade
m: "Gentry, Stephen" <[EMAIL PROTECTED]> To: Sent: Thursday, March 27, 2008 1:33 PM Subject: Re: z/VM - Lightweight specific purpose file system Hmm, what about the i370 aka Bigfoot? Other than physically, how did the p370 differ from the s/370? To quote from a document/webpage attrib

Re: z/VM - Lightweight specific purpose file system

2008-03-27 Thread Gary M. Dennis
ot;McKown, John" <[EMAIL PROTECTED]> > To: > Sent: Wednesday, March 26, 2008 7:09 PM > Subject: Re: z/VM - Lightweight specific purpose file system > > >> -Original Message- >> From: The IBM z/VM Operating System >> [mailto:[EMAIL PROTECTED] On

Re: z/VM - Lightweight specific purpose file system

2008-03-27 Thread Rob van der Heij
On Thu, Mar 27, 2008 at 5:51 PM, David Boyes <[EMAIL PROTECTED]> wrote: > > > Modern Linuxes don't run on p390-class machines anymore, I think. > > > Halfword immediate instructions maybe? > > > > With a proper support contract you could get the microcode that > > supports halfway immediate i

Re: z/VM - Lightweight specific purpose file system

2008-03-27 Thread David Boyes
> > Modern Linuxes don't run on p390-class machines anymore, I think. > > Halfword immediate instructions maybe? > > With a proper support contract you could get the microcode that > supports halfway immediate instructions. Didn't that require a p390e card or an IS, though? I don't think the MC

Re: z/VM - Lightweight specific purpose file system

2008-03-27 Thread Rob van der Heij
On Wed, Mar 26, 2008 at 11:30 PM, Adam Thornton <[EMAIL PROTECTED]> wrote: > Modern Linuxes don't run on p390-class machines anymore, I think. > Halfword immediate instructions maybe? With a proper support contract you could get the microcode that supports halfway immediate instructions. Early

Re: z/VM - Lightweight specific purpose file system

2008-03-27 Thread Adam Thornton
On Mar 27, 2008, at 8:33 AM, Gentry, Stephen wrote: Hmm, what about the i370 aka Bigfoot? Other than physically, how did the p370 differ from the s/370? To quote from a document/webpage attributed to you: Linux on the System/390 is an idea that has been being kicked around since Linux's earli

Re: z/VM - Lightweight specific purpose file system

2008-03-27 Thread Gentry, Stephen
tem 370 and not p370. Inquiring minds . . yadda, yadda Steve G. -Original Message- From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On Behalf Of Adam Thornton Sent: Wednesday, March 26, 2008 6:31 PM To: IBMVM@LISTSERV.UARK.EDU Subject: Re: z/VM - Lightweight specific purpose fi

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Schuh, Richard
System > [mailto:[EMAIL PROTECTED] On Behalf Of Gentry, Stephen > Sent: Wednesday, March 26, 2008 10:03 AM > To: IBMVM@LISTSERV.UARK.EDU > Subject: Re: z/VM - Lightweight specific purpose file system > > Seems like Johnny Carson did this joke as "The Great Carnac". >

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Adam Thornton
On Mar 26, 2008, at 3:23 PM, Gentry, Stephen wrote: It will work on an IS (been there done that) but painfully slow. Would the p390 actually have to be a p390e? I started to work on it a few times on a p370 but kept getting side tracked on other stuff. Steve G Mine *was* a p390E. I don't kno

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Dave Wade
cluding VM Ware. I guess they could buy VM Ware first... Dave G4UGM Illegitimi Non Carborundum - Original Message - From: "McKown, John" <[EMAIL PROTECTED]> To: Sent: Wednesday, March 26, 2008 7:09 PM Subject: Re: z/VM - Lightweight specific purpose file system -

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Gentry, Stephen
] On Behalf Of Adam Thornton Sent: Wednesday, March 26, 2008 4:12 PM To: IBMVM@LISTSERV.UARK.EDU Subject: Re: z/VM - Lightweight specific purpose file system On Mar 26, 2008, at 1:55 PM, David Boyes wrote: > Not very. Adam's done it on our MP3K (RIP -- check the archives for a > U

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Gentry, Stephen
day, March 26, 2008 12:43 PM To: IBMVM@LISTSERV.UARK.EDU Subject: Re: z/VM - Lightweight specific purpose file system Early in the development cycle, we had both QEMU and Bochs running on z/System version of Redhat (CentOS 5.4). The "Name two movie stars and a dog" joke applied to both em

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Adam Thornton
On Mar 26, 2008, at 1:55 PM, David Boyes wrote: Not very. Adam's done it on our MP3K (RIP -- check the archives for a URL with the screenshot of WinNT beating the living daylights out of our poor abused H70). Don't recommend it on that hardware. I think it was actually a P390 or IS. REALLY

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Stephen Frazier
I would assume he needs VM because he needs several different versions of z/OS to support his products. If your developing a z/OS product you need to have all the supported versions of z/OS to test it on. David Boyes wrote: We have been using VM for 20 of our 27 years in business. A developme

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread David Boyes
> > z/OS doesn't run because it deliberately issues an instruction subcode > > that is not implemented on an IFL and then craters in a specified way > > when the instruction fails. > One might infer from your characterization that z/OS added code to > intentionally crater itself on an IFL, and that

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread McKown, John
> -Original Message- > From: The IBM z/VM Operating System > [mailto:[EMAIL PROTECTED] On Behalf Of Alan Altmark > Sent: Wednesday, March 26, 2008 2:26 PM > To: IBMVM@LISTSERV.UARK.EDU > Subject: Re: z/VM - Lightweight specific purpose file system > > > On Wed

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Alan Altmark
On Wednesday, 03/26/2008 at 03:17 EDT, David Boyes <[EMAIL PROTECTED]> wrote: > z/OS doesn't run because it deliberately issues an instruction subcode > that is not implemented on an IFL and then craters in a specified way > when the instruction fails. One might infer from your characterization t

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Alan Altmark
On Wednesday, 03/26/2008 at 11:01 EDT, Mark Pace <[EMAIL PROTECTED]> wrote: > Me too! Me too > > Give me a z10 and I'll try it. If I find any on the sidewalk or near the storm drain I will save them for you and Adam. Alan Altmark z/VM Development IBM Endicott

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread David Boyes
> Systems such as z/OS do not run on an IFL due to > some differences in the microcode loaded. z/OS doesn't run because it deliberately issues an instruction subcode that is not implemented on an IFL and then craters in a specified way when the instruction fails. > If somebody wanted to, they co

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread McKown, John
> -Original Message- > From: The IBM z/VM Operating System > [mailto:[EMAIL PROTECTED] On Behalf Of Dave Wade > Sent: Wednesday, March 26, 2008 2:01 PM > To: IBMVM@LISTSERV.UARK.EDU > Subject: Re: z/VM - Lightweight specific purpose file system > > > Why would

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread David Boyes
> There could be virtualization uses > at some point. My shop is a heavy MS shop and trying to retire > their Multiprise 3000. It would be nice to pilot the migration > of some Windows servers onto our lightly loaded VM/ESA system. Wait for the new hardware, at least if you have anything else us

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Dave Wade
Why would the Microsoft Licensing be "tricky"? Expensive perhaps as you need one license per virtual machine, but not tricky... - Original Message - From: <[EMAIL PROTECTED]> To: Sent: Wednesday, March 26, 2008 6:52 PM Subject: Re: z/VM - Lightweight specific pur

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread David Boyes
> Are you saying or asking if has run Bochs on a mainframe? That would > be a very significant achievement. Not very. Adam's done it on our MP3K (RIP -- check the archives for a URL with the screenshot of WinNT beating the living daylights out of our poor abused H70). Don't recommend it on that h

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Peter . Webb
The tricky part about this is the Microsoft licensing. -Original Message- From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On Behalf Of McKown, John Sent: March 26, 2008 14:41 To: IBMVM@LISTSERV.UARK.EDU Subject: Re: z/VM - Lightweight specific purpose file system

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread David Boyes
> > We have been using VM for 20 of our 27 years in business. A development > > environment without it has never been considered an option. Now that's the sort of quote that should appear in IBM marketing materials. -- db

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread McKown, John
> -Original Message- > From: The IBM z/VM Operating System > [mailto:[EMAIL PROTECTED] On Behalf Of Mark Wheeler > Sent: Wednesday, March 26, 2008 1:35 PM > To: IBMVM@LISTSERV.UARK.EDU > Subject: Re: z/VM - Lightweight specific purpose file system > > &

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Mark Wheeler
System <[EMAIL PROTECTED] Subject ARK.EDU> Re: z/VM - Lightweight specific

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Dave Jones
Hi, Gary. So, let me see if I got this straightyour organization has developed some sort of application, which runs on CMS, that allows Windows-based code to be executed? Way cool, dude. Good luck with it, and could you please keep this informed as to your progress on this? Given your e

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Adam Thornton
On Mar 26, 2008, at 11:12 AM, David L. Craig wrote: On Wed, Mar 26, 2008 at 10:59:00AM -0500, Dave Jones wrote: Dave, yes, Boch, running Windows NT itself, has been hosted on top of a zLinux guest, running under z/VM. This feat was accomplished by my colleague Adam Thornton, who clearly has

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread David L. Craig
On Wed, Mar 26, 2008 at 12:32:58PM -0400, Alan Altmark wrote: > > I think you'll find the MP3K is just too slow (CPU speed). That was the > point of my talking about a z10; it's a much faster CPU than even a z9. > > But as an experiment to determine feasibility of the technology it would > be

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Gary M. Dennis
Early in the development cycle, we had both QEMU and Bochs running on z/System version of Redhat (CentOS 5.4). The "Name two movie stars and a dog" joke applied to both emulators running in this environment. We concluded early on that we had to get rid of Linux and the emulation layer. Both would

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Alan Altmark
On Wednesday, 03/26/2008 at 12:13 EDT, "David L. Craig" <[EMAIL PROTECTED]> wrote: > Yes, Google is my friend. There's even a Debian package, I see. > I, too, would be very interested is performance numbers from > state-of-the-art hardware. There could be virtualization uses > at some point. My

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Richard Troth
As Dave (Jones) said, yes, it's been done. But Dave (Craig), while it *is* cool, don't be shocked at this feat. BOCHS is a pure emulator. It can be built on *any* HW platform ("System p", Sun SPARC, or an ARM hand-held, not only "System z") and will emulate the INTeL instruction set with a sma

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread David L. Craig
On Wed, Mar 26, 2008 at 10:59:00AM -0500, Dave Jones wrote: > Dave, yes, Boch, running Windows NT itself, has been hosted on top of a > zLinux guest, running under z/VM. This feat was accomplished by my > colleague Adam Thornton, who clearly has way too much free time on his > hands. ;-) > > W

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Dave Jones
David L. Craig wrote: On Wed, Mar 26, 2008 at 10:29:59AM -0400, Alan Altmark wrote: An excellent goal. As a point of comparison, have you ever run Windows using the Bochs emulator on zLinux? If so, on what machine? (I'd like to see someone try it on a z10.) Are you saying or asking if has

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread David L. Craig
On Wed, Mar 26, 2008 at 10:29:59AM -0400, Alan Altmark wrote: > > An excellent goal. As a point of comparison, have you ever run Windows > using the Bochs emulator on zLinux? If so, on what machine? (I'd like to > see someone try it on a z10.) Are you saying or asking if has run Bochs on a m

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Mark Pace
Me too! Me too > > Give me a z10 and I'll try it. > > Adam -- Mark Pace Mainline Information Systems

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Adam Thornton
On Mar 26, 2008, at 9:29 AM, Alan Altmark wrote: On Wednesday, 03/26/2008 at 12:20 EDT, "Gary M. Dennis" <[EMAIL PROTECTED]> wrote: Emulation would be a non-starter for a production environment. I would describe this system as a single pass code segment translation system with conditional b

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Alan Altmark
On Wednesday, 03/26/2008 at 12:20 EDT, "Gary M. Dennis" <[EMAIL PROTECTED]> wrote: > Emulation would be a non-starter for a production environment. I would > describe this system as a single pass code segment translation system with > conditional block invalidation. > > We have been using VM for

Re: z/VM - Lightweight specific purpose file system

2008-03-26 Thread Stephen Frazier
Sounds very interesting. I hope you present your method at a conference sometime. Even if it isn't a commercial success the idea is intriguing. Gary M. Dennis wrote: Emulation would be a non-starter for a production environment. I would describe this system as a single pass code segment transla

Re: z/VM - Lightweight specific purpose file system

2008-03-25 Thread Gary M. Dennis
Emulation would be a non-starter for a production environment. I would describe this system as a single pass code segment translation system with conditional block invalidation. We have been using VM for 20 of our 27 years in business. A development environment without it has never been considered

Re: z/VM - Lightweight specific purpose file system

2008-03-25 Thread Stephen Frazier
Are you attempting to write a windows emulator that runs under VM? Looking at your companies web site it looks like you mostly sell products that run under z/OS. If you can do this there will be a lot of interest. Gary M. Dennis wrote: Months ago. The development team was so focused on instru

Re: z/VM - Lightweight specific purpose file system

2008-03-25 Thread Gary M. Dennis
> Sent: March 25, 2008 17:14 > To: IBMVM@LISTSERV.UARK.EDU > Subject: Re: z/VM - Lightweight specific purpose file system > > The callable services benchmarks we conducted with BFS ran between 8 and > 10 > times longer than the test set running with the CMS file system. > >

Re: z/VM - Lightweight specific purpose file system

2008-03-25 Thread Peter . Webb
- Lightweight specific purpose file system The callable services benchmarks we conducted with BFS ran between 8 and 10 times longer than the test set running with the CMS file system. Assuming a cluster of 125 Windows(r) 2K z/VM guests and using I/O counts generated by Win 2K on native Intel hardware the

Re: z/VM - Lightweight specific purpose file system

2008-03-25 Thread Gary M. Dennis
The callable services benchmarks we conducted with BFS ran between 8 and 10 times longer than the test set running with the CMS file system. Assuming a cluster of 125 Windows® 2K z/VM guests and using I/O counts generated by Win 2K on native Intel hardware the results of extrapolating the I/O over

Re: z/VM - Lightweight specific purpose file system

2008-03-25 Thread Dave Jones
Another possibility would be to exploit the infrastructure that the RSK provides.. DJ Alan Altmark wrote: On Tuesday, 03/25/2008 at 04:26 EDT, "Gary M. Dennis" <[EMAIL PROTECTED]> wrote: Is anyone aware of a VM open source file system port with some of the characteristics listed below.

Re: z/VM - Lightweight specific purpose file system

2008-03-25 Thread Alan Altmark
On Tuesday, 03/25/2008 at 04:26 EDT, "Gary M. Dennis" <[EMAIL PROTECTED]> wrote: > Is anyone aware of a VM open source file system port with some of the > characteristics listed below. Such a system might enable us to add the > functionality needed to support these guests without starting at zero

z/VM - Lightweight specific purpose file system

2008-03-25 Thread Gary M. Dennis
We need a lightweight file system to support z/VM i86 guest operating systems. A high speed garbage can of sorts. Is anyone aware of a VM open source file system port with some of the characteristics listed below. Such a system might enable us to add the functionality needed to support these guest