You misunderstood. We have five LPARs running on three S/390 engines. We want to create a sixth LPAR running on a dedicated IFL engine with z/VM 4.2 running Linux guests. The LPAR is up, but we don't think it's running on the IFL engine, even though we've told it it's a Linux LPAR.
"Never trust any computer you can lift." Gordon Wolfe, Ph.D. (425)865-5940 VM Technical Services, The Boeing Company > ---------- > From: Post, Mark K > Reply To: Linux on 390 Port > Sent: Tuesday, February 12, 2002 12:40 PM > To: [EMAIL PROTECTED] > Subject: Re: Using IFL processor > > Gordon, > > You cannot have both S/390 and IFL processors in the same LPAR. That is > not > supported. Or did I misunderstand what you were trying to do? > > Mark Post > > -----Original Message----- > From: Wolfe, Gordon W [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, February 12, 2002 3:29 PM > To: [EMAIL PROTECTED] > Subject: Re: Using IFL processor > > > Crossposted to Linux on 390 port list and VM/ESA list. Sorry for the > duplicates. > > About two months ago I wrote to this list asking about how to set up VM to > run on an IFL processor. > > We've finally got z/VM 4.2.0 up to where we can IPL it in a new LPAR. We > have a 9672-r36 with an IFL engine and we want to run it in the new LPAR > on > a dedicated IFL engine. > > In the HMC we've defined the LPAR to be "Linux Only" in the General tab > of > the LPAR image profile. Activating the image profile we even get a cute > little icon with a penguin on it in the list of CPC images. However, it > will not IPL if we set up the processor for the LPAR as "dedicated central > processors" on the "processor" tab of the image profile (says no > processors > are available and to free one up from the other LPARs). It -will- IPL if > we > set this up as "dedicated integrated coupling facilities processor". So > far, so good. > > However, looking at the SAM monitor shows CP0 CP1 and CP2 (our 390 > processors on this box) active, but CP3 as not active. Furthermore, if > we > start a program on the Linux/zVM420 LPAR running that chews up CPU time - > VM > in the LPAR shows 94% active - we note that CP0, CP1 and CP2 increase > their > bars in the SAM monitor and CP3 does not. If we stop the program, the > bars > return to normal. It appears that we are NOT running on the IFL engine! > > Has anyone actually gotten z/VM 4.2.0 to run on an IFL engine in a G5 > processor? If so, how did you do it? > > "Never trust any computer you can lift." > Gordon Wolfe, Ph.D. (425)865-5940 > VM Technical Services, The Boeing Company > > > ---------- > > From: Romney White > > Reply To: Linux on 390 Port > > Sent: Monday, December 17, 2001 11:12 PM > > To: [EMAIL PROTECTED] > > Subject: Re: Using IFL processor > > > > Gordon: > > > > Choose "Linux only". You might as well dedicate the processor, unless > > you want to create a test LPAR. > > > > Romney > > > > On Mon, 17 Dec 2001 15:41:40 -0800 Wolfe, Gordon W said: > > >We just recently upgraded to a G5 processor and got an IFL engine with > > the > > >other processors. Just last night I did an I/O gen with an IOCDS that > > >created a separate LPAR that will run z/VM 4.2 and will eventually have > > all > > >of our Linux servers as guests on this one z/VM LPAR. > > > > > >We have just obtained z/VM 4.2 (currently running on z/VM 3.1.0 on our > > other > > >LPARs) and so we can't test this new LPAR yet since we don't have a VM > > that > > >will IPL on it yet. We have five other LPARs that share three 390 > > >processors, but we want the Linux LPAR to use just the IFL processor. > > > > > >Since I've never done this before with an IFL processor, my question > is, > > how > > >do I tell the LPAR controls to use the IFL engine for this LPAR? When > > >creating the LPAR image profile on the HMC console, under the "General" > > tab, > > >I went into the "Mode" window and I see four choices there: > > > > > >ESA/390 > > >ESA/390 TPF > > >Coupling Facility > > >Linux Only > > > > > >Do I choose the IFL engine by selecting 'Linux Only"? I don't see any > > other > > >choice anywhere in the image profile that would indicate an IFL > > processor. > > >Is there something else I have to do? Should I dedicate this processor > > to > > >the LPAR? > > > > > >The only manual we have for the HMC is for our old G4 processor. I'd > > >appreciate any help from someone who's done this before, or perhaps > > someone > > >from IBM who's in the know. > > > > > >"Christmas is a funny season. What other time of the year do you sit > in > > >front of a dead tree and eat candy out of your socks?" > > >Gordon Wolfe, Ph.D. (425)865-5940 > > >VM Technical Services, The Boeing Company > > > > > >
