Re: AW: [EXTERN]-Re: IFL usage of Linux servers

2020-10-29 Thread barton
ics. On 10/28/2020 11:29 AM, Mittelstädt, David wrote: Hi Bill, Thanks for the fast replay. I will read the infos in the given URL tomorrow. We are using SMT-2. I ran a q multithreading in z/VM and get back Activated Threads 2 for IFL Core. I'm really interested in the additional infor

Re: AW: [EXTERN]-Re: IFL usage of Linux servers

2020-10-28 Thread Bill Bitner
607-429-3286 bitn...@us.ibm.com "Making systems practical and profitable for customers through virtualization and its exploitation." - z/VM From: "Mittelstädt, David" To: LINUX-390@VM.MARIST.EDU Date: 10/28/2020 02:29 PM Subject:[EXTERNAL] AW: [EXTERN]-Re: IFL usa

AW: [EXTERN]-Re: IFL usage of Linux servers

2020-10-28 Thread Mittelstädt , David
Hi Bill, Thanks for the fast replay. I will read the infos in the given URL tomorrow. We are using SMT-2. I ran a q multithreading in z/VM and get back Activated Threads 2 for IFL Core. I'm really interested in the additional information. Thanks. Regards, David -Ursprüngliche Nach

Re: IFL usage of Linux servers

2020-10-28 Thread Bill Bitner
Hello David, An important aspect of this is whether you are running SMT-2 or not. If you are, then I recommend you read https://www.vm.ibm.com/perf/tips/smtutil.html for some background as when SMT-2 is on we have to take extra care because in that scenario the word "IFL" is ambiguo

IFL usage of Linux servers

2020-10-28 Thread Mittelstädt , David
Hi everyone, I need a little help understanding the values from the z/VM Performance Toolkit and command line tool hyptop. I want to measure the IFL utilization of a z/VM guest running linux from a z/VM or hardware perspective, e.g. linux server A consumes 2 IFL or linux server B consumes 0.5

Re: How many Intel cores does an IFL emulate

2017-11-09 Thread Phil Smith III
"zSeries" is twelve years (and at least three rebrandings*) gone, gang. Same with "pSeries". That's "IBM Z" and "IBM Power Systems" nowadays. If you're talking about specific capabilities, it's sort of important to be precise, eh? ...phsiii * zSeries=>System z=>z Systems=>IBM Z (with "zEnterpri

Re: How many Intel cores does an IFL emulate

2017-11-09 Thread Richard J Moore
y/index.html Linkedin Profile http://uk.linkedin.com/pub/richard-j-moore-fiet-fbcs-ceng-citp/4/4b1/748 Linux on 390 Port wrote on 08/11/2017 02:11:23: > From: John Campbell > To: LINUX-390@VM.MARIST.EDU > Date: 08/11/2017 02:16 > Subject: Re: How many Intel cores does an IFL emulat

Re: How many Intel cores does an IFL emulate

2017-11-09 Thread Christian Borntraeger
oup...@gmail.com > To: LINUX-390@VM.MARIST.EDU > Cc: > Date: Nov 8, 2017, 8:36:39 PM > Subject: Re: [LINUX-390] How many Intel cores does an IFL emulate > > >Come to think of it, I think an IFL is a single zSeries core. z/VM can > fake it, though that's "

Re: How many Intel cores does an IFL emulate

2017-11-08 Thread Timothy Sipples
*All* resources have cost attributes. I'm quite sure Netflix, for example, spends a huge sum on computing resources, although to my knowledge they don't have a mainframe -- at least not one of their own. (Maybe they should!) I would also point out that the world's top wealthiest people often acquir

Re: How many Intel cores does an IFL emulate

2017-11-08 Thread John Campbell
Thank you for clarifying the threadability of an IFL CP. I worked w/ a fellow who went to work in one of the labs in Vermont working on "hyperthreading" for the pSeries CPUs... I seem to recall him talking about efforts for the zSeries CPs but that seemed a long ask. -soup On Wed, N

Re: How many Intel cores does an IFL emulate

2017-11-08 Thread Jon Nolting
z/OS supports ZIIPs with SMT-2 as well. -Original Message- From: Alan Altmark [mailto:alan_altm...@us.ibm.com] Sent: Wednesday, November 8, 2017 5:52 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: How many Intel cores does an IFL emulate Thanks for advertising, Soup! :-) In fact, IFLs

Re: How many Intel cores does an IFL emulate

2017-11-08 Thread Alan Altmark
: From: soup...@gmail.com To: LINUX-390@VM.MARIST.EDU Cc: Date: Nov 8, 2017, 8:36:39 PM Subject: Re: [LINUX-390] How many Intel cores does an IFL emulate Come to think of it, I think an IFL is a single zSeries core. z/VM can fake it, though that's "overcommitting" t

Re: How many Intel cores does an IFL emulate

2017-11-08 Thread John Campbell
Come to think of it, I think an IFL is a single zSeries core. z/VM can fake it, though that's "overcommitting" the CPU resource. Despite my NOT looking at the zSeries Principles of Operation I somehow doubt the zSeries has hyperthreading... as the z/VM OS would be dispatch t

Re: How many Intel cores does an IFL emulate

2017-11-08 Thread Alan Altmark
upgrades? ;-) Eh? Processors are processors: CP, IFL, zIIP, CF, whatever. - Processor purchase: CapEx - Processor rental: OpEx - Processor recurring maintenance: OpEx - Software one-time-charge (z/VM): CapEx - OTC software recurring maintenance: OpEx - Monthly software charges (z/OS): OpEx This is why

Re: How many Intel cores does an IFL emulate

2017-11-08 Thread Philipp Kern
Hi, On 08.11.2017 16:42, Alan Altmark wrote: > On Wednesday, 11/08/2017 at 03:17 GMT, Philipp Kern > wrote: >> I idly wonder how actual utilization of IFLs looks like in the field. >> It's clear to me that CPs run hot because otherwise you're wasting >> moneys. I.e. if overcommitment is just a fa

Re: How many Intel cores does an IFL emulate

2017-11-08 Thread Alan Altmark
On Wednesday, 11/08/2017 at 03:17 GMT, Philipp Kern wrote: > I idly wonder how actual utilization of IFLs looks like in the field. > It's clear to me that CPs run hot because otherwise you're wasting > moneys. I.e. if overcommitment is just a fact of life like it is in the > cloud. I don't follo

Re: How many Intel cores does an IFL emulate

2017-11-08 Thread van Sleeuwen, Berry
Victor, As others have mentioned, it depends. I often get asked the same question and usually they want to compare one intel server/application against an IFL based solution. But without understanding the load characteristics of the application it's next to impossible to give a clear answer.

Re: How many Intel cores does an IFL emulate

2017-11-08 Thread Richard J Moore
y/index.html Linkedin Profile http://uk.linkedin.com/pub/richard-j-moore-fiet-fbcs-ceng-citp/4/4b1/748 From: John Campbell To: LINUX-390@VM.MARIST.EDU Date: 08/11/2017 02:16 Subject: Re: How many Intel cores does an IFL emulate Sent by:Linux on 390 Port GHz is GHz pri

Re: How many Intel cores does an IFL emulate

2017-11-07 Thread Timothy Sipples
John Campbell wrote: >The zSeries is AT LEAST 5 9's hardware. Philipp Kern wrote: >Does that matter in today's world? Would you avoid building for failure >when a lot of the failure comes from software anyway? Do you then host >multiple Linux VMs on the same iron to account for that? If so, why >c

Re: How many Intel cores does an IFL emulate

2017-11-07 Thread Philipp Kern
blockchain technologies use in the backgrounds. (The ones that aren't currencies but "just" ledgers.) > So, like I said above, "it depends". > > What's the workload? > > What do you need the most "heavy lifting" for? > > Mind you, if y

Re: How many Intel cores does an IFL emulate

2017-11-07 Thread John Campbell
ecification that the vendor supplied is for an intel platform. Does > anyone know is there a formula to convert intel cpu cores to IFL? > > > > Regards, > > > > Victor Echavarry > > > > System Programmer > > > > Operating Systems > > > >

Re: How many Intel cores does an IFL emulate

2017-11-07 Thread Eduardo Oliveira
:How many Intel cores does an IFL emulate Sent by:Linux on 390 Port We receive a request from a new customer for a z/Linux guest on a BC12. The specification that the vendor supplied is for an intel platform. Does anyone know is there a formula to convert intel cpu cores to IFL

Re: How many Intel cores does an IFL emulate

2017-11-07 Thread Bfishing
a formula to convert intel cpu cores to IFL? Regards, Victor Echavarry System Programmer Operating Systems EVERTEC, LLC WARNING: This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. I

Re: How many Intel cores does an IFL emulate

2017-11-07 Thread Barton
new customer for a z/Linux guest on a BC12. The > specification that the vendor supplied is for an intel platform. Does anyone > know is there a formula to convert intel cpu cores to IFL? > > Regards, > > Victor Echavarry > > System Programmer >

Re: How many Intel cores does an IFL emulate

2017-11-07 Thread John Campbell
les) IIRC most of the folks doing heavy computing-- like Bitcoin mining-- use the display adapter's GPU for the heavy lifting, which leaves the zSeries at a disadvantage. So, like I said above, "it depends". What's the workload? What do you need the most "heavy lifting&quo

How many Intel cores does an IFL emulate

2017-11-07 Thread Victor Echavarry Diaz
We receive a request from a new customer for a z/Linux guest on a BC12. The specification that the vendor supplied is for an intel platform. Does anyone know is there a formula to convert intel cpu cores to IFL? Regards, Victor Echavarry System Programmer Operating Systems EVERTEC, LLC

Re: IFL performance reference

2016-02-05 Thread Mrohs, Ray (JMD)
[mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Porowski, Ken Sent: Tuesday, February 02, 2016 10:43 AM To: LINUX-390@VM.MARIST.EDU Subject: Re: IFL performance reference LSPR, look at the uni-processor PCI/MIPs CIT | Ken Porowski | VP Mainframe Engineering | Information Technology | +1 973 740

Re: IFL performance reference

2016-02-02 Thread Porowski, Ken
eceived at this email address. -Original Message- From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Mrohs, Ray (JMD) Sent: Tuesday, February 02, 2016 10:24 AM To: LINUX-390@VM.MARIST.EDU Subject: [LINUX-390] IFL performance reference Does anyone have a chart that show

IFL performance reference

2016-02-02 Thread Mrohs, Ray (JMD)
Does anyone have a chart that shows relative performance improvements of IFL processors on a z13 compared to previous mainframes, back to z10? Thanks for any help. Ray Mrohs Lockheed Martin Corporation Service Delivery Staff Infrastructure Operations ray.mr...@usdoj.gov 202 307-6896

Re: IFL Question

2015-07-14 Thread Gentry, Steve
Are you asking if you have and IFL and IPL z/VM from it, will it use it? Yes. Are you running an existing z/VM in a non-IFL LPAR, will z/VM use it? I don't think so but IBM can be pretty tricky sometimes. -Original Message- From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.ED

Re: IFL Question

2015-07-14 Thread John McKown
On Tue, Jul 14, 2015 at 8:21 AM, Alan Altmark wrote: > On Tuesday, 07/14/2015 at 09:11 EDT, John McKown > wrote: > > > Yes, VM will automatically start using it. If you add the CPU while > VM is > > > up, then you may need to issue CP VARY ON PROC. > > > > > > > ​Interesting. It doesn't need to

Re: IFL Question

2015-07-14 Thread Walters, Gene P
Thanks Alan. -Original Message- From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Alan Altmark Sent: Tuesday, July 14, 2015 9:22 AM To: LINUX-390@VM.MARIST.EDU Subject: Re: IFL Question On Tuesday, 07/14/2015 at 09:11 EDT, John McKown wrote: > > Yes, V

Re: IFL Question

2015-07-14 Thread Alan Altmark
On Tuesday, 07/14/2015 at 09:11 EDT, John McKown wrote: > > Yes, VM will automatically start using it. If you add the CPU while VM is > > up, then you may need to issue CP VARY ON PROC. > > > > ​Interesting. It doesn't need to be pre-defined in the LPAR definition on > the HMC?​ The question

Re: IFL Question

2015-07-14 Thread John McKown
On Tue, Jul 14, 2015 at 8:02 AM, Alan Altmark wrote: > On Tuesday, 07/14/2015 at 08:45 EDT, "Walters, Gene P" > wrote: > > I know this is a broad question, but When you add an additional > IFL, does > > VM automatically start using it? Will all the Linux ins

Re: IFL Question

2015-07-14 Thread Alan Altmark
On Tuesday, 07/14/2015 at 08:45 EDT, "Walters, Gene P" wrote: > I know this is a broad question, but When you add an additional IFL, does > VM automatically start using it? Will all the Linux instances start using it? > Or does some configuration need to be done within VM

IFL Question

2015-07-14 Thread Walters, Gene P
I know this is a broad question, but When you add an additional IFL, does VM automatically start using it? Will all the Linux instances start using it? Or does some configuration need to be done within VM/Linux to make that happen? Thanks

Re: IFL vs Non-IFL processor

2015-02-20 Thread Alan Altmark
On Friday, 02/20/2015 at 04:32 EST, Carlos Bodra - Pessoal wrote: > If I IPL Linux in a z/VM mode partition (as a z/VM guest) with CP and IFL > allocated to lpar, where Linux will run??? If the guest has virtual IFLs defined as the primary CPU type then If CPU affinity is ON then

Re: IFL vs Non-IFL processor

2015-02-20 Thread Carlos Bodra - Pessoal
Alan, If I IPL Linux in a z/VM mode partition (as a z/VM guest) with CP and IFL allocated to lpar, where Linux will run??? *Carlos Bodra IBM Certified zEnterprise Sao Paulo - SP - BRAZIL* On 20/02/2015 19:09, Alan Altmark

Re: IFL vs Non-IFL processor

2015-02-20 Thread Alan Altmark
On Friday, 02/20/2015 at 01:05 EST, Steve P wrote: > I have a Suse zLinux on an system z Lpar (not under zVM). > Are there message(s) or indicators at Linux startup that tells me that I'm > running on an IFL processor? You sound like you don't trust the machine, Steve. :-)

Re: IFL vs Non-IFL processor

2015-02-20 Thread Linker Harley - hlinke
Good to know. Thanks! -Original Message- From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Mark Post Sent: Friday, February 20, 2015 2:40 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: IFL vs Non-IFL processor >>> On 2/20/2015 at 03:00 PM, Linker Harley

Re: IFL vs Non-IFL processor

2015-02-20 Thread Mark Post
>>> On 2/20/2015 at 03:00 PM, Linker Harley - hlinke wrote: > I doubt that they expose the difference between an IFL and a GP (General > Purpose) engine as an IFL, basically, is a GP engine loaded with different > microcode (to prevent the engine from being able to run z/

Re: IFL vs Non-IFL processor

2015-02-20 Thread Mark Post
>>> On 2/20/2015 at 03:12 PM, Michael MacIsaac wrote: > How about QUERY CPUS: > > # *vmcp q cpus* > CPU 00 ID FF07777777188000 (BASE)* IFL* CPUAFF ON Would be a nice trick in an LPAR. ;) Mark -- Fo

Re: IFL vs Non-IFL processor

2015-02-20 Thread Linker Harley - hlinke
I doubt that they expose the difference between an IFL and a GP (General Purpose) engine as an IFL, basically, is a GP engine loaded with different microcode (to prevent the engine from being able to run z/OS). It is a full speed engine where a GP engine can be slowed down, via microcode, to

Re: IFL vs Non-IFL processor

2015-02-20 Thread Michael MacIsaac
How about QUERY CPUS: # *vmcp q cpus* CPU 00 ID FF0777188000 (BASE)* IFL* CPUAFF ON On Fri, Feb 20, 2015 at 2:01 PM, Michael O'Reilly wrote: > > Steve, > >You might be able to tell with "hyptop" under Linux, from the "man" > pa

Re: IFL vs Non-IFL processor

2015-02-20 Thread Michael O'Reilly
quot; command line option. The calculation of the CPU data only uses CPUs of the specified types. On LPAR the following CPU types are supported: 'IFL' - Integrated Facility for Linux 'CP' - CP processor type 'UN' - Unspecifi

Re: IFL vs Non-IFL processor

2015-02-20 Thread Mark Post
>>> On 2/20/2015 at 01:26 PM, Steve P wrote: > I have installed zVm with zLinux under it on a System z Lpar with IFL > processors before. I could verify that the IFLs were being used with zvm > commands. > > With this one, I know we have an IFL that has been dedicat

Re: IFL vs Non-IFL processor

2015-02-20 Thread John McKown
On Fri, Feb 20, 2015 at 12:26 PM, Steve P wrote: > I have installed zVm with zLinux under it on a System z Lpar with IFL > processors before. I could verify that the IFLs were being used with zvm > commands. > > With this one, I know we have an IFL that has been dedicated to thi

Re: IFL vs Non-IFL processor

2015-02-20 Thread Steve P
I have installed zVm with zLinux under it on a System z Lpar with IFL processors before. I could verify that the IFLs were being used with zvm commands. With this one, I know we have an IFL that has been dedicated to this Lpar. I was just curious if there are messages or commands within the

Re: IFL vs Non-IFL processor

2015-02-20 Thread Mark Post
>>> On 2/20/2015 at 01:02 PM, Steve P wrote: > I have a Suse zLinux on an system z Lpar (not under zVM). > Are there message(s) or indicators at Linux startup that tells me that I'm > running on an IFL processor? Not that I'm aware of. I believe the only way to

IFL vs Non-IFL processor

2015-02-20 Thread Steve P
I have a Suse zLinux on an system z Lpar (not under zVM). Are there message(s) or indicators at Linux startup that tells me that I'm running on an IFL processor? Thanks, Steve -- For LINUX-390 subscribe / signoff / ar

Re: Running on CP or IFL ?

2014-07-14 Thread Pavelka, Tomas
> There are no conditions in which a CPU's type is unknown. Rather, it's a bug > in hyptop. If anyone actually tries to use this, note that the version of hyptop I was running is quite old. I did not test whether newer versions fix this behavior. ---

Re: Running on CP or IFL ?

2014-07-14 Thread Chuck Tribolet
IFL ? Sent by:Linux on 390 Port Hi Chuck - can you elaborate? When do you need such precise measurements? What are the measurements used for? Just interested if this is more of a 'test' (as in load tests) or a production implementation. Scott Rohling On Mon, Jul 14,

Re: Running on CP or IFL ?

2014-07-14 Thread Alan Altmark
may be able to find out. IBM does not publish the specifications for DIAGNOSE 0x204, as its behavior is machine-specific, but, yes, it works in an LPAR. > There is one catch that I know of, besides CP and IFL, there is also an unknown > processor type. When I run hyptop under z/VM 6.3 and

Re: Running on CP or IFL ?

2014-07-14 Thread Scott Rohling
gt; http://www.almaden.ibm.com/cs/people/triblet > > > > From: Mike Shorkend > To: LINUX-390@vm.marist.edu, > Date: 07/12/2014 03:46 PM > Subject:Re: Running on CP or IFL ? > Sent by:Linux on 390 Port > > > > Is anybody doing that? Running Li

Re: Running on CP or IFL ?

2014-07-14 Thread Chuck Tribolet
From: Mike Shorkend To: LINUX-390@vm.marist.edu, Date: 07/12/2014 03:46 PM Subject:Re: Running on CP or IFL ? Sent by:Linux on 390 Port Is anybody doing that? Running Linux natively in an LPAR? If yes, why? On 12 July 2014 01:45, Marcy Cortes wrote: > "

Re: Running on CP or IFL ?

2014-07-14 Thread Pavelka, Tomas
> There must be some way to determine. At least when using hyptop in LPAR, it > tells the number of available IFL and CP in the top line. I have looked at the source of hyptop and it reads the information from debugfs, namely from these two files: /sys/kernel/debug/s390_hypfs/diag_204

Re: Running on CP or IFL ?

2014-07-12 Thread Mike Shorkend
Is anybody doing that? Running Linux natively in an LPAR? If yes, why? On 12 July 2014 01:45, Marcy Cortes wrote: > " It can't be used natively in an LPAR." > > Who'd want to do that anyway! :) > > Marcy > > -- > For LINUX-39

Re: Running on CP or IFL ?

2014-07-11 Thread Marcy Cortes
" It can't be used natively in an LPAR." Who'd want to do that anyway! :) Marcy -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit

Re: Running on CP or IFL ?

2014-07-11 Thread Alan Altmark
On Friday, 07/11/2014 at 12:33 EDT, Marcy Cortes wrote: > I haven't read the doc, but VM65419 offers a new STHYI instruction to help with > this problem. Like the IUCV (B2F0) instruction, STHYI (B256) is z/VM-only. It can't be used natively in an LPAR. Alan Altmark Senior Managing z/VM and Lin

Re: Running on CP or IFL ?

2014-07-11 Thread Berthold Gunreben
work in a VM environment, but we still have a > problem in the LPAR environmentt. There must be some way to determine. At least when using hyptop in LPAR, it tells the number of available IFL and CP in the top line. Berthold -- -

Re: Running on CP or IFL ?

2014-07-11 Thread Mike Hammock
instances), or very indirect (different pricing for zIIPs and zAAPS), but the effect is similar. In this case the customer just said: " The license model is 'per-IFL', so we need to identify the IFL in question (and obviously determine that it *is* an IFL. If not an IFL, then our

Re: Running on CP or IFL ?

2014-07-11 Thread John McKown
urbs me. What would software (as > opposed to a licence agreement) do with explicit information about CPU > type? The capacity of an IFL is the full capacity of the process type, > without regard to model. That is, it is unaffected by the subcapacity > constraints placed on the CPs. I wo

Re: Running on CP or IFL ?

2014-07-11 Thread Chase, John
This is from a RHEL 6.3 guest of z/VM running in a z114 LPAR with one IFL and no other types of engines: #cat /proc/cpuinfo vendor_id : IBM/S390 # processors: 1 bogomips per cpu: 2049.00 features: esan3 zarch stfle msa ldisp eimm dfp etf3eh highgprs processor 0: version = FF

Re: Running on CP or IFL ?

2014-07-11 Thread Alan Altmark
On Friday, 07/11/2014 at 11:19 EDT, John McKown wrote: > I _believe_ that "primary-CPU type" means "general CP" and > "secondary-CPU types" refer to "specialty engines" such as IFL, zIIP, > and zAAP. But I cannot find any confirmation of this.

Re: Running on CP or IFL ?

2014-07-11 Thread Marcy Cortes
--Original Message- From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of John McKown Sent: Friday, July 11, 2014 9:17 AM To: LINUX-390@VM.MARIST.EDU Subject: Re: [LINUX-390] Running on CP or IFL ? On Fri, Jul 11, 2014 at 10:54 AM, Mike Hammock wrote: > Thanks John, I was tryin

Re: Running on CP or IFL ?

2014-07-11 Thread John McKown
n a > zVM - Linux environment you might be able to assume that any non-CP > processor is an IFL, but sure as anything, someone would have a reasonable > exception to that. > > Thanks, > Mike If STSI doesn't return information on non-CP engines, I have _NO_ idea where z/OS (and z/VM)

Re: Running on CP or IFL ?

2014-07-11 Thread Smith, Ann (CTO Service Delivery)
1:59 AM To: LINUX-390@VM.MARIST.EDU Subject: Re: Running on CP or IFL ? Thanks Bruce... I read descriptions of both Q V CPUs and Q PROC but obviously did a "compare and swap" or something such in writing my post. Thanks for the correction. So VMCP Q V CPUs would work in a VM environmen

Re: Running on CP or IFL ?

2014-07-11 Thread Mike Hammock
anks, Mike -- From: "Bruce Hayden" Sent: Friday, July 11, 2014 9:18 AM To: Subject: Re: Running on CP or IFL ? vmcp q proc is a privileged command, so hopefully that command isn't allowed in Linux! But 'vmcp q v cpus' is, and it s

Re: Running on CP or IFL ?

2014-07-11 Thread Mike Hammock
processor is an IFL, but sure as anything, someone would have a reasonable exception to that. Thanks, Mike -- From: "John McKown" Sent: Friday, July 11, 2014 11:17 AM To: Subject: Re: Running on CP or IFL ? I'm on a z/OS only system wi

Re: Running on CP or IFL ?

2014-07-11 Thread John McKown
e of the one or more CPUs rep- resented by the TLE. The CPU-type value specifies either a primary-CPU type or any one of the possible secondary-CPU types. I _believe_ that "primary-CPU type" means "general CP" and "secondary-CPU types" refer to "specialty engines&qu

Re: Running on CP or IFL ?

2014-07-11 Thread Bruce Hayden
not have a > good answer, so I figured I'd go to the experts on this list > > If I'm running in a zLinux system, how can I "best" determine whether I'm > running on a CP or an IFL? The purpose of this is to determine/set > licensing information so the

Running on CP or IFL ?

2014-07-11 Thread Mike Hammock
I have been asked a question by one of our zPDT users and did not have a good answer, so I figured I'd go to the experts on this list If I'm running in a zLinux system, how can I "best" determine whether I'm running on a CP or an IFL? The purpose of this is t

Re: Dedicated IFL shows 100% busy running essentially nothing

2013-08-20 Thread Richards, Robert B.
Barton, Thank you. -Original Message- From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Barton Robinson Sent: Tuesday, August 20, 2013 12:45 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: Dedicated IFL shows 100% busy running essentially nothing dedicated IFL's o

Re: Dedicated IFL shows 100% busy running essentially nothing

2013-08-20 Thread Barton Robinson
and s RMFIII Overview/CPC Summary screen) of a sandbox VM system not running any guest machines, Linux, etc. but is running with one *dedicated* IFL. Here is the question: Why does the HMC show 1% busy and the other two show 100 logical busy and 50% physical busy? The other IFL is running two VMs

Dedicated IFL shows 100% busy running essentially nothing

2013-08-20 Thread Richards, Robert B.
My VM/Linux guy came to me with a several disparate displays (a HMC Activity Display, a TMONMVS LPAR Summary screen and s RMFIII Overview/CPC Summary screen) of a sandbox VM system not running any guest machines, Linux, etc. but is running with one *dedicated* IFL. Here is the question: Why

IFL usage for DataGuard

2012-05-18 Thread Guest, Darren
Hi, We are implementing a DataGuard solution to sync data with our DR system. Does anyone have any idea how much capacity a single z10 EC IFL at the DR end (ie: the DataGuard receiving system) would be able to handle, eg: redo log rates in GB/hour? The IFL would be running Oracle 11.2.0.3.2

Re: How many virtual servers per IFL?

2010-12-08 Thread Wiggins, Mark
rvers. At times, we definitely maxed out our z/890, but this was usually due to an errant process running out of control or a large email delivery on Listserv. For the most part we hovered between 45-65% CPU with a 2.1:1 virtual:real memory ratio with 18G central and 2G expanded storage on 1 IFL. We

Re: How many virtual servers per IFL?

2010-12-08 Thread Burton, Randy
up or down over time as I add virtual servers, use up spare capacity, buy more capacity, shut down virtual servers (ok, so that really never happens) etc. So, I'm not just looking for a point in time ratio - but more of what the ratio looks like over 6 to 12 months. I also totally agree that no

Re: How many virtual servers per IFL?

2010-12-07 Thread Burton, Randy
John, I've built the cost model and justification for zLinux at BB&T and can share with you what I have. Feel free to contact me directly at rbur...@bbandt.com. I can send you some spreadsheets and other info. We have 2 z10 EC machines and 4 zVM LPARs - 1 prod LPAR on each of the z10s, 1 test

Re: How many virtual servers per IFL?

2010-12-07 Thread Mike Shorkend
ring. > > 2. Our I/O subsystem. Mainframes with ficon/FCP, can drive (per IBM > documentation) drive hundreds of thousands of I/Os per second. If you only > need a few hundred I/Os per second, well, that is within PC ranges. > > 3. Licensing is a two edge sword. Putting 5 copies o

Re: How many virtual servers per IFL?

2010-12-07 Thread Agblad Tore
v.uk] Sent: Monday, December 06, 2010 18:07 To: LINUX-390@VM.MARIST.EDU Subject: How many virtual servers per IFL? Here we go again! Without success, we've been trying to get the IT department here to adopt z/Linux since 2003! Our zVM licence has been recently cancelled, and I have just had

Re: How many virtual servers per IFL?

2010-12-06 Thread Tom Duerbusch
. Putting 5 copies of Oracle on an IFL...you only pay for one copy. However, if you have many, one copy products, you end up needing more engines on the IFL, which (if you get charged by the engine), causes those product charges to increase. 4. Disk is disk. It costs the same whether your

Re: How many virtual servers per IFL?

2010-12-06 Thread Berry van Sleeuwen
7;t need to size for the total peak load. So 10 '1 IFL' servers can run in perhaps only a 2 IFL LPAR. It also means that you can add servers without the immediate need for additional hardware. Note that the utilization is both CPU and storage. You should monitor both CPU and storag

Re: How many virtual servers per IFL?

2010-12-06 Thread Marcy Cortes
-390] How many virtual servers per IFL? If you are comparing VM and VMware, I would estimate that 1 IFL will support about the same load as 5-10 HP blades running ESX. How many virtual severs will VMware support? Depending on the workload sometimes only 1 sometimes 70 per ESX. How many will V

Re: How many virtual servers per IFL?

2010-12-06 Thread Stephen Frazier
If you are comparing VM and VMware, I would estimate that 1 IFL will support about the same load as 5-10 HP blades running ESX. How many virtual severs will VMware support? Depending on the workload sometimes only 1 sometimes 70 per ESX. How many will VM support? Between a few and a thousand per

How many virtual servers per IFL?

2010-12-06 Thread John Cousins
ation costs with VMware! One problem of trying to get a cost per virtual server was always trying to estimate how many servers an IFL will support. We had a 13 SuSe servers defined in a z800 IFL but as they were hardly used we couldn't measure a thing! So are there any rules of thumb out th

Re: z/VM; zLinux; SuSE SLES10; JAVA/64Bit; WAS 7.0 FP5; Slow Initialization of WAS with High CPU on IFL

2010-02-03 Thread Richard Gasiorowski
or government initiative expressly permitting the use of e-mail for such purpose. From: Ron Wells To: LINUX-390@vm.marist.edu Date: 02/03/2010 10:33 AM Subject: z/VM; zLinux; SuSE SLES10; JAVA/64Bit; WAS 7.0 FP5; Slow Initialization of WAS with High CPU on IFL The subject pretty much says it

Re: z/VM; zLinux; SuSE SLES10; JAVA/64Bit; WAS 7.0 FP5; Slow Initialization of WAS with High CPU on IFL

2010-02-03 Thread Gentry, Stephen
ilto:linux-...@vm.marist.edu] On Behalf Of Ron Wells Sent: Wednesday, February 03, 2010 10:32 AM To: LINUX-390@VM.MARIST.EDU Subject: z/VM; zLinux; SuSE SLES10; JAVA/64Bit; WAS 7.0 FP5; Slow Initialization of WAS with High CPU on IFL The subject pretty much says it all. When we startup/initialize WAS Version

z/VM; zLinux; SuSE SLES10; JAVA/64Bit; WAS 7.0 FP5; Slow Initialization of WAS with High CPU on IFL

2010-02-03 Thread Ron Wells
The subject pretty much says it all. When we startup/initialize WAS Version 7 the IFL goes to max CPU, the elapsed time for WAS initialization is 5 minutes to 8 minutes. This is just during WAS initialization. The application that are being built and run there appear to work fine in the

Re: z10 BC IFL price?

2008-10-23 Thread Harold Grovesteen
Been there, done that. John McKown wrote: On Tue, 21 Oct 2008, Rich Smrcina wrote: Tom Duerbusch wrote: Just wondering about the price for a second IFL. $47,500. -- Rich Smrcina Just to satisfy my curiousity. Can anybody relate the cost/performance of a z890 IFL vs. a z10BC IFL

Re: z10 BC IFL price?

2008-10-22 Thread Jim Elliott
>> Just wondering about the price for a second IFL. > $47,500. Rich: To be clear, the "list" price of an IFL (or zIIP or zAAP) on a z9 BC was $95,000 USD and now on the z10 BC they are $47,500 USD. Jim -

Re: z10 BC IFL price?

2008-10-22 Thread Mark Post
>>> On 10/22/2008 at 9:41 AM, in message <[EMAIL PROTECTED]>, John McKown <[EMAIL PROTECTED]> wrote: -snip- > Just to satisfy my curiousity. Can anybody relate the cost/performance of > a z890 IFL vs. a z10BC IFL? Something along the lines of "A z10BC IFL is 3 &

Re: z10 BC IFL price?

2008-10-22 Thread John McKown
On Tue, 21 Oct 2008, Rich Smrcina wrote: > Tom Duerbusch wrote: > > Just wondering about the price for a second IFL. > > > > $47,500. > -- > > Rich Smrcina Just to satisfy my curiousity. Can anybody relate the cost/performance of a z890 IFL vs. a z10BC IFL? Somethi

Re: z10 BC IFL price?

2008-10-21 Thread Rich Smrcina
Tom Duerbusch wrote: Just wondering about the price for a second IFL. $47,500. -- Rich Smrcina VM Assist, Inc. Phone: 414-491-6001 Ans Service: 360-715-2467 rich.smrcina at vmassist.com http://www.linkedin.com/in/richsmrcina Catch the WAVV! http://www.wavv.org WAVV 2009 - Orlando, FL

Re: z10 BC IFL price?

2008-10-21 Thread Chambers, David W.
The announcement said specialty engines are $47,000, not including ICFs. -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.mari

z10 BC IFL price?

2008-10-21 Thread Tom Duerbusch
The new z10 BC is stated at doing about 50% more workload at half the price. On the z890, the list price for an IFL was $125K. I seem to recall that the list price for an IFL on the z9 BC was somewhere around $96K (anyone know?) So, would that make the list price for an IFL on a z10 BC under

Re: zSeries IFL speed rating

2007-07-21 Thread Thomas Kern
I didn't need a full throughput benchmark, nor did I need to benchmark the I/O subsystem or the tape drives. The boss asked a specific question about the CPU power. I found a program that answered his question to his complete satisfaction. Now if he had asked for a throughput benchmark, an orchestr

Re: zSeries IFL speed rating

2007-07-21 Thread John Summerfield
upgrade our processor, just after our Performance and Capacity Planning group was disbanded. So on an idle system, this just gets into memory and runs with a high Total/Virtual CPU ratio. On my z890 IFL, 20 iterations takes about 8.571 sec virtual, 8.578 sec total and 8.944 sec elapsed time. Find a

Re: zSeries IFL speed rating

2007-07-21 Thread Jon Brock
Yeah, I'm fresh out of whatever. And I'm running a bit low on stuff, thingummies, and whatsits, too. Jon Not everyone has the time, budget, management patience, or whatever to do what is needed to get around that. -- For L

Re: zSeries IFL speed rating

2007-07-20 Thread John Schnitzler Jr
Here is good site that lists some performance guesstimates. Remember that the specialty engines run at full speed. So in the case of a z/9 EC the IFL can be compared to the engine on the model 701, on your z/900 the engine can be compared to the model 101,1C1 or 2C1 depending on your current model

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