Re: [EXTERNAL] 950K IO max on Z15 LPAR was Re: AWS is down.

2021-12-09 Thread Pommier, Rex
rosecond than I had imagined. Now, when this will make it to the real world is anybody's guess. :-) Rex -Original Message- From: IBM Mainframe Discussion List On Behalf Of Clark F. Morris Sent: Wednesday, December 8, 2021 9:18 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: [EXTERNAL] 950

Re: 950K IO max on Z15 LPAR was Re: AWS is down.

2021-12-09 Thread Seymour J Metz
-MAIN@LISTSERV.UA.EDU] on behalf of Clark F. Morris [03b2c618bdfc-dmarc-requ...@listserv.ua.edu] Sent: Wednesday, December 8, 2021 10:18 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: 950K IO max on Z15 LPAR was Re: AWS is down. On Thu, 9 Dec 2021 02:21:28 +, Seymour J Metz wrote: >Going from 5 mill

Re: 950K IO max on Z15 LPAR was Re: AWS is down.

2021-12-09 Thread Seymour J Metz
10:35 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: 950K IO max on Z15 LPAR was Re: AWS is down. I don't know about that particular benchmark, but IBM has a published z15 zHPF benchmark which does 300k+ IO/sec over a SINGLE FEx16SA channel (using multiple ports). That was published almost 2

Re: 950K IO max on Z15 LPAR was Re: AWS is down.

2021-12-09 Thread Attila Fogarasi
zHPF has finally enabled FICON to catch up to the (high) performance of the underlying fibre channel (which non-z uses), and still keep the benefits of FICON -- which are substantial. It isn't just performance. For z15 IO is ROI competitive with best of breed cloud servers, and beats them with th

Re: 950K IO max on Z15 LPAR was Re: AWS is down.

2021-12-08 Thread kekronbekron
Found it: https://www.ibm.com/support/pages/node/6355789 https://www.ibm.com/support/pages/system/files/inline-files/IBM_z15_FEx16SA_Performance_2020.pdf - KB ‐‐‐ Original Message ‐‐‐ On Thursday, December 9th, 2021 at 9:28 AM, kekronbekron <02dee3fcae33-dmarc-requ...@listserv.ua.e

Re: 950K IO max on Z15 LPAR was Re: AWS is down.

2021-12-08 Thread kekronbekron
Hi Attila, For the curious, a link to the study will be helpful. Is it in TechDocs? - KB ‐‐‐ Original Message ‐‐‐ On Thursday, December 9th, 2021 at 9:05 AM, Attila Fogarasi wrote: > I don't know about that particular benchmark, but IBM has a published z15 > > zHPF benchmark which do

Re: 950K IO max on Z15 LPAR was Re: AWS is down.

2021-12-08 Thread Attila Fogarasi
I don't know about that particular benchmark, but IBM has a published z15 zHPF benchmark which does 300k+ IO/sec over a SINGLE FEx16SA channel (using multiple ports). That was published almost 2 years ago (jan 2020). On Thu, Dec 9, 2021 at 2:18 PM Clark F. Morris < 03b2c618bdfc-dmarc-requ...@

950K IO max on Z15 LPAR was Re: AWS is down.

2021-12-08 Thread Clark F. Morris
On Thu, 9 Dec 2021 02:21:28 +, Seymour J Metz wrote: >Going from 5 milliseconds to one tenth of that is certainly quite significant, >and I have no doubt that one day we will get to the performance that BJ >claimed, but we're not there yet. When it is claimed a Z15 LPA maxes out at 950K I-