Re: vHMC -- MIDRANGE-L

Absolutely I do. It’s on the edge of stupid. I’m reacting to the
suggestion below to use an atom unit to serve as the HMC.

Having an intel box running the vHMC and getting its power from the system
requires the same auto power on when power is restored anyway. So why go to
all of the falderal of cobbling up Rube Goldberg contraption if you are
going to rely on the automatic power on anyway?

Never on any of my production servers. (Test servers either for that
matter).

On Tue, Aug 13, 2019 at 3:11 PM Rob Berendt <rob@xxxxxxxxx> wrote:

You do realize that an autostart partition buys you next to nothing,
right? Since it cannot be the HMC for the server it is on? Maybe in this
scenario:
PowersystemA has lpar vHMCA. This acts as the HMC for PowersystemB
PowersystemB has lpar vHMCB. This acts as the HMC for PowersystemA.

Rob Berendt
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-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Jim
Oberholtzer
Sent: Tuesday, August 13, 2019 4:01 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: vHMC

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Ok so how do you power on the system when the vHMC is getting it’s power
from the system?

I know the FSP will power up with almost any power to the power supplies
but nothing else gets power unto the system unit is powered on.

Sounds too Rube Goldberg for me. I guess it’s just to easy to get an
external HMC or use a separate ESX server. Or if you’re going to do that
just make it an auto start partition and pray when the power is applied.

On Tue, Aug 13, 2019 at 2:03 PM Yvan Janssens <friedkiwi@xxxxxxxx> wrote:

Diego,

Depending on how many machines you're managing, you can also opt for
one of the Pentium/Atom-based models. These work on 12V and are small
enough to fit in the space in an E4D where the half height PCIe
expansion fits. If you then remove the bracket to pass the ethernet
cable through and into the HMC port, and a USB->Serial adapter for the
HMC serial port, you'll end up having a nice self-contained solution.
Depending on your level of courage, the optical drive is an easily
accessible source of 12V with enough power budget to power one of those

NUCs.

/y

-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
Diego Kesselman
Sent: 13 August 2019 13:15
To: Midrange Systems Technical Discussion
<midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: vHMC

Pete,

We use an Intel NUC with CoreI5 (Dual Core) , 8GB and SSD, and it's fast.
It's fast even if with add 4GB with 2vCPUs with 50% usage.

The key is SSD.

Diego Kesselman

El lun., 12 de agosto de 2019 19:33, Pete Helgren <pete@xxxxxxxxxx>
escribió:

Hmmm...I know I didn't pay for a virtual HMC but I have 4 products
that seem to be vHMC related (and I have installed the vHMC for x86).
5765-HMA, 5765-HMB, 5765-HMV, and 5765-HMW are all listed and
available in ESS. Maybe they are part of the developer discount
program but I would think they would be listed on my order with a
$0.00 cost (as other items are) if they were part of the DD program...

vHMC is pretty cool. A little slow (16GB RAM on the VM) and I don't
really have anything to compare it to but I am glad to have it.

Pete Helgren
www.petesworkshop.com
GIAC Secure Software Programmer-Java Twitter - Sys_i_Geek
IBM_i_Geek

On 8/12/2019 7:40 AM, Rob Berendt wrote:

This is a good document regarding the vHMC:
https://www-01.ibm.com/support/docview.wss?uid=nas8N1020969

Some of the more important (to me anyway) Q&A stuff:

Q: Are existing HMC customers entitled to vHMC?
A: No. vHMC is a separate offering and must be purchased separately.

There is no conversion and no upgrade offering.

Q: Can x86 based vHMC licenses (5765-HMV) be converted to POWER
vHMC

(5765-HMA )?

A: No. They are two different offerings.
R: Apparently you don't want to "try" one and then go to the other.

Q: What restrictions are unique to vHMC on POWER?
A:
- POWER vHMC cannot manage the server it is is hosted on.
This implies the hosting POWER server must be managed by Novalink
or

another HMC instance. IVM managed servers are not supported.

- The HMC Virtual Appliance for PowerVM does not provide graphics

adapter support for adapters assigned to the partition. "Local console"
access is limited to command line only.

...

How to download, etc is covered at that link.

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