Maxed Out

Because the System i can run at redline speed all day long . . .

September 8, 2008

PowerVM on the Rise

The last time I spoke with Ross Mauri, general manager of IBM Power Systems, he mentioned IBM's new PowerVM virtualization technology and his thoughts on what's going on with virtualization. It was a side note, really, in a conversation about the System i and IBM i financial performance and IBM's quarterly reports, but Mauri made a few points I've been wanting to share. Today, it turns out, is the day for sharing.

"One of the interesting things for the quarter," Mauri said, is that "64 percent of all orders went out with PowerVM, which is starting a significant uptrend. In past years, the virtualization technology was mostly used on the high-end systems, a little on midrange, and not below. And now we're seeing very good penetration in midrange and even down into the 550 systems. So our PowerVM story is resonating with customers and penetrating across the line."

So why do I bring this up now?

As the new Power System lineup settles down and IBM i versions become available across the line, there's a good chance that we'll have some decent sales that can help provide some trend news. Besides, in the history of all IBM name changes and name creation, I can't think of a better move than "PowerVM"--especially as the x86 virtualization world heats up as Microsoft's Hyper-V and VMWare's suite battle for mind and market share.

In addition, Mauri noted seeing some anecdotal movement. Of IBM's larger customers, "Some were into virtualization before, some had decided not to try it all . . . but now, they are all thinking through virtualization options because of both the flexibility it gives them and the better HA characteristics," he said. "I would expect that 570, 595 i clients will--there will be a major shift to a virtualized world over the next two years, and I'm watching that closely, and that's my prediction. Smaller and mid-sized customers in the mid-market . . . I think there will be a lot who will buy 520 and towers, but I also think we'll begin seeing a significant shift to blades."

No matter what the adoption rate is, if the only good that PowerVM brings to the IBM i world is the knowledge that it exists alongside other modern virtualization solutions, that's still good for i.

Posted by cmaxcer at September 8, 2008 9:30 AM

Comments

We have seen a tidal-wave of VM-Ware and virtualization in the past two years. I hope that IBM's blades have more flexibility in Disk and other peripherals.

Our management is grinding through an RFP to swap out the old iSeries computers and replace them with at least one Power model and another one for the Development Environment. I want IBM. I do not know the exact outline of what will be purchased.

--John

Posted by: John deCoville at September 8, 2008 12:37 PM

The most interesting PowerVM feature for IBM i is supporting VIOS, alongside IBM i Guest partition.

But in difference to AIX and Linux on Power, which supports a large number of open storage solutions for years in cunjunction with VIOS, IBM i supports only some IBM DSxxxx storage systems.

Why? Is this only a "not supported" or a not running restriction?

Virtualization and consolidation doesn't make sense if you can only use equipment from one manufacturer.* Most customers have an existing open storage solution. What should they do?

Why must IBM i once again fall behind the other (IBM) operating systems?


[*Note from Chris: I edited this sentence -- the original structure seemed to have a grammar problem with no easy way to clarify it. Stanley, if I misunderstood your intent, don't hesitate to holler! . . . FYI sharp readers, Stanley hollered, and the resulting edited sentence is even better -- thanks, Stanley! ]


Posted by: StanleyS at September 8, 2008 3:07 PM

I recently installed IBM i on a JS12 blade. It was a very difficult and time consuming install. Shortly after activating and using the IBM i partition on the blade, VIOS would fail, requiring VIOS to be booted from DVD (this happened like 4 or 5 times). The VIOS techs explained that the master boot record had been corrupted. After two weeks of daily tech support calls, MODS tracing of VIOS kernel memory overwrites, SNAP dumps sent to the AIX dump analyzer personnel, a patch in the form of VIOS fix IZ25182 finally corrected the problem.

What I don't understand is how any VM could allow a guest OS to trash its kernel? VIOS and PowerVM are one in the same? The fixes for my VIOS problems came from the AIX group. Nothing wrong with VIOS being the same as AIX. Can it realistically be called a VM?

PS - the BC-S, JS12 and IBM i on the blade run great. Highly recommended.

-Steve

Posted by: Steve Richter at September 12, 2008 10:07 AM

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