Timothy Prickett Morgan
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Thoroughly Modern: What’s New With PHP On IBM i?
December 7, 2020 Timothy Prickett Morgan
If you use PHP on IBM i, you’ve likely seen some recent announcements about some great changes coming to the open-source language. According to the latest blog post from Zend on PHP 8, there are a number of new functions being introduced including str_contains, str_starts_with, and str_ends_with, preg_last_error_msg and get_debug_type. In addition, the core PHP 8 engine has many new features, optimizations and improvements in the type system, error handling, and consistency. The key areas include:
- JIT Compiler
- Fatal errors on incompatible method signatures
- LSP Enforcement
- Resource “Classes”
- Assertion behavior
- XML-RPC is now in PECL
- Reflection changes
This is …
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Breathing New Life Into Your POWER7 And POWER7+ Systems
November 30, 2020 Timothy Prickett Morgan
This is a hard lesson for people to learn, but savvy IT organizations certainly do learn it – some decades ago, some only now. And that lesson is that not every application slowdown and performance bottleneck in a system is directly related to the clock speed or throughput of the central processor. While the processors are indeed central, a system is comprised of main memory, storage, and network I/O, and tuning up a machine as many times as not means bolstering these other components to help the CPU better do the job that is latent in its particular feeds and …
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Resilience In The Platform, Resilience In The Business
November 30, 2020 Timothy Prickett Morgan
The coronavirus pandemic is making it clear just how dependent much of the global economy is on mobility, entertainment, travel, and hospitality. But it is also making it clear that many parts of the economy, thanks to IT infrastructure, are resilient and are coping with the stresses and strains.
“The need to rapidly innovate has clearly become apparent,” Steve Sibley, vice president and offering manager for the Cognitive Systems division at IBM, explained in his keynote at the recent Common Europe Online vCEC 2020 event. “And we will continue to do that for AIX, IBM i and Linux,” Sibley said, …
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Why POWER8 Is Sometimes The Best Platform To Run SAP HANA
November 23, 2020 Timothy Prickett Morgan
It is a truth in this world that you get what you pay for, and it is absolutely true for the systems that companies buy to support SAP’s HANA in-memory database and their applications for data warehousing and online transaction processing.
It is no secret to the Power Systems faithful that IBM’s Power architecture has consistently offered reliability, availability, and serviceability features in both the processor and the system architecture that are superior to X86 alternatives. And the Power Systems platform also offers superior compute, memory, and I/O capacity and bandwidth benefits on top of that, which absolutely justifies the …
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IBM Reveals Power10 Rollout Plan, Begins Power11
November 23, 2020 Timothy Prickett Morgan
We have been following the development of the Power10 processor with great interest over the past few years, and have been trying to figure out precisely when – and how – Big Blue will put its future processor inside of Power Systems machines. At the Common Europe Online vCEC 2020 event last week, Steve Sibley, vice president and offering manager for the Cognitive Systems division at IBM, talked about IBM’s plan and put some rough dates on it.
When we talked to Sibley back in May, all he could tell us was that the impact of the coronavirus pandemic …
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Security Vulnerability In VIOS, AIX, And Maybe IBM i
November 23, 2020 Timothy Prickett Morgan
IBM i shops that use the Virtual I/O Server, which is a cut-down version of the AIX implementation of Unix created by Big Blue, have to be aware that there is a security vulnerability that affects recent releases of AIX and VIOS.
The vulnerability, announced in Security Vulnerability CVE-2020-4788, affects Power9 machinery running VIOS 3.1 or AIX 7.1 and AIX 7.2, and under what are called “extenuating circumstances” the vulnerability could allow a local user on the system to obtain sensitive information stored on the L1 cache on the Power9 cores.
The vulnerability was reported on November 18, and …
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Big Blue Revives IBM i 7.1 With Power9 Support
November 16, 2020 Timothy Prickett Morgan
We don’t get surprises very often in the Power Systems market, and even fewer in the IBM i sub-market. But last week, we did get a surprise – and it was a pleasant one – as Big Blue decided that it was going to allow for IBM i 7.1, which has long since been removed from marketing and which was just recently given extended extended support through April 2023, to run on selected models of the Power Systems line using Power9 processors.
That IBM would allow for this is remarkable, and it shows the economic and technical difficulties that many …
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IBM Keeps OpenShift Up To Speed On Power Systems
November 16, 2020 Timothy Prickett Morgan
For more than two years now, as we have previously reported, there have been a number of ways to bring Kubernetes container control to the Power Systems platform, including Docker Enterprise Edition, IBM Cloud Private, and Red Hat OpenShift. In the wake of the Red Hat acquisition, it is pretty clear that OpenShift will be the container environment of choice on IBM System z and Power Systems machines on premises and on these machines as well as X86 iron deployed on the IBM Cloud.
To that end, we find in announcement letter 220-439 that IBM’s Red Hat unit has …
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How Much Does NVM-Express Flash Really Boost IBM i Performance?
November 9, 2020 Timothy Prickett Morgan
With the NVM-Express protocol, a storage overlay for the PCI-Express peripheral bus that allows flash to be addressed in a parallel fashion as flash in its own right and not as emulated disk storage using a SATA or SCSI protocol, the idea is to get those vintage storage drivers out of the way and let the operating system kernel speak directly to the flash. This is done so the impressive – and seemingly always growing – I/O bandwidth of flash can actually be brought to bear to speed up applications.
Flash in general, and NVM-Express flash in particular, has been …
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You Can Save Money And Get More Performance At The Same Time
November 2, 2020 Timothy Prickett Morgan
A few weeks ago, we had a chat with John Richards, vice president of Global Asset Recovery Services, the part of IBM that sells certified pre-owned Power Systems, IBM Z and data storage, as well as parts and features, for these devices and is arguably the largest supplier of such equipment in the market. We talked very generally about the differences between the used (sometimes called second-hand) and certified pre-owned (often abbreviated to CPO) markets for Power Systems, and how this market has changed over time, but still can provide significant value to customers – and at a …
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