Free Developer subscriptions for SUSE Linux on Arm based systems are now available

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Arm servers are here (to stay)

I’ve spent the last few weeks meeting with many customers and partners in Frankfurt at the ISC High Performance Conference, HPCast, and the GoingArm conference. We have worked with the Arm community for many years to build a 64-bit Arm server ecosystem. As a result, SUSE has delivered three releases of SUSE Linux for Arm. Now high end 64-bit Arm servers are finally coming to market.

Vendors such as Cray, HPE, Marvell, Qualcomm, and HiSilicon are working to deliver high end Arm systems for the HPC market this year. Last month, the HPE Apollo 70 became the first 64-bit Arm server to be SUSE “YES” certified. Customer are moving beyond the evaluation phase and are starting to place orders for systems. A key example of this is the recent Sandia National Lab announcement for the “Astra” HPC cluster based on HPE Apollo 70 systems running Marvell ThunderX2 Arm processors.

Meanwhile projects such as the arm Open Source Enablement Council, Catalyst UK, GW4, WorksOnArm (hosted by Packet), OpenHPC, and Linaro HPC SIG have been working to enable and validate open source software for Arm processor-based systems.

Mature 64-bit Arm systems for industrial, IoT, networking, and software defined storage workloads are becoming broadly available. These small but capable systems are delivered by ODMs (such as Gateworks) featuring Arm processors from Marvell, NXP, Rockchip, Xilinx, and others. SUSE customers are even using the Raspberry Pi Models B and B+ for industrial automation and monitoring.

Arm based systems are attractive for workloads other than HPC or IoT. Commercial applications are available for the Arm platform from vendors such as Cadence and even Microsoft.

Free developer subscription for SUSE Linux on Arm

SUSE is supporting the development of the 64-bit Arm ecosystem by expanding our free developer subscription program to include SUSE Linux Enterprise Server (SLES) for Arm.

Developers can receive a free one-year, subscription that entitles you to receive fixes and enhancements for SLES on Arm operating system. SLES for Arm runs on many popular hardware platforms including the Marvell (Cavium) ThunderX2, Qualcomm Centriq 2400, and even the Raspberry Pi 3. You can use this subscription to test, validate, and qualify your solution for SUSE Linux for Arm.

How to get started

  1. Go to the download site https://www.suse.com/subscriptions/developer/
  2. Read the information and select Arm by clicking the “Arm AArch64“ link at the top of the page
  3. You need to be logged to the SUSE Customer Center to download the media. If you do not already have a SUSE login, you can create one now.
  4. The site generates a one-year subscription key. Please copy it and save it for later. This registration key is good for both SLES 12 and SLES 15 releases.
  5. Proceed to the download page where you will find images for SLES for Arm 12 SP3. If you need a later release like SLES 15 or you want to download the SD card image for the Raspberry Pi, go to https://download.suse.com/
  6. When you install SLES for Arm, you need to use the registration key created in step #4 above to download fixes and additional packages

Where to get help

You can engage with SUSE and other developers via the SUSE forums for Arm and Raspberry Pi

Now is the right time

Customers are looking for solutions that run on 64-bit Arm platforms. Now is the time for you to start making your application available on SUSE Linux for Arm by using the free Developer Subscription for SLES for Arm (including the Raspberry Pi).

Have a lot of fun!

 

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It’s all coming together for Arm in High Performance Computing

Last_Piece_in_puzzle

Creating a new computing platform is a colossal effort. It requires a new hardware architecture, processor design, processor fabrication, system design, operating system enablement and finally, application enablement. Historically, introducing a new computing platform was only attempted by large companies with the resources to attempt all of those tasks. Even then, most new platforms fail to achieve wide-spread use.

Arm used a different approach to introduce the 64-bit Arm server platform—leveraging many different partners to deliver parts of the solution. This allows each partner to focus on the area where they have the most expertise.

With today’s announcement of the HPE Catalyst UK program, the evolution of the Arm server program reaches an inflection point—customers can actually start using the 64-bit Arm platform at scale for high performance computing workloads. This program is the culmination of many years of effort by Arm, Cavium, HPE, SUSE, and thousands of other partners and contributors.

The three supercomputer clusters delivered by the Catalyst UK program will use over 12,000 Cavium ThunderX2 Arm processors in HPE Apollo 70 systems running SUSE Linux Enterprise Server 12 for High Performance Computing (SLES 12 for HPC) and SUSE Enterprise Storage.

These supercomputers are designed to enable new scientific discoveries and enhance the competitiveness of businesses by leveraging simulation and artificial intelligence on a large scale.

SLES 12 for HPC is tailored for HPC workloads by including the HPC Module. The HPC Module consists of a number of HPC packages that are fully supported on 64-bit Arm and X86-64 hardware. It allows customers to implement HPC environments faster because these packages use the same installation and update process as any other package in SLES.

SUSE uses the Module delivery mechanism to provide new and updated open-source HPC software more quickly than would be possible through standard release delivery mechanisms.The SLES for HPC subscription includes support for the packages in the HPC Module.

The HPC Module consists of dozens of HPC relevant packages such as slurm, openblas, openmpi, and hdf5. Quarterly updates are planned to deliver additional packages in the HPC Module.  As a premier enterprise Linux distribution, SUSE contributes to the HPC open-source community through projects such as OpenHPC. In fact, SUSE Linux is the operating system used for the OpenHPC 64-bit Arm build and test infrastructure.

SUSE also provides SUSE Enterprise Storage as part of the Catalyst UK program. SUSE Enterprise Storage is powered by open-source Ceph and OPENAttic to deliver a simple-to-use software defined storage solution with near limitless scalability.

SUSE has been delivering commercially supported open-source Linux and storage solutions for the 64-bit Arm platform for almost two years, using a common code base for all SUSE supported hardware platforms. The Catalyst UK program will allow participants to fully exploit the unique characteristics of the 64-bit Arm based HPE Apollo 70 systems in a real-world HPC environment.

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A small server for big companies – New Raspberry Pi support in SLES for ARM

Raspberry_Pi_SLES_Industrial

When SUSE created a Raspberry Pi image for SUSECon in 2016, there was a tremendous amount of interest. We saw thousands of downloads in just the first few days. Many people asked, “When are you going to offer real support for the Raspberry Pi?” The answer is Now!

Increasing customer demand drove our decision to offer commercial support for the Raspberry Pi to SUSE Linux Enterprise Server for ARM (SLES for ARM). A number of large companies decided to use Raspberry Pi based monitoring solutions in their industrial manufacturing operations.

Uses for Raspberry Pi with SUSE Linux

These customers chose the Raspberry Pi for many reasons, but low cost, wide availability, and widespread familiarity with programming the Raspberry Pi topped the list. Most of these companies started out experimenting with the free Raspbian OS but wanted SLES for the actual deployment because they needed a secure, reliable, and supported operating system for their monitoring solutions.

A typical use case is an automated manufacturing operation that uses longlived capital equipment such as robotic screwdrivers. This older equipment often does not have built-in monitoring capability to send a signal when something goes wrong – they just stop. The Raspberry Pi based solution can monitor this type of industrial equipment using digital and analog I/O and can send an alert to a centralized monitoring system.

Some customers are also using the Raspberry Pi as an inexpensive shop floor computer.  Workers use a simple touch screen interface on the Raspberry Pi to flag problems with a manufacturing line such as lack of parts or machine failure.

Both of these use cases are intended to provide more granular information about industrial operations with a goal of reducing downtime and improving productivity.

We have heard of other potential uses for Raspberry Pi in commercial environments including digital signage, network monitoring, and IT monitoring as done by Malavix xymon (Malavix Partner Case Study). After this announcement, we will probably hear about many new ways to use SLES on the Raspberry Pi.

Differences from previous SUSE Raspberry Pi image

The biggest change is that we are offering support for this new Raspberry Pi SD-card image as part of SLES for ARM 12 SP3. The new image is based on SUSE Linux Enterprise Server (SLES) for ARM, so will include some fixes and enhancements from the latest SUSE Linux release.

The SUSE Engineering team has worked to reduce the size of the image. The image that was delivered for SUSECon in 2016 included developer-type packages such as compilers and debuggers. The new image focuses on providing IoT infrastructure. A number of packages have been removed to reduce the image size to around 630MB. Packages such as compilers can be installed using zypper and yast post installation and registration.

The new Raspberry Pi image is just another platform for SLES for ARM, so it uses the same update and installation channels as SLES for ARM.  This means that users of the Raspberry Pi will have access to all packages in SLES for ARM, including SDK and source files.  This also means that the free evaluation period is sixty days, just like all other SUSE Linux evaluation downloads.

The new Raspberry Pi image based on SLES 12 SP3 for ARM is available now here.

What has stayed the same

The new image boots into a lightweight graphical desktop and includes Wi-Fi enablement by default. The I/O support is generally the same as it was before, including support for HDMI, Ethernet, and the GPIO ports. Like the previous image, we do not support audio, 3D graphics, Raspberry Pi touch screen, or camera. These restrictions are documented in the Release Notes and the Quick Start Guide.

Please note that the only the Raspberry Pi 3 Model 3 is supported. The new B+ model uses different I/O chips and will not work with the current SP3 image.

Order info

It will take a few more weeks to get pricing for SLES for ARM on the commercial price list. Partners and SUSE Direct Sellers that have significant opportunities for the Raspberry Pi should contact me, (jayk@suse.com) for instructions on how to order during this period. For others, please take advantage of the free sixty-day evaluation to start working with SLES for ARM on the Raspberry Pi.

Future

This is only the first step in SLES for ARM support for the Raspberry Pi. In the future we intend to broaden the I/O support and allow for network installation of Raspberry Pi without having to use an SD-Card image. We also want to add support to other 64-bit Raspberry Pi hardware such as the Compute Module and the B+. We have received many requests for SUSE Manager support and are working to bring that to market as well.

Resources

Resource Link
Raspberry Pi 60 day Evaluation download https://bit.ly/sles4pi
SLES for Arm Raspberry Pi Quick Start Guide https://bit.ly/sles4piquickstart
User Forum https://bit.ly/sles4piforum
SUSE Customer Center https://scc.suse.com
Replay of Raspberry Pi webinar https://www.brighttalk.com/webcast/11477/311441
SLES for Arm Raspberry Pi product page https://www.suse.com/products/arm/raspberry-pi/
Raspberry Pi Foundation FAQ https://www.raspberrypi.org/help/faqs/

Summary

The introduction of Raspberry Pi support in SLES for ARM is a significant milestone for SUSE and for the Raspberry Pi. We gratefully acknowledge the assistance and encouragement of Eben Upton and his Raspberry Pi Foundation to bring this product to market.

Have a lot of fun!

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SUSE Linux now available on Nutanix Hyperconverged Infrastructure for IBM Power

Nutanix_Certified

IBM® Hyperconverged Systems powered by Nutanix are now SUSE YES Certified for SUSE Linux. These certifications are for the 1U CS821 and 2U CS822 models. These systems will combine the performance of the IBM POWER8 chip architecture and the simplicity of Nutanix management software.

These systems are certified for the little endian SLES 12 Service Pack 3 and the big endian SLES 11 Service Pack 4. IBM and Nutanix certified both releases to ensure that customers have the broadest choices of application workloads.

These certifications give you the flexibility to start leveraging the Nutanix hyperconverged management technology for existing Linux on Power workloads. The Nutanix architecture allows you to start small and to scale your Nutanix Power environment as your workloads grow.

Hyperconverged infrastructure streamlines the deployment, management and scaling of datacenter resources by combining server and storage resources with intelligent software in a managed software defined infrastructure. The goal is to create an agile datacenter that easily scales with your business.

The YES certifications are available here:

https://www.suse.com/nbswebapp/yesBulletin.jsp?bulletinNumber=146616
https://www.suse.com/nbswebapp/yesBulletin.jsp?bulletinNumber=146615
https://www.suse.com/nbswebapp/yesBulletin.jsp?bulletinNumber=146596
https://www.suse.com/nbswebapp/yesBulletin.jsp?bulletinNumber=146585

 

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SUSE Linux Live Patching for Power – A key tool for availability

SUSE_Toolpouch

All system outages are bad. They result in lost revenue, reputation damage, lost productivity and other impacts to the business. Outages of enterprise applications such as SAP HANA can have an even greater impact on a business due to the pervasive nature of those applications.  One reason you choose the IBM Power platform is the excellent hardware reliability of Power servers. Similarly, you choose SUSE Linux as the infrastructure for your SAP HANA deployments because of its track record of providing a reliable, secure computing environment.

SUSE Linux for SAP Applications includes a broad set of tools to manage unplanned software outages for SAP HANA environments, including the High Availability Extension, automated failover of SAP HANA, and specialized monitoring to detect problems before they result in an outage. SUSE also built specific features into SUSE Linux to provide higher availability for SAP HANA such as support for 512TB virtual address space size to avoid outages caused by address space fragmentation.

Unfortunately, there are some outages that are difficult to avoid. Outages are often required install patches for critical or security exposures that affect the Linux kernel. These patches must be installed to avoid potentially more severe outages. In 2017 there were more than 400 Common Vulnerabilities and Exposures (CVE) identified for the Linux Kernel. While not all of those vulnerabilities may be applicable to every environment, outages to install kernel security patches can significantly impact overall system availability.

SUSE has been a pioneer in developing technology to address this issue. SUSE first introduced SUSE Linux Enterprise Live Patching as a product in 2014. This product uses technology called kGraft, allowing you to install kernel patches with no outage. SUSE developed kGraft with the Linux Community because it does not require the system being patched to pause execution during the patch process. This gives customers great flexibility to use SUSE Live Patching to address serious vulnerabilities quickly. SAP has supported live patching since 2016.

The SUSE Live Patching process works by redirecting calls to kernel functions to a new, patched version of that function. Multiple live patches can be installed to a kernel function. SUSE recommends that customers reboot their system at least yearly.

Live Patching Diagram

SUSE can provide live patches for SUSE CVSS (Common Vulnerability Scoring System) level 6+ vulnerabilities as well as bug fixes related to system stability or data corruption. For more information on CVSS, see http://nvd.nist.gov/cvss.cfm/. It is not possible to produce a live patch for all kernel bugs.

SUSE released support for Kernel Live Patching on the IBM Power platform in January 2018 https://www.suse.com/c/live-patching-helps-deliver-nonstop-ibm-power-systems/ and requires at least SLES 12 Service Pack 2 for the ppc64le platform. Live Patching is a separate product that must be purchased in addition to SLES for SAP Applications for Power.

In summary, SUSE and IBM provide a number of tools to help you keep your SAP HANA system running smoothly and reliability on IBM Power systems. Live Patching provides an important tool for customers that need the ultimate level of availability for their SAP HANA systems.

Jay

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A new day for High Performance Computing with SUSE Linux

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SUSE has had a long and successful history of supporting High-Performance Computing, with over 50% of the Top 100 HPC systems running on SUSE Linux Enterprise Server (SLES) technology. SUSE is a Platinum sponsor for OpenHPC and SUSE Linux is the foundation for the build and test environment for OpenHPC on ARM.

High Performance Computing has gone through many changes over the past few years. Businesses are increasingly adopting HPC technology to apply sophisticated analysis techniques to business data. At the same time, we see an increased use of artificial intelligence, machine learning, and high-performance data analytics approaches in traditional HPC environments.  We also see that Spectre and Meltdown reinforces the need for maintenance and support. All of these changes drive increased customer demand for HPC solutions that are easier to deploy and support.

SUSE recently made some significant changes to our HPC offerings to address these needs.

New life cycle offering for HPC – Extended Service Pack Overlap Support (ESPOS)

HPC environments often have thousands of systems to provide the compute resources necessary for solving complex problems. One of the most challenging aspects of using HPC is managing the software stack running on the cluster. After the software stack, including the underlying operating system, is installed on all the cluster nodes, administrators are reluctant to update or change that stack. The support life of the operating system is important, particularly for systems that are subject to security compliance requirements.

SUSE releases a new Service Pack for a given SUSE Linux release (such as SLES 12) approximately every twelve months. Each Service Pack is supported for approximately 18 months. That eighteen months includes a six month overlap period between a Service Pack and the subsequent Service Pack. After that six months of overlap support, customers will not receive new fixes unless they upgrade to the later service pack or purchase Long Term Service Pack Support (LTSS).

SUSE now provides new subscriptions for HPC that include a longer support life for each SUSE Linux Service Pack. This additional support life is called Extended Service Pack Overlap Support (ESPOS). Customers who purchase the SLES for HPC subscription with ESPOS get an additional year of support, for a total of 18 months.  This gives customers more time to upgrade and can allow a customer to skip an intervening Service Pack completely. SLES 12 SP3 for HPC is the first Service Pack that can be supported for an additional 12 months via ESPOS.

In the generic example below, a customer who purchased the HPC subscription with ESPOS could stay on a Service Pack for up to three years, while continuing to be supported by SUSE.

Generic_SP_Lifecycle_with_ESPOS_Hires

Support during the ESPOS period includes telephone support and fixes for critical system and security issues.

Note that ESPOS is only available for customers purchasing a SLES for HPC  subscription. ESPOS is not available for regular SLES.

New HPC offering: Long Term Service Pack Support for HPC (LTSS for HPC)

Long Term Service Pack Support (LTSS) for HPC provides customers with telephone support and fixes for critical system and security issues for up to three years beyond the end of the normal Service Pack overlap.  LTSS for HPC can be purchased in one-year increments. The new LTSS for HPC can only be used to extend the life of a SLES for HPC subscription and customers must maintain the underlying SLES for HPC subscription in addition to the LTSS.

In summary, you can purchase these subscriptions for HPC clusters:

SLES_for_HPC_Products

SLES for HPC can be purchased for new clusters or when renewing existing clusters. Customers can convert to SLES for HPC from a standard SLES subscription at renewal. Customers must have the same subscription, such as SLES for HPC with ESPOS, for all HPC nodes in a cluster. Customers cannot mix subscriptions with ESPOS with  subscriptions that do not include ESPOS in a cluster. Similarly, customers must purchase LTSS for HPC for all nodes in the cluster.

For most HPC customers who need a longer support life, SLES for HPC with ESPOS is the most cost-effective approach because it provides up to 30 months of support for a service pack. SLES for HPC with ESPOS is less expensive than purchasing a standard 18-month subscription and adding one year of LTSS.  Customers who need more than 30 months of support can always purchase the add-on LTSS support for the final two years after ESPOS support ends.

Lower prices for SLES for HPC

HPC clusters generally consist of two types of systems: Head Nodes and Compute Nodes. Head Nodes provide the management function for the cluster and typically run tasks such as workload schedulers, input/output management, hosting shared filesystems, login nodes, cluster authentication, etc. Compute Nodes, as the name implies, only provide the processing resources needed for the HPC workloads.

The key attribute of an HPC cluster is that all the systems are focused on performing compute or I/O intensive subtasks to solve a computation task that is larger than any single system can solve.  The SUSE Terms and Conditions define which workloads and configurations are considered “HPC”.

SUSE has a single price strategy for HPC that uses the same product for both HPC Head Nodes and HPC Compute Nodes.  We believe that a simple pricing model that applies to all HPC cluster systems is easier for everyone.

HPC environments might have a thousand systems to provide the resources necessary for solving complex problems. But these clusters are more homogeneous than a random collection of a thousand systems because all of the compute nodes are running identical copies of the operating system and running subtasks of a larger workload. As a result, the support costs for HPC are lower than for general purpose systems.

Operating Systems vendors traditionally charge less for subscriptions for HPC environments due to these lower support costs and because of the sheer number of systems involved. SUSE provides HPC specific products such as SLES for HPC or SLES for HPC with ESPOS to deliver SUSE Linux for HPC environments. Because SLES for HPC has unique prerequisites and restrictions,  these products cannot be directly purchased by a customer; they must be purchased through a SUSE business partner or through a SUSE direct salesperson.

We also made significant price reductions as part of the overall changes to the SUSE HPC offering. We believe that these price reductions will encourage more organizations running HPC workloads to consider using SUSE Linux. The recent Meltdown and Spectre security issues have reinforced the need for customers to have a strong partner like SUSE that is able to respond to these kinds of problems quickly.

Enhanced product offerings for HPC partners

 Most SUSE Linux HPC clusters are delivered by SUSE hardware and solution partners. These partners often provide  Level 1 and Level 2 support to customers and only involve SUSE for problems that require our back-end engineers. In recognition of this service, SUSE now provide SLES HPC products to partners that acknowledges that SUSE only needs to provide L3 support.

New support for ARM HPC systems

SUSE has supported 64-bit Arm systems since November 2016 with the introduction of SUSE Linux Enterprise Server for Arm (SLES for Arm). Most of the early 64-bit Arm systems were unsuitable for HPC workloads. That changed in late 2017 with the introduction of ARM-based systems intended for HPC environments by HPE and Cray.

These systems, based on Arm chips such as the Cavium Thunderx2 and Qualcomm Centriq 2400, provide unique capabilities for HPC environments. SUSE had already provided general support for these system in SLES 12 SP3 for ARM in September 2016. SUSE has now recognized this new option for HPC customers by expanding the platform support for SLES 12 for HPC to include X86-64 and ARM AArch64 hardware platforms.

HPC Module continues to be enhanced

SUSE continues to deliver on our commitment to make HPC easier to implement by adding additional packages to the HPC Module. The HPC Module is intended to simplify deployment and management of HPC environments by providing a number of fully supported HPC packages to our SUSE Linux customers.

These packages were built and tested by SUSE and are provided at no additional cost with the SUSE Linux support subscription. All of the packages are open-source and many are based on packages from OpenHPC.  The HPC Module is provided for customers using X86-64 and ARM AArch64 platforms and is available to customers with SLES for HPC and SLES subscriptions.

The module structure allows SUSE to deliver additions and enhancements to HPC packages more frequently than possible via Service Packs. SUSE delivered two releases of the HPC Module in 2017 but we hope to deliver updates to the HPC Module more frequently in 2018.

HPC_Module_Nov_2017

PackageHub for HPC

Not all packages desired by HPC customers are suitable for inclusion in the HPC Module as a supported component of SUSE Linux for HPC. Examples are packages that are not broadly used or that are in an early development stage. SUSE provides easy access to those packages via PackageHub. We currently provide several packages of interest to the HPC community via PackageHub including singularity, robinhood, and clustershell.

Summary

We are confident that the changes we have made to our HPC offering enhance our ability to meet the needs of the evolving HPC community. We look forward to continuing to improve the value provided by SUSE to HPC customers and welcome your comments and feedback.

Posted in ARM Processors, High Performance Computing, SUSE Linux | Leave a comment

POWER9 is here. SUSE is ready!

POWER9_H922H924

IBM POWER9 H922 and H924

They are here! IBM announced the POWER9 servers for small enterprises, which will be available later this quarter.

IBM announced six new servers but the IBM POWER Systems H922 and H924 are of particular interest to SAP HANA customers. These two systems were designed and optimized for Linux running demanding applications like SAP HANA.

The H922 is a 2U system with up to nine PCIe slots. The H924 is a 4U system with 11 PCIe slots. Both systems will support up to 4 x 400 GB M.2 form factor NVMe devices. These systems are excellent choices for customer scale out SAP HANA workloads and provide the kind of performance and reliability customers expect from IBM and SUSE.

SUSE  already delivered POWER9 support including NVMe enablement in SUSE Linux Enterprise Server 12 Service Pack 3 (SLES 12 SP3), back in September 2017, so you don’t need to worry about getting started with SUSE on POWER9.

SUSE Linux Enterprise 12 SP3 is currently the only Linux that can run in native POWER9 mode on these new servers.

SLES 12 Service Pack 3 also included support for up to 512 TB virtual address space on Power. This ensures memory intensive applications like SAP HANA can fully use the capabilities of these new POWER9 systems.

Because SUSE has thousands of customers running SAP HANA on Power, you benefit from the experience of the market leader for SAP HANA.

SLES for SAP Applications includes many strong features that provide the reliability, performance, and ease of use that customers need when they deploy applications like SAP HANA.

We recently added a new product, Live Patching support for POWER, to provide an even higher level of reliability by allowing customers to avoid planned downtime.

You can manage all of your SUSE Linux on Power environments with SUSE Manager server, that now runs natively on POWER so there is no need to mix architectures just to manage your SAP HANA environment.

SLES_for_SAP_Diagram

We have all been waiting a long time for POWER9, and we are very happy that the latest generation of IBM Power systems will be available for our customers in just a few days.

Come talk to us about SUSE solutions for SAP HANA on Power at the IBM Think conference in Las Vegas in March!

Posted in AIX & Power Systems Blogroll, Information Technology, SAP HANA, SUSE Linux, Uncategorized | Leave a comment