Live Patching Archives | SUSE Communities

December 2, 2020 3:23 pm

328 views

New IBM Redpaper: SUSE and IBM Power Systems for SAP HANA

It’s now been a little over five years since IBM announced SAP-validated support for SAP HANA on IBM Power Systems. At that time (and for about 2 years), SUSE Linux Enterprise Server was the only supported operating environment and, given the pent-up interest in running SAP HANA on Power, I thought it would be […]

Categories: Digital Transformation, IBM, Run SAP Solutions, S/4HANA, SAP, SUSE Linux Enterprise Live Patching, SUSE Linux Enterprise Server for SAP Applications, SUSE Linux Enterprise Server on IBM Power Systems, SUSE Manager

By: Sabine Soellheim

September 14, 2020 1:03 pm

1,495 views

Conquering downtime is a battle on two fronts — here’s how to win

Getting towards continuous availability is about more than avoiding the sudden outages that stop your business in its tracks — you also need to tackle planned downtime. But the task is getting easier, as more organizations that rely on SAP services are now discovering. Today, more than 70% of applications are now deemed 'business-critical' and […]

Categories: Expert Views, Run SAP Solutions, S/4HANA, SAP, SUSE Linux Enterprise Server for SAP Applications, SUSE News

By: Raj Meel

September 10, 2019 5:50 pm

2,466 views

Live Patching Case Study of GESIS

You can save time and resources by using Live Patching. GESIS is one of the many organizations who achieved excellent results using SUSE Linux Enterprise Live Patching. Here we outline some of those results so you can make an assessment about how these can apply to your environment. First, let’s start with “What […]

Categories: SUSE Linux Enterprise Live Patching

By: Jared Matkin

June 7, 2018 4:58 pm

1,551 views

SUSE Ready to Heat Things Up at Cisco Live!

There are plenty of reasons to be at Cisco Live this year. Technical education, thought leadership and partner collaboration, not to mention Florida sunshine (or possibly monsoon rains), humidity, Universal Studios, and Cake (the band, not the kind you eat. Yeah, we’d forgotten about them, too). It’s all happening at […]

Categories: Alliance Partners, Run SAP Solutions

By: Nicolai Stange

May 7, 2018 1:54 pm

1,969 views

Live Patching Meltdown – SUSE Engineer’s research project (Part 4 – The Conclusion)

Now that everything has been set to go as described in Part 1 (Key technical obstacles for Live Patching Meltdown), Part 2 (Virtual address mappings and the Meltdown vulnerability) and Part 3 (Changes needed for Translation Lookaside Buffer (TLB) flushing primitives), the last missing piece is to actually replace the entry code and make it […]

Tags: kGraft, Live Patching, Meltdown

Categories: SUSE Linux Enterprise Live Patching

By: Nicolai Stange

May 4, 2018 12:20 pm

1,717 views

Live Patching Meltdown – SUSE Engineer’s research project (Part 3)

Building upon the Part 1 (Key technical obstacles for Live Patching Meltdown) and the Part 2 (Virtual address mappings and the Meltdown vulnerability), let's now address the needed changes to the TLB flushing primitives. In order to resolve virtual to physical addresses, a CPU must traverse the page table tree. This is a costly […]

Tags: kGraft, Live Patching, Meltdown

Categories: SUSE Linux Enterprise Live Patching

By: Nicolai Stange

May 3, 2018 11:59 am

1,878 views

Live Patching Meltdown – SUSE Engineer’s research project (Part 2)

Following up on the Part 1 about key technical obstacles for Live Patching Meltdown, in this blog I will give you some background on virtual address mappings in context of the Meltdown vulnerability and look at patching kGraft itself! Virtually mapped memory is a protection feature provided by the CPU, orthogonal to the privilege separation […]

Tags: kGraft, Live Patching, Meltdown

Categories: SUSE Linux Enterprise Live Patching

By: Nicolai Stange

May 2, 2018 2:37 pm

4,240 views

Live Patching Meltdown – SUSE Engineer’s research project (Part 1)

Meltdown is one of the biggest and complex security vulnerabilities that happened recently and impacted almost everyone. I am a SUSE live patching engineer and wanted to share with you how unique fixing this vulnerability was in terms of scope and complexity. My goal was to see if I could also create a live patch […]

Tags: kGraft, Live Patching, Meltdown

Categories: SUSE Linux Enterprise Live Patching

By: Michael Tabron

April 25, 2018 3:08 pm

2,029 views

SUSE Sponsors IBM Systems Technical University in Orlando

For the nearly three years that I've been at SUSE, I've had the privilege of participating in five different IBM Systems Technical University events in Europe and the US. It's always been a great opportunity not only to highlight the latest SUSE innovations available for the IBM Power platform but also to talk to IBMers, […]

Categories: Alliance Partners, Run SAP Solutions, S/4HANA, Server, SUSE Linux Enterprise Live Patching, SUSE Linux Enterprise Server for SAP Applications, SUSE Linux Enterprise Server on IBM Power Systems, SUSE Manager

By: Jeff Reser

March 5, 2018 8:41 pm

17,870 views

Toward Zero Downtime with SAP HANA and More on IBM Systems

Whether you are running business-critical systems like SAP HANA on IBM Power or managing highly transactional workloads on IBM Z, maintaining business continuity is essential in today’s nonstop business environments. Many companies around the world are looking to ensure faster response times and low maintenance overheads through high availability techniques and technologies. One […]

Categories: Software-defined Infrastructure, SUSE Linux Enterprise High Availability Extension, SUSE Linux Enterprise Server for SAP Applications, SUSE Linux Enterprise Server for z Systems and LinuxONE, SUSE Linux Enterprise Server on IBM Power Systems, SUSE News