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WELCOME TO THE Virtualization and Cloud Infrastructure WIKI

Find blogs and the SAP community discussions at Virtualization and Cloud Infrastructure Community


 
SAP and Technology Partners Update

Here you can find recent announcements around the operation of SAP applications in virtual and cloud environments.  
  • (info) SAP on Alibaba Cloud | SAP ASE supported on SLES 05/05/2018
    For more information on support of SAP applications with Alibaba Cloud, see SAP on Alibaba Cloud.
  • (info) SAP on Hyper-V | Windows Server 2016 Hyper-V Supported Now 05/04/2018
    For more information on support of SAP applications on Hyper-V on Windows Server 2016, see SAP Note 1409608.

  • (info) Open Telekom Cloud | New IaaS Infrastructure Provider Supported 04/14/2018
    For more information on support of SAP applications on Linux with the Open Telekom Cloud, see the related SAP Notes.

  • (info) Huawei Cloud | New IaaS Infrastructure Provider Supported 04/14/2018
    For more information on support of SAP applications on Linux with Huawei Cloud, see the related SAP Notes.

  • (info) SAP on Alibaba Cloud | NetWeaver based Applications supported 12/18/2017
    For more information on support of SAP applications with Alibaba Cloud, see SAP on Alibaba Cloud.
  • (info) SAP on Azure | Alternative for Cluster Shared Disk Available 11/17/2017
    File Server with SOFS and S2D as an Alternative to Cluster Shared Disk for Clustering of an SAP (A)SCS Instance in Azure is Generally Available. For details, see this blog.
  • (info)  IBM Cloud | now Supported with VMware ESXi virtualization technology 10/13/2017
     For more information on support of VMware ESXi with the IBM Cloud infrastructure, see SAP Note 2414097.
  • (info) IBM Cloud | Windows Guest OS and Microsoft SQL Server now Supported 10/13/2017  
     For more information on support of SAP applications with the IBM Cloud infrastructure, see SAP on IBM Cloud Infrastructure.
  • (info) SAP on Oracle Cloud | SAP NetWeaver now certified on Oracle Cloud Infrastructure 10/11/2017
    For details on the support of the Oracle database with Oracle Linux on the Oracle Cloud Infrastructure, see SAP Note 2474949.

  • (info) SAP on Azure | Premium Managed disks supported 06/27/2017
    For details, see SAP Note 1928533.

  • (info) SAP on GCP | SAP NetWeaver now supported on Google Cloud Platform! 05/18/2017
    For details, see SAP on Google Cloud Platform.

  • (info) SAP on Azure | Recent Announcements at SAPphire 05/16/2017
    For Jason Zander's blog on recent announcements around SAP on Azure, see https://azure.microsoft.com/de-de/blog/the-best-public-cloud-for-sap-workloads-gets-more-powerful/.

  • (info) New Performance Guidelines for Windows Server 2016 and Hyper-V 05/09/2017
    For access to the new Microsoft guide, see https://blogs.sap.com/2017/05/06/performance-tuning-guidelines-for-windows-server-2016-hyper-v/.

  • (info) SAP on Azure | New Customer Story 03/26/2017
    For a new blog on moving a customer landscape to Microsoft Azure, see Large Australian Energy Company Modernizes SAP Applications Moves to Azure Public Cloud.

  • (info) SAP on Azure | New Information Channel with Channel 9 03/26/2017
    For videos on SAP on Azure, see SAP on Channel 9.

  • (info) Microsoft SQL Server on VMware vSphere | Updated Best Practices Guide, March 2017 03/22/2017
    For guidance on best practices for vSphere 6.5, see SQL Server on VMware Best Practices Guide.

  • (info) IBM Cloud | New IaaS Infrastructure Provider Supported 03/20/2017
    For more information on support of SAP applications on Linux with the IBM Cloud infrastructure, see SAP on IBM Cloud Infrastructure.

  • (info) Windows Server 2016 | Supported as Guest OS in Virtual Environments 02/22/2017
    For more information on SAP Support of Windows Server 2016 in virtual and cloud environments, see this blog.

  • (info) VMware vSphere | New Best Practices on SAP HANA 01/20/2017
    For the new Architecture Guidelines and SAP Best Practices for Deployments of SAP HANA on VMware vSphere, see this whitepaper.

  • (info) Microsoft Azure | ARM support added for Windows guest 12/10/2016
    SAP supports deploying VMs using the Azure Resource Manager for Linux and Windows guest operating systems. For more information, see this blog.

  • (info) Microsoft Azure | New Articles on Overview and Architecture of SAP HANA on Azure (Large Instances) 12/01/2016
    For the five-part architecture and technical deployment guide, see this article.

  • (info) VMware vSphere | vSphere 6.5 Supported 12/09/2016
    For information related to SAP HANA, check SAP note 2393917. For all other applications, see SAP Note 1409608  on Windows  and 1122387  on Linux.
  • (info) Microsoft Azure | Top 14 Experiences 12/10/2016
    A new Microsoft blog sharing the TOP 14 experiences and new technologies when moving SAP landscapes to Microsoft Azure. For details, check here.

     

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Known SAP Support Issues

Here you can find a collection of recent support issues when operating SAP applications in virtual environments.
SAP on VMware vSphere
  • (warning) VMware Tools Version 10.3.0 Recall and Workaround Recommendations. 09/17/2018
    VMware has been made aware of issues in some vSphere ESXi 6.5 configurations with the VMXNET3 network driver for Windows that was released with VMware Tools 10.3.0. As a result, VMware has recalled the VMware Tools 10.3.0 release. This release has been removed from the VMware Downloads page. VMware KB (57796).

  • (warning) Speculative-Execution Vulnerability CVE-2018-3646 08/14/2018
    Intel published details on a new class of CPU speculative-execution vulnerabilities known as “L1 Terminal Fault”. To get all available protections and links to our partner’s mitigation strategy, follow SAP Note 2680466.

  • (warning) Windows Server 2008 (R2) vNIC incompabilities 03/17/2018

  • The Security Updates KB4088875 and KB4088878 for Windows Server 2008 (R2) have incompatibility issues with VMs running on VMware vSphere. These patches replace the existing virtual network card (vNIC) with a new one, hide the pre-existing vNIC and do not persist or transfer the existing IP Address configuration to the new vNIC. For details, check this blog.

  •  (warning) Meltdown and Spectre Vulnerabilities 01/05/2018
    Like most other vendors, also VMware has released patches for the recently identified vulnerabilities in microprocessors, code named Spectre (CVE-2017-5753, CVE-2017-5715) and Meltdown (CVE-2017-5754).
    Please see VMware Advisory page https://www.vmware.com/us/security/advisories/VMSA-2018-0002.html for further instructions in particular to the Spectre vulnerability, whereas the following blog confirms that ESXi and related VMware products are not affected by Meltdown vulnerability: https://blogs.vmware.com/security/2018/01/vmsa-2018-0002.html.

  • (warning) Applications fail to start when using Open VMware Tools with SLES and RHEL 07/10/2017
    If you use the Open VMware tools and your applications which depend on VMware APIs fail to start, check SAP Note 2501545.

  • (warning) Incompatibility Issues may lead to performance degradation on Windows 03/28/2017
    If you use Windows Server 2012, 2012 R2 or 2016 guests and you experience an increased rate of “Received Dropped Packets”, check this blog.

  • (warning) VMware FT 6.0 may lead to increased network latency 11/23/2016
    If you use FT 6.0 (with more than one vCPU) and you experience high latency and low throughput, check this blog.

  • (warning) VMware Virtual Machines hanging with VMware ESXi 5.5 p08 and p09   01/16/2017 Updated
     
    After upgrading or installing VMware ESXi 5.5 p08 or p09, you encounter unpredictable hangs, stops or moves and crashes of virtual machines. The issue has been solved with ESXI 5.5 p10. For details, check this blog.

  • (warning) VMware NSX for vSphere 6.2.x with ESXi 6.0 P03 10/14/2016
    Due to a known issue affecting VMware NSX for vSphere 6.2.x with ESXi 6.0 P03 (Build 4192238) we recommend to consult VMware support before upgrading to the affected combination of products. See VMware KB 2146873 for further information.

  • (warning) VMware ESXi 5.5 and 6.0: VMs unresponsive after vMotion   10/12/2016  
    VMs configured with large virtual hardware resources and memory-intensive workloads might become temporary unresponsive after vMotion. Read VMware KB 2144984 and configure your host accordingly.
  • (warning) Windows Server 2008 R2 SP1 in combination with VMs with VMXNet3 09/02/2016
    The “Convenience Update” patch for Windows Server 2008 R2 SP1 has incompatibility issues with VMs running on VMware vSphere. This incompatibility impacts VMs that use the VMware VMXNet3 virtual network adapter type. For a solution of this issue, check Microsoft KB 3125574.
  • (warning)  VMware vSphere 6: Performance Degradation due to High Network Latency     08/09/2016    
    You are using VMware vSphere 6.0. After changing the virtual machine hardware version to 11, you experience performance degradation of different intensity in network dependent workloads (this includes database access). Every network packet has up to a 0.5 second delay over the expected arrival in the application. Check  SAP Note 2293740  for further information.

  • (warning) VMware ESXi 5.5U3 and 6.0: Unpredictable Hangs, Stops, Moves, Crashes of VMs 02/02/2016
    After upgrading or installing VMware ESXi 5.5 Update 3 and VMware ESXi 6.0, you encounter unpredictable hangs, stops or moves and crashes of virtual machines. Check SAP Note 2237937 for further information.

  • (warning) VMware vSphere 6: Possible Data Corruption 10/14/2015
    Backing up a virtual machine with Changed Block Tracking (CBT) enabled fails after upgrading to or installing VMware ESXi 6.0. If you attempt this, you might encounter issues such as:

    • Database running inside VM becomes corrupted

    • Powering on the virtual machines fails

    • Expanding the size of a virtual disk fails

    • Taking virtual machine quiesced snapshots fails.

      Check SAP Note 2229228 for further information.

  • (warning) VMware ESXI 5.1 and 5.5: VMs Freezing 08/11/2015
    We have lately seen some issues with VMs freezing intermittently under heavy I/O load. We strongly recommend to read VMware KB 2088157 and to proactively apply the recommended vSphere patch available for your version.

     
SAP on Microsoft Hyper-V
  • (warning) Speculative-Execution Vulnerability CVE-2018-3646 08/14/2018
    Intel published details on a new class of CPU speculative-execution vulnerabilities known as “L1 Terminal Fault”. To get all available protections and links to our partner’s mitigation strategy, follow SAP Note 2680466.

  • (warning) Windows Server 2012 R2 Hyper-V: Performance degradation 04/28/2016
    If you encounter high performance degradation when running CPU intensive operations, check this blog.

SAP on Windows in Virtual Environments
  • (warning)  Windows Server 2008 R2 SP1 Guest OS Causing Network Issues      09/02/2016
    A new Ethernet virtual Network Interface Card (vNIC) may be created with default settings in place of the previously existing vNIC, causing network issues. Any custom settings on the previous vNIC are still persisted in the registry but unused. For details and solutions, see Microsoft KB 3125574.
  • (warning) SAP kernel release 7.45 on Windows Server 2008 & Current Processor Generations 06/23/2016
    If your SAP executables crash on an irregular base, check Known Issue with Windows Server 2008 on Current Processor Generations .

     

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