April 2019 - Users - libvirt List Archives

[libvirt-users] CfP VHPC19: HPC Virtualization-Containers: Paper due May 1, 2019 (extended)
by VHPC 19 03 Apr '19

03 Apr '19

==================================================================== CALL FOR PAPERS 14th Workshop on Virtualization in High-Performance Cloud Computing (VHPC '19) held in conjunction with the International Supercomputing Conference - High Performance, June 16-20, 2019, Frankfurt, Germany. (Springer LNCS Proceedings) ==================================================================== Date: June 20, 2019 Workshop URL: http://vhpc.org Paper Submission Deadline: May 1, 2019 (extended) Springer LNCS, rolling abstract submission Abstract/Paper Submission Link: https://edas.info/newPaper.php?c=25685 Call for Papers Containers and virtualization technologies constitute key enabling factors for flexible resource management in modern data centers, and particularly in cloud environments. Cloud providers need to manage complex infrastructures in a seamless fashion to support the highly dynamic and heterogeneous workloads and hosted applications customers deploy. Similarly, HPC environments have been increasingly adopting techniques that enable flexible management of vast computing and networking resources, close to marginal provisioning cost, which is unprecedented in the history of scientific and commercial computing. Various virtualization-containerization technologies contribute to the overall picture in different ways: machine virtualization, with its capability to enable consolidation of multiple underutilized servers with heterogeneous software and operating systems (OSes), and its capability to live-migrate a fully operating virtual machine (VM) with a very short downtime, enables novel and dynamic ways to manage physical servers; OS-level virtualization (i.e., containerization), with its capability to isolate multiple user-space environments and to allow for their coexistence within the same OS kernel, promises to provide many of the advantages of machine virtualization with high levels of responsiveness and performance; lastly, unikernels provide for many virtualization benefits with a minimized OS/library surface. I/O Virtualization in turn allows physical network interfaces to take traffic from multiple VMs or containers; network virtualization, with its capability to create logical network overlays that are independent of the underlying physical topology is furthermore enabling virtualization of HPC infrastructures. Publication Accepted papers will be published in a Springer LNCS proceedings volume. Topics of Interest The VHPC program committee solicits original, high-quality submissions related to virtualization across the entire software stack with a special focus on the intersection of HPC, containers-virtualization and the cloud. Major Topics: - HPC on Containers and VMs - Containerized applications with OS-level virtualization - Lightweight applications with Unikernels - HP-as-a-Service each major topic encompassing design/architecture, management, performance management, modeling and configuration/tooling: Design / Architecture: - Containers and OS-level virtualization (LXC, Docker, rkt, Singularity, Shifter, i.a.) - Hypervisor support for heterogeneous resources (GPUs, co-processors, FPGAs, etc.) - Hypervisor extensions to mitigate side-channel attacks ([micro-]architectural timing attacks, privilege escalation) - VM & Container trust and security models - Multi-environment coupling, system software supporting in-situ analysis with HPC simulation - Cloud reliability, fault-tolerance and high-availability - Energy-efficient and power-aware virtualization - Containers inside VMs with hypervisor isolation - Virtualization support for emerging memory technologies - Lightweight/specialized operating systems in conjunction with virtual machines - Hypervisor support for heterogeneous resources (GPUs, co-processors, FPGAs, etc.) - Novel unikernels and use cases for virtualized HPC environments - ARM-based hypervisors, ARM virtualization extensions Management: - Container and VM management for HPC and cloud environments - HPC services integration, services to support HPC - Service and on-demand scheduling & resource management - Dedicated workload management with VMs or containers - Workflow coupling with VMs and containers - Unikernel, lightweight VM application management - Environments and tools for operating containerized environments (batch, orchestration) - Novel models for non-HPC workload provisioning on HPC resources Performance Measurements and Modeling: - Performance improvements for or driven by unikernels - Optimizations of virtual machine monitor platforms and hypervisors - Scalability analysis of VMs and/or containers at large scale - Performance measurement, modeling and monitoring of virtualized/cloud workloads - Virtualization in supercomputing environments, HPC clusters, HPC in the cloud Configuration / Tooling: - Tool support for unikernels: configuration/build environments, debuggers, profilers - Job scheduling/control/policy and container placement in virtualized environments - Operating MPI in containers/VMs and Unikernels - Software defined networks and network virtualization - GPU virtualization operationalization The Workshop on Virtualization in High-Performance Cloud Computing (VHPC) aims to bring together researchers and industrial practitioners facing the challenges posed by virtualization in order to foster discussion, collaboration, mutual exchange of knowledge and experience, enabling research to ultimately provide novel solutions for virtualized computing systems of tomorrow. The workshop will be one day in length, composed of 20 min paper presentations, each followed by 10 min discussion sections, plus lightning talks that are limited to 5 minutes. Presentations may be accompanied by interactive demonstrations. Important Dates May 1, 2019 - Abstract/Paper extended submission deadline (Springer LNCS) May 20, 2019 - Acceptance notification June 20th, 2019 - Workshop Day July 10th, 2019 - Camera-ready version due Chair Michael Alexander (chair), University of Vienna, Austria Anastassios Nanos (co-chair), SunLight.io, UK Andrew Younge (co-chair), Sandia National Laboratories Program committee Stergios Anastasiadis, University of Ioannina, Greece Jakob Blomer, CERN, Europe Eduardo César, Universidad Autonoma de Barcelona, Spain Taylor Childers, Argonne National Laboratory, USA Stephen Crago, USC ISI, USA Tommaso Cucinotta, St. Anna School of Advanced Studies, Italy Christoffer Dall, Columbia University, USA François Diakhaté, CEA, France Patrick Dreher, MIT, USA Kyle Hale, Northwestern University, USA Bob Killen, University of Michigan, USA Brian Kocoloski, Washington University, USA John Lange, University of Pittsburgh, USA Giuseppe Lettieri, University of Pisa, Italy Qing Liu, Oak Ridge National Laboratory, USA Nikos Parlavantzas, IRISA, France Kevin Pedretti, Sandia National Laboratories, USA Amer Qouneh, Western New England University, USA Carlos Reaño, Queen’s University Belfast, UK Borja Sotomayor, University of Chicago, USA Jonathan Sparks, Cray, USA Joe Stubbs, Texas Advanced Computing Center, USA Anata Tiwari, San Diego Supercomputer Center, USA Kurt Tutschku, Blekinge Institute of Technology, Sweden John Walters, USC ISI, USA Yasuhiro Watashiba, Osaka University, Japan Chao-Tung Yang, Tunghai University, Taiwan Na Zhang, VMware, USA Paper Submission-Publication Papers submitted to the workshop will be reviewed by at least two members of the program committee and external reviewers. Submissions should include abstract, keywords, the e-mail address of the corresponding author, and must not exceed 10 pages, including tables and figures at a main font size no smaller than 11 point. Submission of a paper should be regarded as a commitment that, should the paper be accepted, at least one of the authors will register and attend the conference to present the work. Accepted papers will be published in a Springer LNCS volume. The format must be according to the Springer LNCS Style. Initial submissions are in PDF; authors of accepted papers will be requested to provide source files. Format Guidelines: ftp://ftp.springernature.com/cs-proceeding/llncs/llncs2e.zip Abstract, Paper Submission Link: https://edas.info/newPaper.php?c=25685 Lightning Talks Lightning Talks are non-paper track, synoptical in nature and are strictly limited to 5 minutes. They can be used to gain early feedback on ongoing research, for demonstrations, to present research results, early research ideas, perspectives and positions of interest to the community. Submit abstract via the main submission link. General Information The workshop is one day in length and will be held in conjunction with the International Supercomputing Conference - High Performance (ISC) 2019, June 16-20, Frankfurt, Germany.

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[libvirt-users] Clock skew on Win10
by Alex 03 Apr '19

03 Apr '19

Hi, I'm having a problem with significant clock skew on fedora29 with qemu-system-x86-3.0.0 and ibvirt-daemon-kvm-4.7.0. This is on my desktop and appears to happen between suspends of the host each night. It appears like the time just stops while the guest is suspended, of course, but then doesn't update once the guest is resumed. I'm pretty sure time is configured correctly on the Win10 guest. It's configured to be set according to Internet time and syncs with time.windows.com. How do I troubleshoot this further?

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[libvirt-users] Error creating virtual network: failed to run '/usr/sbin/dnsmasq --version': : Success
by Harsh Gondaliya 01 Apr '19

01 Apr '19

I deleted my port virbr0 using brctl command and now when I want to create a virtual network, it gives me this error: Error creating virtual network: failed to run '/usr/sbin/dnsmasq --version': : Success Here is my systemlog: https://pastebin.com/xjuVnsyL How to rectify this?

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