Virtualization CERN openlab II quarterly review 20 September 2006 - PowerPoint PPT Presentation

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Virtualization CERN openlab II quarterly review 20 September 2006 Hvard Bjerke Community, tracking Visit to USENIX, Argonne National Labs Testing Xen paravirtualization and VT extensions new machines Montecito / VT-i Dempsey /

Virtualization CERN openlab II quarterly review 20 September 2006 Håvard Bjerke
Community, tracking � Visit to USENIX, Argonne National Labs � Testing Xen paravirtualization and VT extensions new machines � Montecito / VT-i � Dempsey / VT-x � Openlab as a virtualization hub (forum- xen@cern.ch) � SA3 (SmartFrog, Xavier) � Maintaining Howto as reference for LCG deployment and deployment of virtualized Scientific Linux CERN nodes in the community CERN openlab presentation – 2006
Community, tracking � Tracking SLC issues � Investigating networking under resource limitations (logical or policy) � Static IP addresses � IP masquerading • Does not work for all applications • Problem with hostname mapping � Port forwarding • Need to keep track of ports • Some applications (LCG) have static port numbers � Ipv6? Tunneling? Virtual networking? CERN openlab presentation – 2006
Virtualization in batch subsystems � Multiple heterogeneous virtual nodes on a single machine � Dynamic instantiation of virtual nodes � PBS: Efficient utilization of CPU resources using different distributions (SLC3, SLC4) on a single One-way SMP system. WN Execution SLC3 queue � LSF, currently testing WN [max 1 job] SLC4 Routing Client/CE queue Two-way WN Execution SLC3 queue WN [max 2 jobs] SLC4 CERN openlab presentation – 2006
Virtual Workspaces � Cooperation with Argonne National Labs � Potential candidate for managing a cluster of Virtual Machines � Strengths � Webservices API for interoperability � Provides services for both deployment and control � Weaknesses � Globus Toolkit, which Virtual Workspaces depends on, is heavy � Early development � Does not provide VM image management CERN openlab presentation – 2006
Outlook � Virtualization in LSF batch subsystem � Management tools needed � Webservices for interoperability � VM Technology agnosticity � Proof-of-concept desired, similar to Microsoft Virtualization Server � Testing of Intel Grid Programming Environment CERN openlab presentation – 2006

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