The UCLA Grid Portal (UGP) and the University of California Grid - - PowerPoint PPT Presentation

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The UCLA Grid Portal (UGP) and the University of California Grid - - PowerPoint PPT Presentation

The UCLA Grid Portal (UGP) and the University of California Grid (UC Grid) Joan Slottow, Prakashan Korambath, Kejian Jin UCLA Academic Technology Services 1 The University of California UC Office of the President (UCOP) 10 autonomous


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The UCLA Grid Portal (UGP) and the University of California Grid (UC Grid)

Joan Slottow, Prakashan Korambath, Kejian Jin UCLA Academic Technology Services

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The University of California

  • UC Office of the President (UCOP)
  • 10 autonomous campuses
  • Medical Centers
  • Lawrence Berkeley National Laboratory

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UC-Wide IT Policy and Planning

  • IT Leadership Council (ITLC)

– UC-wide IT Governing Body – Membership = CIOs and IT leaders from UC entities. – Strategic planning and priorities

  • IT Guidance Committee (ITGC) charged

with recommending strategic directions to guide IT investments

– Issued Report December 2007

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ITGC Report

  • IT infrastructure is critical

– UC Grid is a key enabling technology

  • Scalable data center services
  • Sustainable funding models
  • Collaboration
  • Networking (CENIC)

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UC must operate as one and leverage the strengths of the 10 campuses

  • NEED Multi-campus initiatives and

coordination

  • UC Grid has to be implemented in

collaboration at the campus level

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Grid

  • Multiple, independent, geographically

dispersed compute resources -- networked together -- used cooperatively

  • Autonomous units under local control
  • Named after the electricity grid

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UC Grid

  • Started at UCLA and currently

implemented at UCLA, UCOP, UCSB, and UCI

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UCLA Grid Portal (UGP)

  • Joins computational clusters into a Grid.
  • Under development at UCLA since 2002.
  • Built on top of open source components.
  • A Globus Incubator Project

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Motivation

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1 Hoffman Cluster Hosted Cluster1 Hosted Cluster2 Hosted Cluster3 Hosted Cluster4 Hosted Cluster5 Professor 1’s Cluster Professor 2’s Cluster Professor3’s Cluster Professor4’s Cluster Professor5’s Cluster MAC OS Myrinet InfiniBand

???

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Motivation

  • Common interface
  • Single sign-on
  • Work with/see all resources at once
  • Transfer files
  • Portal makes it easy for users to use

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Head node

Cluster II

Head node

Cluster I

ION Visualization Server Storage Server MyProxy Server Grid Portal Grid Appliance Credential mapped to local ID Credential mapped to local ID Grid Appliance https Uniform browser based interface

Single Campus Architecture

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UC Grid Architecture

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UC Grid Portal

UCLA Grid Portal

  • thers

C1 C2 C3 C4 C5 C6 …… …

  • User always applies from Campus Portal
  • One Certificate Authority(CA) throughout UC Grid
  • User CA is automatically created and pushed to myproxy server
  • Simple account creation process (approval/denial workflow)
  • Once the admin approves, the user is able to login to two portals instantly
  • Enabled by Register Web Service and Sync Web Service in UC Grid Portal

… …

UCSB Grid Portal UCI Grid Portal

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The UC Grid Portal

  • Each user of a Campus Grid is

automatically able to use the UC Grid Portal

  • From the UC Grid Portal, users can:

– work with clusters from all the campuses – transfer files across the campuses. – Use pooled resources across the campuses.

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UGP Services

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Resource Discovery

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Data Manager

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File Transfer

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Visualization

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Batch Jobs

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Batch Jobs

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2 1 Applications and pool Jobs

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Pool Job Submission

  • A way to share/use unused cycles.
  • UGP:

– Chooses the target cluster for the job. – Submits the job to run under a guest login id there. – Stages the input files.

  • UGP sends jobs to local scheduler.

Decision for sharing resources made by the cluster owner.

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Application Input Forms

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Data Manager and Batch Jobs to Other Grids

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Interactive GUI Applications

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Xterm

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UC System Wide Mandate

  • The CIOs of the campuses have agreed

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Has to be Carried Out on each

  • f the 10 Campuses
  • Implementation/maintenance/development has

to happen on each of 10 campuses

  • People doing the work need:

– a connection with the researchers – time to do the work – resources

  • ATS at UCLA has the leadership role.

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Campus have very Distributed Research IT Infrastructures

  • Individual researchers acquire and

maintain their own HPC resources.

  • Most campuses do not have:

– central research computing organizations – HPC facilities/resources for the campus

  • This is not sustainable
  • Required:

– Data centers, HP Networks, support staffs

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  • UCLA is unique in that it has ATS

– Emphasis on research computing

  • HPC, Scientific Visualization, Statistics
  • Close relationship with researchers

– Started as the campus computer center, but:

  • Remained throughout the era of decentralization
  • Was on the forefront of: cluster building, cluster

hosting, grid

  • Has the ability to effect changes
  • UGP Development

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Who to work with on the Campuses

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UC Grid Implementers

  • Monthly Meetings (Skype, ichat, VNC)
  • Discussion/Mailing List
  • ATS Provides Support for implementers

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The UC Grid Provides for the Sharing of System-wide Resources

  • The majority of campuses are planning

data center expansions

  • Research computing needs are growing
  • The grid provides a way to use virtual

(networked) resources no matter where they are.

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January 2008 -- UCLA -> Shared Cluster Hosting Model

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3 4 New Hoffman2 Cluster

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Motivation for the Shared Cluster Hosting Model

  • Manpower to administer multiple hosted

clusters >> to administer 1 cluster

  • > 50% cycles are idle
  • Power use by idle clusters is not

significantly lower than for full operation

  • The ability for others to use your idle

cycles is the price you pay to join the shared cluster

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The UCLA Shared Cluster Model scales to the UC

  • Cost of data center space/location
  • Cost of electricity/location
  • Redundant and wasted capacity
  • Great need

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Sharing must be attractive to the resource

  • wners. Only they can make the decision to

share.

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February 2008 -- UC Research Cyberinfrastructure Pilot -- Draft Document

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Phase I:

Provide computing resources via two moderate institutional clusters housed at LBNL and SDSC Network-based services via UC Grid

Phase II:

Expand and develop

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Learn more about UGP

  • UGP documentation, download and wiki

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http://www.ucgrid.org