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D0 Calibration Servers Deployment on Linux

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D0 Calibration Servers Deployment. on Linux. By Anil Kumar. CD/CSS/DSG. 14th April, 2004 ... Dedicated failover solution for each user and farm servers with e-mail ... – PowerPoint PPT presentation

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Title: D0 Calibration Servers Deployment on Linux


1
D0 Calibration Servers Deployment on Linux
  • By Anil Kumar
  • CD/CSS/DSG
  • 14th April, 2004

2
Stake Holders
  • DO
  • CD

3
Project Scope
  • Putting the servers into kits.
  • Working on bugs, and testing and finally
    implement on Linux node. This is first
    implementation of D0 Db servers on Linux OS.
  • Provide a capability to Support the D0 Servers on
    Linux in 247 mode by implementing automatic
    failover solution.
  • Dedicated failover solution for each user and
    farm servers with e-mail notification to admin
    and support groups.

4
Project Scope Contd -
  • Provide a capability to view the server logs on
    web for troubleshooting.
  • Train the SAM shifters to support the servers.
    Write Training instructions.
  • Web Site for the project for view logs,
    diagnostic wage and failover plan and other
    related info.
  • Procedure to stop and start one server out of set
    of servers.

5
Deployment Strategy
  • Linux servers for the reconstruction farm and
    Analysis farm (user clients).
  • A failover server box which will provide the
    required 24/7 mode of services.

6
Deployment Infrastructure
Linux PC for Analysis Farm
Linux PC for Reconstructed Farm
Sun Solaris
Linux PC
Linux PC
Failover
Failover
7
Status
  • Project completed successfully as defined.
  • Deployed the D0 Calib User and farm Servers on
    Linux Nodes. UPS/UPD the servers. Primary
    Testing before deploying.
  • Implemented a automatic failover (for 247
    Support) to Secondary node if Primary node fails
    with e-mail notification to admin group and
    responsible parties.
  • Capability to view the server logs on Web.
  • Training to Sam Shifters to support Servers in
    247 Mode
  • Instructions document for support of servers.
  • Web site for D0 calib Servers Project
  • http//d0db-prd.fnal.gov/d0dbsrv
  • CVS d0dbsrv module.

8
Status Contd -
  • April 2002 Deployment on d0dbsrv1 with failover
    on d0dbsrv2
  • Feb 2003 - Migration of Servers to Reliable ASA
    machines. Each node serving a special set of
    servers with failover to single node.
  • Feb 2004 Dedicated Failover node for user and
    farm servers.
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