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24x7 Support. Ian Bird GDB 9 th September 2008. The following parameters define the minimum levels of service. They will be reviewed by the operational boards of the WLCG Collaboration. .

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24x7 support

24x7 Support

Ian Bird

GDB

9th September 2008

slide2

The following parameters define the minimum levels of service. They will be reviewed by the operational boards of the WLCG Collaboration.

The response times in the above table refer only to the maximum delay before action is taken to repair the problem. The mean time to repair is also a very important factor that is only covered in this table indirectly through the availability targets. All of these parameters will require an adequate level of staffing of the services, including on-call coverage outside of prime shift.

issues discussion
Issues / discussion
  • How do Tier 1s provide after hours coverage (“on-call”)?
  • Has this worked in the last few months – if not how will this be addressed?
  • How do (and should) we measure response to issues?
    • This is an MoU parameter
    • If sites reliable and experiments happy – no issue .... But ...
  • How will we manage scheduled downtimes?
    • Do we need regular scheduled maintenance?
      • Some sites propose this, others do not always need it
    • Can’t have several sites scheduled down on same day