Site and Networking Commissioning Appendix specific to Lyon visit
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Transcript of Site and Networking Commissioning Appendix specific to Lyon visit
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Commissioning/Facilities Issues LYON November , 2007 1
Site and Networking Commissioning
Appendix specific to Lyon visit
Stefano BelforteDaniele BonacorsiFrank Wuerthwein
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November , 2007Commissioning/Facilities Issues LYON 2
SiteDB : Lyon
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November , 2007Commissioning/Facilities Issues LYON 3
SiteDB : GRIF
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November , 2007Commissioning/Facilities Issues LYON 4
SiteDB: Belgium
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November , 2007Commissioning/Facilities Issues LYON 5
SiteDB : Beijing
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November , 2007Commissioning/Facilities Issues LYON 6
Site DB : IN2P3 – T2
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November , 2007Commissioning/Facilities Issues LYON 7
Schedule/Communication Issues
GRIF Do we need to know the GRIF sub-cluster structure ? Talk with specific site managers ?
Beijing What does association mean here ? WAN endpoint or
integration/support ? What are plans/schedule for visible activity ?
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November , 2007Commissioning/Facilities Issues LYON 8
Issues/concerns from DDT and LT
GRIF We have some indication of mismatch between the
resources made available by various GRIF subclusters and the expectation from CMS for (even a ) small T2
Network, Storage, CPU Is this so ? Do we need a dedicated discussion ? Meeting ? How much is this relevant in view of a future uniform
storage element for GRIF sites ?
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November , 2007Commissioning/Facilities Issues LYON 9
SAM for CMS
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November , 2007Commissioning/Facilities Issues LYON 10
SAM issues
No specific issue
But sites do not seem to take this seriously They fail and take no action An action can also be a complain, or a question
Would you rather wait for users to complain ?
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November , 2007Commissioning/Facilities Issues LYON 11
Job Robot Issues
Seems the exercise was useful for GRIF Would you agree ? When analysis at GRIF ?
Why so much difference between the two Belgian sites ? Both for JR and analysis
Be-ULB-UVB
GRIFBe-UCL
In2P3-CC
In2P3-CC–T2
Analysis jobs in last months
http://tinyurl.com/222xcj
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November , 2007Commissioning/Facilities Issues LYON 12
Storage issues
GRIF Single storage vs. 4 small buffers
IN2P3 How will users send jobs to T2 rather then T1 ? Does it matter ? (both CE matches requirements)