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Multi-CE submission and Voview

Multi-CE submission and Voview. ALICE TF Meeting 23/07/09. Multi-CE submission. The next AliEn version has implemented some changes in the WMS submission module What is new? The new module is now able to submit to different local clusters from the same VOBOX

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Multi-CE submission and Voview

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  1. Multi-CEsubmission and Voview ALICE TF Meeting 23/07/09

  2. Multi-CEsubmission • The nextAliEn version has implementedsome changes in the WMS submission module • Whatis new? • The new module isnow able to submit to different local clusters from the same VOBOX • This is important for multi-cluster sites as CERN, or Lyon-T1 for example.

  3. Implementation • The submission to WMS isnowdonethrough a new module: WMS.pm • Voview information isused to query ALL CEs the number of running and waiting jobs • This wasalready in placedbefore • In addition the CEsdeclared by site are grouped in LDAP by clusters • For each cluster wetake the information of that CE publishing the max number of waiting jobs • Security check • Weredefine the default raking of the WMS includingourownranking • RANK=1 • All CEs have the sameweight • No changes to the level of jld file are needed • In addition we have added the condition: PRODUCTION to the level of WMS config file • This willavoidsubmissions to CEswhich are in maintenance

  4. Changes • Alice.confisobsolete • Local file in VOBOX is not longer used • Level of LDAP • Type = WMS (NEW) • Submitarg -> OBSOLETE • AliEN_WMS -> OBSOLETE • DEL_PROXY -> OBSOLETE • CE_RANKING=1 (NEW) • CE_LCGCE= (CE1,CE2,CE3),(CE1’,CE2’),(CE1’’,CE2’’)… • Groupednow by clusters

  5. Results • Installedat CERN during the last week for testingpurposes • Site with more large amount of CEsdistributed in 2 clusters: SLC4 and SLC5 • Afterseveralhours in production thisiswhatwesaw: • total number        : 1837 • Running             : 622 • Scheduled          : 1059 • Waiting            : 0 • Done (Failed)      : 0 • Done (Success)     : 66 • Cleared            : 0 • Aborted            : 90 • Ready              : 0 • Cancelled          : 0 • Jobs to : ce103.cern.ch        122 • Jobs to : ce104.cern.ch        105 • Jobs to : ce105.cern.ch        140 • Jobs to : ce106.cern.ch        100 • Jobs to : ce107.cern.ch        116 • Jobs to : ce108.cern.ch        101 • Jobs to : ce109.cern.ch        129 • Jobs to : ce111.cern.ch        120 • Jobs to : ce112.cern.ch        121 • Jobs to : ce114.cern.ch        109 • Jobs to : ce115.cern.ch        112 • Jobs to : ce124.cern.ch        111 • Jobs to : ce125.cern.ch        115 • Jobs to : ce126.cern.ch        103 • Jobs to : ce127.cern.ch        111 • Jobs to : ce128.cern.ch        66 • Jobs to : ce129.cern.ch        56 SLC4 cluster SLC5 cluster

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