Difference: PhedexUserGuide (3 vs. 4)

Revision 42008-07-09 - ZhangXiaomei

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META TOPICPARENT name="WebHome"

Usage of CMS PhEDEx

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monitor the process of downloading

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1. push the button "show options", and choose "T2_CN_Beijing" in "Node shown", choose " % Complete (files)" in "Node values"
2. fill your dataset name in the blank before the button "filter", then push the "filter" button to search

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3. when you got the dataset you need, push the button "<<", you will get the blocks and files inside the dataset and their status in T2_CN_Beijing.
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3. when you got the dataset you need, push the button "<<", you will get the blocks and files inside the dataset and their status in T2_CN_Beijing.
 

create subscriptions for deleting datasets

You can not delete your dataset downloaded by PhEDEx directly because they are also registered in the PhEDEX and DBS. Therefore, If you delete them from SE directly, PhEDEx and DBS would think the site still has them. The correct deletion methods would be:
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  1. submit
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How to get the directory of the dataset in SE or the LFN name of the dataset

The LFN name is used to know the directory of the dataset in SE. The directory format of your dataset in SE is: srm://srm.ihep.ac.cn:8443/pnfs/ihep.ac.cn/data/cms/. There are two ways to do that. one is to use phedex, the other is to use DBS.
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How to get the directory of the dataset in SE or the LFN name of the dataset by the dataset subscription name(eg. /Zee/CSA08_CSA08_S156_v1/GEN-SIM-RECO)

The LFN name is used to know the directory of the dataset in SE. The directory format of your dataset in SE is: srm://srm.ihep.ac.cn:8443/pnfs/ihep.ac.cn/data/cms/. There are two ways to do that. one is to use phedex, the other is to use DBS.
the following is the way of phedex:
 

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1. go to the phedex web page "Data"->"Replicas";
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1. go to the phedex web page "Data"->"Replicas";
 http://cmsdoc.cern.ch/cms/aprom/phedex/prod/Data::Replicas 2. push the button "show options", and choose "T2_CN_Beijing" in "Node shown"
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3. fill your dataset name in the blank before the button "filter", then push the "filter" button to search 4. when you got the dataset you need, push the button "<<", you will get the LFN of files inside the dataset
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3. fill your dataset subscription name in the blank before the button "filter", then push the "filter" button to search 4. when you got the dataset you need, push the button "<<", you will get the LFN of files inside the dataset
the following is the way of DBS:
1. go to DBS web page:https://cmsweb.cern.ch/dbs_discovery/
2. use "the advanced key word search", and put the dataset subscriptiion name in.
3.you will get the result page, then enter "plain" page. You get the LFN name of the dataset.

 

Please feel free to give some comments.

 
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