ComputingDocumentation

How to register your Grid Certificate in the LZ VO

* Using a web browser go to the LZ VOMS server 
  ==> Use your grid certificate (signature) to authenticate
* Fill in the form with all the information and click submit
* You should receive an email that tells you to confirm the submission
* A VO representative will approve your ticket only after your confirmation

How to get a Grid User Certificate

* Depending upon the university, research institution or location you have to choose the certification authority
* For USA and other parts of Noth/South America, Open Science Grid (OSG) is the certification authority
* For UK, the equivalent is GridPP
* Follow instructions given on those pages to obtain your grid user certificate

Accessing Wisconsin storage

# ssh to the login server
 ssh <login name>@login.hep.wisc.edu

# create voms-proxy
 voms-proxy-init --voms=lz  ## it will prompt password for you to type

# This will tell you that you are grid user with LZ VO
 gsido whoami  (should return something like lz00x)

# Create your user directory in
 gsido mkdir -p /hdfs/lz/user/<login name>

# Copy files from local directory to the storage area
 gsido cp <some file> /hdfs/lz/user/<login name>

# copy using OSG copy clients and storage elements
 lcg-cp /tmp/tmpfile -bvvD srmv2 srm://cmssrm2.hep.wisc.edu:8443/srm/v2/server?SFN=/hdfs/lz/user/tapas/tt
 #OR
 gfal-copy -v file:///tmp/tmpfile srm://cmssrm2.hep.wisc.edu:8443/srm/v2/server?SFN=/hdfs/lz/user/tapas/

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