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<!-- keep this as a security measure: #uncomment if the subject should only be modifiable by the listed groups # * Set ALLOWTOPICCHANGE = Main.TWikiAdminGroup,Main.CMSAdminGroup # * Set ALLOWTOPICRENAME = Main.TWikiAdminGroup,Main.CMSAdminGroup #uncomment this if you want the page only be viewable by the listed groups # * Set ALLOWTOPICVIEW = Main.TWikiAdminGroup,Main.CMSAdminGroup,Main.CMSAdminReaderGroup --> ---+ HowTo EOS Currently CERN EOS is mounted on the User Interface machines t3ui01-03: <pre> $ ls /eos home-a home-c home-e home-g home-i home-k home-m home-o home-q home-s home-u home-w home-y project home-b home-d home-f home-h home-j home-l home-n home-p home-r home-t home-v home-x home-z user </pre> to get access to your EOS data, you first need to get a CERN kerberos ticket using the =kinit= command, which will ask you for your CERN password. <pre> $ kinit cern_username@CERN.CH Password for cern_username@CERN.CH:********** </pre> You will now have a kerberos ticket allowing access to CERN services. You can list the ticket and information about it using =klist=: <pre> klist Ticket cache: FILE:/t3home/feichtinger/krb5cc_xyz Default principal: dfeich@CERN.CH Valid starting Expires Service principal 07.09.2023 17:50:39 08.09.2023 18:50:34 krbtgt/CERN.CH@CERN.CH renew until 14.09.2023 17:50:34 </pre> To mount EOS, you now just have to issue the following command <pre> $ eosfusebind -g krb5 $HOME/krb5cc_$UID </pre> Now you should be able to see your files by listing your EOS mounted dir, e.g. for me <pre> ls /eos/home-d/dfeich </pre> Please observe that EOS is not designed for high perfomance file access over the wide area network to CERN. You should not do intensive IO to EOS from the Tier-3.
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Topic revision: r5 - 2023-09-07
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DerekFeichtinger
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