Difference: NotesAboutInstallationAndConfigurationOfCREAMForTORQUE (4 vs. 5)

Revision 52012-02-14 - AlessandroPaolini

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WORK IN PROGRESS Notes about Installation and Configuration of a CREAM Computing Element using an external Torque server as batch system and ARGUS as authorization method

  • These notes are provided by site admins on a best effort base as a contribution to the IGI communities and MUST not be considered as a subsitute of the Official IGI documentation.
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authorization on the batch server

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In order to allow the submission from the second CE, do the following actions:
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In order to allow the submission from the second CE, do the following actions on the "main CE / batch server":
 
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  • on the "main CE / batch server" edit the files /etc/hosts.equiv and /etc/ssh/shosts.equiv adding the FQDN on the second CE
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  • edit the files /etc/hosts.equiv and /etc/ssh/shosts.equiv adding the FQDN of the second CE
 
  • define the parameter authorized_users in the pbs server:
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  %TWISTY{ mode="div"
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showlink=" software area settings " hidelink=" software area settings "
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showlink=" import from main CE " hidelink=" import from main CE "
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software area settings

you have to import the software area from the main CE.
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import from main CE

you have to import several things from the main Cú / batvh server: gridmapdir, torque path, and the software area and tags.
 
  • Edit the file /etc/fstab by adding a line like the following:
cremino.cnaf.infn.it:/opt/exp_soft/ /opt/exp_soft/ nfs rw,defaults 0 0
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cremino.cnaf.infn.it:/etc/grid-security/gridmapdir /etc/grid-security/gridmapdir nfs rw,defaults 0 0 cremino.cnaf.infn.it:/var/torque/ /var/torque/ nfs rw,defaults 0 0 cremino.cnaf.infn.it:/opt/edg/var/info/ /opt/edg/var/info/ nfs rw,defaults 0 0
 
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Remember to create those directories if they don't exist yet
 
  • check nfs and portmap status
# service nfs status
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# df -h
Filesystem            Size  Used Avail Use% Mounted on
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/dev/sda3 65G 1.9G 59G 4% / /dev/sda1 99M 18M 76M 19% /boot tmpfs 2.0G 0 2.0G 0% /dev/shm
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/dev/mapper/VolGroup00-LogVol00 16G 2.8G 12G 19% / /dev/vda1 99M 20M 75M 21% /boot tmpfs 1006M 0 1006M 0% /dev/shm
 cremino.cnaf.infn.it:/opt/exp_soft/
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65G 4.4G 57G 8% /opt/exp_soft
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65G 4.2G 57G 7% /opt/exp_soft cremino.cnaf.infn.it:/etc/grid-security/gridmapdir 65G 4.2G 57G 7% /etc/grid-security/gridmapdir cremino.cnaf.infn.it:/var/torque/ 65G 4.2G 57G 7% /var/torque cremino.cnaf.infn.it:/opt/edg/var/info/ 65G 4.2G 57G 7% /opt/edg/var/info
 

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