View source for ARC-CE

ARC-CE/HT-Condor : Installation, Configuration Recipes

== Installation ==

=== Requirements ===
* NTP
* Local accounts or NIS (ypbind)
* Host certificate for the ARC-CE

=== HT-Condor ===
* Install HT-Condor and configure the ARC-CE as a HT-Condor ''submitter''
* Add firewall rule to allow condor communications
  firewall-cmd  --permanent --zone=public --add-port=9618/tcp

* Test HT-Condor submitter

=== ARC-CE ===
* Configure repositories
* Install ARC-CE
* Add firewall rules for ARC-CE

== Configuration ==

=== ARC-CE configuration file ===

=== Configuration LCMAPS/LCAS (mapping) ===

== Start(Stop) ARC-CE services ==

=== Start the gridftp service ===

 systemctl start gridftpd.service

=== Start ARC-CE service (a-rex) ===

 systemctl start a-rex

=== Start Information service (BDII/LDAP) ===

 systemctl restart nordugrid-arc-ldap-infosys.service

== Test ==

=== Testing the Information service ===

 UI>arcinfo -c nanlcg08.in2p3.fr
Computing service: MINIMAL Computing Element (production)
  Information endpoint: ldap://nanlcg08.in2p3.fr:2135/Mds-Vo-Name=local,o=grid
  Information endpoint: ldap://nanlcg08.in2p3.fr:2135/o=glue
  Submission endpoint: gsiftp://nanlcg08.in2p3.fr:2811/jobs (status: ok, interface: org.nordugrid.gridftpjob)

 UI>ldapsearch -x -H ldap://nanlcg08.in2p3.fr:2135 -b mds-vo-name=local,o=grid
# extended LDIF
#
# LDAPv3
# base <mds-vo-name=local,o=grid> with scope subtree
# filter: (objectclass=*)
# requesting: ALL
#
# local, grid
dn: Mds-Vo-name=local,o=grid
objectClass: Mds
Mds-Vo-name: local
Mds-validfrom: 20171018071546Z
Mds-validto: 20171018081546Z
# nanlcg08.in2p3.fr, local, grid
dn: nordugrid-cluster-name=nanlcg08.in2p3.fr,Mds-Vo-name=local,o=grid
nordugrid-cluster-totalcpus: 8
[...]

 ldapsearch -x -H ldap://nanlcg08.in2p3.fr:2135 -b o=glue
# extended LDIF
#
# LDAPv3
# base <o=glue> with scope subtree
# filter: (objectclass=*)
# requesting: ALL
#
# glue
dn: o=glue
objectClass: organization
o: glue
# services, glue
dn: GLUE2GroupID=services,o=glue
objectClass: GLUE2Group
GLUE2GroupID: services
[...]

== ARC-CE/HT-Condor for HPC ==

== External links ==
* [http://www.nordugrid.org/arc/ce/ ARC-CE home page]
* [https://www.gridpp.ac.uk/wiki/Example_Build_of_an_ARC/Condor_Cluster GridPP Example Build of an ARC/Condor Cluster]