Sita Admin Corner
Italian Production sites
you can find
here the list of Italian sites.
Migration to APEL as accounting system
Information on
how to install APEL in a resource centre
CVMFS service for argo
CVMFSArgo
CVMFS service for virgo
CVMFSVirgo
Central banning setup for sites
Howto for NGI_IT sites only available
here
Scheda informativa sul security service challenge 6 (ssc6)
Informazioni utili ai siti che partecipano alla
simulazione di un incidente di sicurezza
Controlli con Glue Validator
Informazioni sullo strumento e segnalazioni degli errori
National Squid service for CVMFS
If you are going to run jobs on your cluster using CernVM-FS you should also use squids to cache data at your site. In case you decide to not install a squid service at your site or in case of failover at your site, Italian NGI provide a National squid service accessible
only by registered italian sites.
We have two squids with ACLs based source and destination. If you decide to use this service, please open a ticket through
XGUS providing:
- the network information of your WNs (eg 131.154.101.0/255.255.255.0);
- the cvmfs server(s) your WNs need to contact (eg: cvmfs-gridit.cnaf.infn.it);
- add the line
CVMFS_HTTP_PROXY="http://squid01.cnaf.infn.it:3128|http://squid02.cnaf.infn.it:3128"
to the configuration of the cvmfs client on each WN (usually under /etc/cvmfs/config.d/
).
Eg. for VO gridit:
/etc/cvmfs/config.d/gridit..conf:CVMFS_HTTP_PROXY="http://squid01.cnaf.infn.it:3128|http://squid02.cnaf.infn.it:3128"
Using National Squid service for failover
If you run local squid service, you can also add the national squid servers for failover case.
CVMFS_HTTP_PROXY
is used to specify the squid server(s) to be used for local caching. It supports both load balance and failover:
Configuration test for failover
Thanks to E. Mazzoni, INFN-PISA.
# cmssquid.pi.infn.it and cmssquid2.pi.infn.it primary group, squid01.cnaf.infn.it and squid01.cnaf.infn.it failover group
# Normal behaviour
[root@stormgf1 ~]# cvmfs_talk -i belle.cern.ch proxy info
Load-balance groups:
[0] http://cmssquid.pi.infn.it:3128, http://cmssquid2.pi.infn.it:3128
[1] http://squid01.cnaf.infn.it:3128, http://squid02.cnaf.infn.it:3128
Active proxy: [0] http://cmssquid.pi.infn.it:3128
# Failover behaviour (cmssquid.pi.infn.it and cmssquid2.pi.infn.it denied by acl on router)
[root@stormgf1 ~]# cvmfs_talk -i belle.cern.ch proxy info
Load-balance groups:
[0] http://cmssquid2.pi.infn.it:3128, http://cmssquid.pi.infn.it:3128
[1] http://squid02.cnaf.infn.it:3128, http://squid01.cnaf.infn.it:3128
Active proxy: [1] http://squid02.cnaf.infn.it:3128
Table
List of the cvmfs servers and sites supported by national squid server.
cvmfs servers |
cernvmfs.gridpp.rl.ac.uk |
cvmfs02.grid.sinica.edu.tw |
cvmfs-atlas-nightlies.cern.ch |
cvmfs.fnal.gov |
cvmfs-gridit.cnaf.infn.it |
cvmfs.racf.bnl.gov |
cvmfs-repo-superb.cnaf.infn.it |
cvmfs-stratum-one.cern.ch |
Sites |
Note |
IGI-BOLOGNA |
primario |
INFN-CATANIA |
failover |
INFN-FERRARA |
primario |
INFN-PISA |
failover |
INFN-ROMA2 |
primario |
Siti Scope UNINA |
failover |
TRIGRID-INFN-CATANIA |
failover |
UNI-PERUGIA |
primario |
Useful link
Upgrade Plan
Tutorial
Notes about services from IGI middleware, based on EMI/UMD
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.
This document is addressed to site administrators responsible for middleware installation and configuration.
Information about ARGUS and gLexec Deployment
*
Actions for site-admins
Table about Installation and Configuration of Grid services EMI-3
The core services are those that are typically shared by multiple VOs and which interact with the resources made available at the Grid Site level. They should not be installed at Site level.
Table about Installation and Configuration of Grid services EMI-2
The core services are those that are typically shared by multiple VOs and which interact with the resources made available at the Grid Site level. They should not be installed at Site level.
References
- About IGI - Italian Grid infrastructure
- About IGI Release
- IGI Official Installation and Configuration guide
- Troubleshooting Guide for Operational Errors on EGI Sites
- Grid Administration FAQs page
Outdated Guides
gLite middleware (OUTDATED)
Notes about services based on gLite middleware
How to join, installing and configure igi.italaingrid.it VO on your site (OUTDATED)
How to join, installing and configure igi.italaingrid.it VO on your site
Table about Installation and Configuration of Grid services EMI-1 (OUTDATED)
The core services are those that are typically shared by multiple VOs and which interact with the resources made available at the Grid Site level. They should not be installed at Site level.
--
PaoloVeronesi - 2013-11-20