Hi Yvan, Would it be please possible to set up a Nagios instance in order to monitor IN2P3 cluster state? I would be available to write Nagios plugin in order to monitor if Qserv node are up/down. Thanks Fabrice ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the QSERV-L list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=QSERV-L&A=1