leo.hpc.uib.no will have downtime tomorrow from 08:30  until 13:00. we will perform memory check and another related hardware check on the machine.
Progress of the maintenance will be published here.

Update 2019.08.01 12:00 lustre developer provided us with debugging patch, I am going to implement it, and restart NFS on Leo.
Update 2019.07.04 22:51 Leo crashed again after maintenance, we will stop NFS, and start smb from now on until we find the solution for NFS problem.
Update 2019.07.04 12:55 Leo is back online, only NFS server is restarted. we will keep monitor the system. 
Update2019.07.04 12:50 Maintenance is over, network card firmware is updated, BIOS is updated, hardware diagnoses completed without any problem, memory test went fine.
Update 2019.07.04 08:45 Maintenance started, leo is going offline.