20220617 / restart in progress

At that time, mostly upgrades on various servers. Expect deconnections.

• data10 (chimie) : reboot en cours (upgrades on storage and kernel)
• ssh.psmn : done (no reboot needed)
• allo-psmn : en cours (reboot needed)
• data13 (/xns/cosmos, /Xnfs/zoomin) : TODO add hardware and reboot