@talbaror by the way you can find discussion about all this, and what users have tried, etc., at: https://xcp-ng.org/forum/topic/2496/xcp-ng-nfs-timeout-values-and-storage-node-active-standby-failover https://github.com/xcp-ng/xcp/issues/334 stormi created this issue in xcp-ng/xcp open Use NFS hard mount instead of soft mount to avoid RO VMs (or offer option)? #334

Have you refresh your broswer tab? Have you tried to disconnect/reconnect the pool in Settings/servers?

You need a space between the URL and the user name.