typically its between 10s and 1min depending of the config these are values that any NFS client will tolerate In any case unless you are using soft mounts (which you shouldnt) an application using a file over NFS will NOT get any errors - it will simply wait for IO The OS NFS client stack is responsible for retransmitting a NFS reqeust if it times out.The most you will see if a "NFS server not responding" and "NFS server ok" in the clients log - which isnt an error messages but simply an information that its been retrying NFS requests
hello everyone,    I can imagine this has been asked a lot of times. I wanted to know what are the possible solutions to minimize the downtime generated when a NAS server fails over to other SP while the SP fails/reboots. It is cleary written in the
Unity-NAS Failover between SP