Applies to Brocade Fabric OS (FOS) version less than 8.2 Issue After replacing a Brocade switch some hosts could not access Fiber Channel (FC) LUNs on the paths through new switch. The fcping command ...Applies to Brocade Fabric OS (FOS) version less than 8.2 Issue After replacing a Brocade switch some hosts could not access Fiber Channel (FC) LUNs on the paths through new switch. The fcping command was able to reach the initiators from storage. Hosts were not logged in to storage.