This log message has no meaning and it always shows up when users mount the gNFS volume. If its not relevant as "error" please move this to a different log level. [2010-10-18 14:58:02.120094] I [client-handshake.c:535:client_setvolume_cbk] dist-client-1: Connected to 10.1.10.112:24009, attached to remote volume '/distribute'. [2010-10-18 15:09:30.471328] E [rpcsvc.c:1249:nfs_rpcsvc_program_actor] nfsrpc: RPC program not available
Not that it "has no meaning" but the log level needs to change anyway. Fix coming soon to a release near you.
PATCH: http://patches.gluster.com/patch/5576 in master (nfs-rpc: Fix log message for unsupported program)