Set the NFS lock manager grace period. n is measured in seconds.
Assign a TCP port to the lock manager.
lockd.nlm_tcpport=port
Set the TCP port that the NFS lock manager should use. port must be a valid TCP port value.
Assign a new timeout value to the lock manager.
lockd.nlm_timeout=n
Override the default time value for the NFS lock manager. n is measured in seconds. If this option is not specified, the default of 10 seconds will be used.
Assign a UDP port to the lock manager.
lockd.nlm_udpport=port
Set the UDP port that the NFS lock manager should use. port must be a valid UDP port value.
Specifies the NFS root filesystem.
nfsroot= [server-ip: ]root-dir[,nfs-options]
Set the NFS root filesystem for diskless boxes, to enable them to boot properly over NFS. If this parameter is not set, the value /tftpboot/client_ip_address will be used as the root filesystem with the default NFS options.
server-ip
IP address of the NFS server to connect to.
root-dir
Directory on the NFS server to mount as root. If there is a %s token in this string, it will be replaced with the ASCII representation of the client's IP address.
nfs-options
The standard NFS options, such as ro, separated by commas.
Set the NFSv4 TCP port for the callback channel.
nfs.callback_tcpport=port
Specify the TCP port that the NFSv4 callback channel should listen on. port must be a valid TCP port value.
Set the maximum lifetime for idmapper cache entries.
nfs.idmap_cache_timeout=n
Specify the maximum lifetime for idmapper cache entries. n is measured in seconds.