Before You Start Using MapR NFS
Make sure the following conditions are met before using the MapR NFS gateway:
- The stock Linux NFS service must not be running. Linux NFS and MapR NFS cannot run concurrently.
- The lock manager (nlockmgr) must be disabled.
- On Red Hat and CentOS v6.0 and higher, the
rpcbind
service must be running.You can use the command
ps ax | grep rpcbind
to check. - On Red Hat and CentOS v5.x and lower, and on Ubuntu and SUSE,
the
portmapper
service must be running.You can use the command
ps ax | grep portmap
to check. - The
mapr-nfs
package for NFSv3 must be present and installed.You can list the contents in the
/opt/mapr/roles
directory to check fornfs
in the list. - Make sure you have applied a Community Edition (M3) license or an Enterprise Edition
(M5) license (paid or trial) to the cluster.
See Adding a License.
- Make sure the MapR NFS service is started.
- Verify that the primary group of the user listed for
mapr.daemon.user
in the/opt/mapr/conf/daemon.conf
file ismapr.daemon.group
.Restart Warden after any changes to
daemon.conf
.
- NFSv3, see Accessing Data with NFSv3.
For information on upgrading your cluster, see Upgrading MapR Core.
Use32BitFileId
property to 0 in the
nfsserver.conf
file, then restart the NFS server.