| #!/bin/bash |
| |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| |
| /etc/init.d/sshd start |
| |
| if [ -f /etc/profile.d/hadoop.sh ]; then |
| . /etc/profile.d/hadoop.sh |
| fi |
| |
| if [ "${NAMENODE}" == "${HOSTNAME}" ]; then |
| if [ ! -d /tmp/hadoop-hdfs/dfs/name/current ]; then |
| su -l hdfs -c "hdfs namenode -format" |
| fi |
| |
| if [ -z "`ps aux | grep org.apache.hadoop.hdfs.server.namenode.NameNode | grep -v grep`" ]; then |
| su -l hdfs -c "hadoop-daemon.sh start namenode" |
| fi |
| else |
| if [ -z "`ps aux | grep org.apache.hadoop.hdfs.server.datanode.DataNode | grep -v grep`" ]; then |
| su -l hdfs -c "hadoop-daemon.sh start datanode" |
| fi |
| fi |
| |
