1 在所有集羣節點上運行python腳本
python /usr/lib/python2.6/site-packages/ambari_agent/HostCleanup.py –silent –skip=users
2 刪除所有節點上的Hadoop包
yum remove -y hive*
yum remove -y oozie*
yum remove -y pig*
yum remove -y zookeeper*
yum remove -y tez*
yum remove -y hbase*
yum remove -y ranger*
yum remove -y knox*
yum remove -y storm*
yum remove -y accumulo*
yum remove -y falcon*
yum remove -y ambari-metrics-hadoop-sink
yum remove -y smartsense-hst
yum remove -y slider_2_4_2_0_258
yum remove -y ambari-metrics-monitor
yum remove -y spark2_2_5_3_0_37-yarn-shuffle
yum remove -y spark_2_5_3_0_37-yarn-shuffle
yum remove -y ambari-infra-solr-client
3 刪除ambari-agent
ambari-agent stop
yum erase ambari-agent
4 刪除ambari-server
ambari-server stop
yum erase ambari-server
5 刪除所有節點上的存儲庫
rm -rf /etc/yum.repos.d/ambari.repo /etc/yum.repos.d/HDP*
yum clean all
6 刪除所有節點上的日誌文件夾
rm -rf /var/log/ambari-agent
rm -rf /var/log/ambari-metrics-grafana
rm -rf /var/log/ambari-metrics-monitor
rm -rf /var/log/ambari-server/
rm -rf /var/log/falcon
rm -rf /var/log/flume
rm -rf /var/log/hadoop
rm -rf /var/log/hadoop-mapreduce
rm -rf /var/log/hadoop-yarn
rm -rf /var/log/hive
rm -rf /var/log/hive-hcatalog
rm -rf /var/log/hive2
rm -rf /var/log/hst
rm -rf /var/log/knox
rm -rf /var/log/oozie
rm -rf /var/log/solr
rm -rf /var/log/zookeeper
7 刪除所有節點上的Hadoop文件夾，包括HDFS數據
rm -rf /hadoop/*
rm -rf /hdfs/hadoop
rm -rf /hdfs/lost+found
rm -rf /hdfs/var
rm -rf /local/opt/hadoop
rm -rf /tmp/hadoop
rm -rf /usr/bin/hadoop
rm -rf /usr/hdp
rm -rf /var/hadoop
8 刪除所有節點上的配置文件夾
rm -rf /etc/ambari-agent
rm -rf /etc/ambari-metrics-grafana
rm -rf /etc/ambari-server
rm -rf /etc/ams-hbase
rm -rf /etc/falcon
rm -rf /etc/flume
rm -rf /etc/hadoop
rm -rf /etc/hadoop-httpfs
rm -rf /etc/hbase
rm -rf /etc/hive
rm -rf /etc/hive-hcatalog
rm -rf /etc/hive-webhcat
rm -rf /etc/hive2
rm -rf /etc/hst
rm -rf /etc/knox
rm -rf /etc/livy
rm -rf /etc/mahout
rm -rf /etc/oozie
rm -rf /etc/phoenix
rm -rf /etc/pig
rm -rf /etc/ranger-admin
rm -rf /etc/ranger-usersync
rm -rf /etc/spark2
rm -rf /etc/tez
rm -rf /etc/tez_hive2
rm -rf /etc/zookeeper
10 刪除所有節點上的PID
rm -rf /var/run/ambari-agent
rm -rf /var/run/ambari-metrics-grafana
rm -rf /var/run/ambari-server
rm -rf /var/run/falcon
rm -rf /var/run/flume
rm -rf /var/run/hadoop
rm -rf /var/run/hadoop-mapreduce
rm -rf /var/run/hadoop-yarn
rm -rf /var/run/hbase
rm -rf /var/run/hive
rm -rf /var/run/hive-hcatalog
rm -rf /var/run/hive2
rm -rf /var/run/hst
rm -rf /var/run/knox
rm -rf /var/run/oozie
rm -rf /var/run/webhcat
rm -rf /var/run/zookeeper
11 刪除所有節點上的庫文件夾
rm -rf /usr/lib/ambari-agent
rm -rf /usr/lib/ambari-infra-solr-client
rm -rf /usr/lib/ambari-metrics-hadoop-sink
rm -rf /usr/lib/ambari-metrics-kafka-sink
rm -rf /usr/lib/ambari-server-backups
rm -rf /usr/lib/ams-hbase
rm -rf /usr/lib/mysql
rm -rf /var/lib/ambari-agent
rm -rf /var/lib/ambari-metrics-grafana
rm -rf /var/lib/ambari-server
rm -rf /var/lib/flume
rm -rf /var/lib/hadoop-hdfs
rm -rf /var/lib/hadoop-mapreduce
rm -rf /var/lib/hadoop-yarn
rm -rf /var/lib/hive2
rm -rf /var/lib/knox
rm -rf /var/lib/smartsense
rm -rf /var/lib/storm
12 清除所有節點上的文件夾/var/tmp/*
rm -rf /var/tmp/*
13 從cron在所有節點上刪除HST
/usr/hdp/share/hst/bin/hst-scheduled-capture.sh sync
/usr/hdp/share/hst/bin/hst-scheduled-capture.sh
14 刪除數據庫
刪除MySQL和Postgres的實例，以便Ambari安裝和配置新的數據庫
yum erase postgresql
rm -rf /var/lib/pgsql
rm -rf /var/lib/mysql
15 刪除所有節點上的符號鏈接
檢查文件夾/usr/sbin和/usr/lib/python2.6/site-packages
cd /usr/bin
rm -rf accumulo
rm -rf atlas-start
rm -rf atlas-stop
rm -rf beeline
rm -rf falcon
rm -rf flume-ng
rm -rf hbase
rm -rf hcat
rm -rf hdfs
rm -rf hive
rm -rf hiveserver2
rm -rf kafka
rm -rf mahout
rm -rf mapred
rm -rf oozie
rm -rf oozied.sh
rm -rf phoenix-psql
rm -rf phoenix-queryserver
rm -rf phoenix-sqlline
rm -rf phoenix-sqlline-thin
rm -rf pig
rm -rf python-wrap
rm -rf ranger-admin
rm -rf ranger-admin-start
rm -rf ranger-admin-stop
rm -rf ranger-kms
rm -rf ranger-usersync
rm -rf ranger-usersync-start
rm -rf ranger-usersync-stop
rm -rf slider
rm -rf sqoop
rm -rf sqoop-codegen
rm -rf sqoop-create-hive-table
rm -rf sqoop-eval
rm -rf sqoop-export
rm -rf sqoop-help
rm -rf sqoop-import
rm -rf sqoop-import-all-tables
rm -rf sqoop-job
rm -rf sqoop-list-databases
rm -rf sqoop-list-tables
rm -rf sqoop-merge
rm -rf sqoop-metastore
rm -rf sqoop-version
rm -rf storm
rm -rf storm-slider
rm -rf worker-lanucher
rm -rf yarn
rm -rf zookeeper-client
rm -rf zookeeper-server
rm -rf zookeeper-server-cleanup
16 刪除所有節點上的服務用戶
userdel -r accumulo
userdel -r ambari-qa
userdel -r ams
userdel -r falcon
userdel -r flume
userdel -r hbase
userdel -r hcat
userdel -r hdfs
userdel -r hive
userdel -r kafka
userdel -r knox
userdel -r mapred
userdel -r oozie
userdel -r ranger
userdel -r spark
userdel -r sqoop
userdel -r storm
userdel -r tez
userdel -r yarn
userdel -r zeppelin
userdel -r zookeeper
17 清理遺留文件
在所有節點上運行find / -name ** 你一定會找到更多的文件/文件夾。 刪除它們
find / -name ambari
find / -name accumulo
find / -name atlas
find / -name beeline
find / -name falcon
find / -name flume
find / -name hadoop
find / -name hbase
find / -name hcat
find / -name hdfs
find / -name hdp
find / -name hive
find / -name hiveserver2
find / -name kafka
find / -name mahout
find / -name mapred
find / -name oozie
find / -name phoenix
find / -name pig
find / -name ranger
find / -name slider
find / -name sqoop
find / -name storm
find / -name yarn
find / -name zookeeper
18 重新啓動所有節點
reboot