CDH迁移中元数据库的备份--脚本

#备份数据库

pg_dump -h localhost -p 7432 -U scm > /tmp/scm_server_db_backup.$(date +%Y%m%d)

#并记住db.properties 中的密码 在/etc/cloudera-scm-server/db.properties中
 
service postgresql status

service postgresql start //启动postgresql

#service postgresql initdb

#service postgresql start
yum -y install cloudera-manager-server-db-2
chown -R cloudera-scm:cloudera-scm /var/lib/cloudera-scm-server

su -s /bin/bash cloudera-scm -c "

touch /var/log/cloudera-scm-server/db.log; 

/usr/share/cmf/bin/initialize_embedded_db.sh 

/var/lib/cloudera-scm-server-db/data 

/var/log/cloudera-scm-server/db.log"

su -s /bin/bash cloudera-scm -c "pg_ctl start -w -D 

/var/lib/cloudera-scm-server-db/data -l /var/log/cloudera-scm-server/db.log"
service cloudera-scm-server-db status

service cloudera-scm-server-db start

#恢复数据

psql -h localhost -p 7432 -U scm </tmp/scm_server_db_backup

#输入新的密码

service cloudera-scm-server status

service cloudera-scm-server start

分类: Linux