Starting and Stopping Cloudera Services for MDCLone
Requirements
- Access to WashU VPN or Production network
- Access to Cloudera manager admin account
- Access to az-mdc-app-1-2022 host
REMEMBER: Send out outage notification to MDClone users before stopping Cloudera SCM (Contact MDClone Helpdesk for notifications)
Stopping Cloudera SCM
- Stop Cloudera services from Cloudera GUI
a. Shutdown Cloudera Roles/services from GUI
b. Shutdown Cloudera manager
- Stop Docker on each manager host az-mdc-cm-[1-3]
-- as manager user on az-mdc-cm-1 host sudo systemctl status docker.service sudo systemctl stop docker.service sudo systemctl status docker.service sudo systemctl disable docker.service
- Stop Cloudera agent on all Hadoop Nodes
-- as manager user on all hadoop hosts az-mdc-cm-[1-3] az-mdc-cw-[1-4] sudo systemctl status cloudera-scm-agent.service sudo systemctl stop cloudera-scm-agent.service sudo systemctl status cloudera-scm-agent.service
- Stop cloudera-scm-server process on az-mdc-cm-1
-- as manager user on az-mdc-cm-1 host sudo systemctl status cloudera-scm-server.service sudo systemctl stop cloudera-scm-server.service sudo systemctl status cloudera-scm-server.service
- Stop MySQL database process on az-mdc-cm-1
-- as manager user on az-mdc-cm-1 host sudo systemctl status mysqld.service sudo systemctl stop mysqld.service sudo systemctl status mysqld.service
Starting Cloudera SCM
- Start MySQL database process on az-mdc-cm-1
-- as manager user on az-mdc-cm-1 host sudo systemctl status mysqld.service sudo systemctl start mysqld.service sudo systemctl status mysqld.service
- Start cloudera-scm-server process on az-mdc-cm-1
-- as manager user on az-mdc-cm-1 host sudo systemctl status cloudera-scm-server.service sudo systemctl start cloudera-scm-server.service sudo systemctl status cloudera-scm-server.service
- Start Cloudera agent on all Hadoop Nodes
-- as manager user on all hadoop hosts az-mdc-cm-[1-3] az-mdc-cw-[1-4] sudo systemctl status cloudera-scm-agent.service sudo systemctl start cloudera-scm-agent.service sudo systemctl status cloudera-scm-agent.service
- Start Docker on each manager host az-mdc-cm-[1-3]
-- as manager user on az-mdc-cm-1 host sudo systemctl status docker.service sudo systemctl start docker.service sudo systemctl status docker.service sudo systemctl enable docker.service
- Start Cloudera services from Cloudera GUI
a. Shutdown Cloudera manager
b. Shutdown Cloudera Roles/services from GUI