[GitHub] [cloudstack] Spaceman1984 commented on issue #3973: systemd dependency on db

[GitBox <gi...@apache.org>]

Spaceman1984 commented on issue #3973: systemd dependency on db
URL: https://github.com/apache/cloudstack/pull/3973#issuecomment-601586004
 
 
   I edited the cloudstack-management.service file:
   ```
   [Unit]
   Description=CloudStack Management Server
   After=syslog.target network.target mysqld.service
   Wants=mysqld.service
   ```
   and ran
   
   `systemctl start cloudstack-management`
   
   In this case, mysqld started before cloudstack-management, but after executing:
   
   `systemctl stop mysqld`
   
   to see what happens when mysqld is stopped, cloudstack-management didn't stop and started throwing errors.
   
   By chaning the cloudstack-management.service file to:
   ```
   [Unit]
   Description=CloudStack Management Server
   After=syslog.target network.target mysqld.service
   Requires=mysqld.service
   ```
   and executing
   
   `systemctl stop mysqld`
   
   cloudstack was stopped first before mysql was stopped.
   
   By my testing, using "Wants", instead of "Requires", mysqld will start before cloudstack-management, but will not shut down cloudstack-management before mysqld.
   
   I will take a look at a solution

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