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Home > ServerTemplates > Archive > Pre-11H1 > MySQL-S3 > Database Manager for MySQL-S3 Runbook > MySQL-S3 Problem Scenarios > There are no running DB instances (master or slave)!

There are no running DB instances (master or slave)!

There are only two possible situations that can lead to having no DB instances running. The first, and
most obvious scenario is when the DB system has never been brought up before. The second is when the full
existing DB system failed (unscheduled) or was purposely shutdown.

Verification: How do I know my system is in this situation?

  1. Access the "active instances" (Manage -> Servers)
  2. Verify that none of the running instances are derived from the master or slave templates (i.e. click on each instance and verify that its server template field is not Master MySQL v? or Slave MySQL v?).

 

Required actions: What recipes should I apply to solve the situation?

  1. Launch a new Master-DB
  2. Launch a new Slave-DB
  3. Reinitialize Master-DB contents (ONLY if this is the first time that the DB system has been brought up.)
  4. Initialize Slave-DB from Master-DB

 

 

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Last modified
21:34, 16 May 2013

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