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OpenStack Cloud Computing Cookbook by Kevin Jackson

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Terminating your instance

Cloud environments are designed to be dynamic and this implies that cloud instances are being spun up and terminated as required. Terminating a cloud instance is easy to do, but equally it is important to understand some basic concepts of cloud instances.

Cloud instances such as the instance we have used are not persistent. This means that the data and work you do on that instance only exists for the time that it is running. A cloud instance can be rebooted, but once it has been terminated, all data is lost.

Tip

To ensure no loss of data, an OpenStack Compute service named nova-volume provides persistent data store functionality that allows you to attach a volume to it that doesn't get destroyed on termination but allows ...

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