Chapter 5. Apache CloudStack Storage

By now you should be aware that CloudStack has two major categories of storage, that is primary and secondary storage. Primary storage is used for providing disk volumes for guest VMs and is associated with a cluster of the CloudStack deployment. Secondary storage is associated with a zone, common to all the pods in the zone and is used for storing templates, ISOs and the disk volumes' snapshots.

We will now discuss the storage aspect of CloudStack, which will include the following:

  • Architecture of storage in CloudStack
  • Creating, modifying, and deleting various types of storage by both users and administrators
  • Scaling storage as required

Primary storage in a cluster depends on the hypervisor being used in the zone. ...

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