Attaching versus mounting in Cloud Block Storage

  • Last updated on: 2016-10-24
  • Authored by: David Hendler

In Cloud Block Storage you both attach and mount a volume to a server. The following information explains these concepts:

Attach: When you attach a Cloud Block Storage Volume to a server, a logical connection is created from a Cloud Block Storage node to the hypervisor hosting your cloud server. This is done over a network link via the iSCSI protocol. The new Volume gets exposed as a virtual device to the host. To your Cloud Server, the Volume appears as a new raw storage device. You can attach a Cloud Block Storage Volume through either the API or the Cloud Control Panel.

Mount: Mounting is generally done once a volume has been attached and formatted for use by a computer’s operating system. Mounting is the process in which a user instructs the operating system how to logically map the directory structure to a physical storage device. You can only mount a volume through the computer’s operating system.

For more information about how to mount your volume, see Prepare your volume.

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