CADESUser DocumentationCADES Cloud User GuideLaunch a VMConfigure Flavor & Image

Launch a VM Instance: Flavor and Image

On the next two tabs, you will choose the storage type and size, and the operating system image.

Source Tab – Fill out the required fields for the Source tab.

  • Select Boot Source – Set this to Image
  • Create New Volume – Two options:
    • Yes: This creates a virtual disk on CADES's central storage (recommended). This type of storage is referred to as a "cinder volume."
    • No: A virtual disk is created on a hypervisor; this disk is not persistent when the VM is deleted. This type of storage is referred to as an "ephemeral volume." The size of the volume can be increased, by migrating the instance to a larger flavor size, which can be done yourself without CADES assistance.
  • Delete Volume on Instance Delete – Set to No if data should persist between Instance restarts.
  • Volume Size – Must be greater than or equal to the flavor size and fit within your allocation quota.
    ⚠ Increasing the size of a root volume later will require contacting CADES support.
    📝 Note: It is recommended to size the root volume appropriate to your needs, keeping in mind that small root volumes are typically used. Additional volumes (for data, logs, etc.) can be attached to an instance, detached and attached to a new VM, etc. You may also consider attaching shared NFS storage rather than adding large volumes to each VM (contact CADES). A best practice recommendation is for root volumes to contain only the OS.
  • Device Name – This should almost always be the default, vda.
  • Available – List of available images. Choose from the available options by clicking the + next to the desired image.
    We're choosing the Ubuntu image for this example.
  • Upon selecting an image, it will move from the Available list to the Allocated list.
  • Once finished, click Next to proceed to the next section.

Flavor Tab – Choose an image flavor for your VM Instance.

  • Available – List of available images. Choose an image, and click + to add it to your allocation.

    📝 Note: The indicates that your quota has inadequate resources for the image.

  • Upon selection, the chosen image will move to the Allocated list.
  • Once finished, click Next to proceed to the next section.

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