[Feature] Support for additional data disks for Single Machine Cluster

[erwinkersten]

Feature Request:

Support for Data Disks (VDHX) for Single Machines Cluster that is using local storage by providing a capability to configure one or more datadisks (size, location) in the cluster config so that additional disk are added to the AKS EE Maniner VM and/or AKS EE Windows VM. The rationale is to be able segregate the data from the OS disk and to be able to use different storage classes (tiering).

Example configuration:

"Machines": [
    {
      "LinuxNode": {
        "CpuCount": 8,
        "MemoryInMB": 32768,
        "DataSizeInGB": 100,
        "TimeoutSeconds": 300,
        "TpmPassthrough": true,
        "AdditionalDataDisks":"[
          {
            "DataDiskName": "performance"
            "DataSizeInGB": 100, 
            "DataDiskPath": "D:\" 
          }, 
          {
	    "DataDiskName": "standard"
            "DataSizeInGB": 500, 
            "DataDiskPath": "E:\"
          },
          {
	    "DataDiskName": "archive"
            "DataSizeInGB": 500, 
            "DataDiskPath": "F:\"
          }
        ],
        "SecondaryNetworks": [
          {
            "VMSwitchName": null,
            "Ip4Address": null,
            "Ip4GatewayAddress": null,
            "Ip4PrefixLength": null
          }
        ]
      }
    }

When the "DataDiskPath" is not provided it should use the INSTALLDIR and VHDXDIR that are used during installation (default, location C:\Program Files\AksEdge)

(optional) - The CBL-Maniner VM could mount and initialize the additional disks with a Physical Volume (pvcreate ) and a new Volume Group should be created (vgcreate). From here the user is then responsible to configure their Storage Provider and classes (similar process would apply on the Windows VM).

[JeanRessouche]

This is so badly required, i can't see how to use AKS EE in production without it