storageplan

type Disk struct {
	Name,
	WWN,
	Type,
	PartitionTableType string

	Size int // GB.

	// Whether the server to which this disk is attached, has a NIC (Network Interface Card)
	// with speed >= 5 GBPS.
	// If yes, and this disk is an SSD / NVMe, then the priority score for CEPH installation
	// increases : since the CEPH OSDs can leverage the increased network bandwidth for higher
	// disk IOPS.
	WithHighSpeedNIC bool

	PriorityScores PriorityScores

	Allocations struct {
		OS,
		ZFS,
		CEPH int // GB.
	}
}

type NodeGroupName = string

type PriorityScores struct {
	OS,
	ZFS int
}

type StoragePlan struct {
	ServerID string

	Disks,

	OS,

	ZFS,

	CEPH []*Disk
}

type StoragePlans map[NodeGroupName][]*StoragePlan