Create Storage Drivers migration

db/migrate/20180726142030_create_physical_disk.rb

@@ -0,0 +1,18 @@
+class CreatePhysicalDisk < ActiveRecord::Migration[5.0]
+  def change
+    create_table :physical_disks do |t|
+      t.string :model
+      t.string :vendor
+      t.string :status
+      t.string :location
+      t.index  :location
+      t.string :serial_number
+      t.string :health_state
+      t.string :type
+      t.string :disk_size
+      t.bigint :physical_storage_id
+      t.index  :physical_storage_id
+      t.timestamps
+    end
+  end
+end