- device = controller[:device].sub("/dev/", "")
- smart = disk[:smart_device]
-
- if device.start_with?("cciss/") && smart =~ /^cciss,(\d+)$/
- array = node[:hardware][:disk][:arrays][disk[:arrays].first]
- munin = "cciss-3#{array[:wwn]}-#{Regexp.last_match(1)}"
- elsif smart =~ /^.*,(\d+)$/
- munin = "#{device}-#{Regexp.last_match(1)}"
- elsif smart =~ %r{^.*,(\d+)/(\d+)$}
- munin = "#{device}-#{Regexp.last_match(1)}:#{Regexp.last_match(2)}"
+
+ if controller && controller[:device]
+ device = controller[:device].sub("/dev/", "")
+ smart = disk[:smart_device]
+
+ if device.start_with?("cciss/") && smart =~ /^cciss,(\d+)$/
+ array = node[:hardware][:disk][:arrays][disk[:arrays].first]
+ munin = "cciss-3#{array[:wwn]}-#{Regexp.last_match(1)}"
+ elsif smart =~ /^.*,(\d+)$/
+ munin = "#{device}-#{Regexp.last_match(1)}"
+ elsif smart =~ %r{^.*,(\d+)/(\d+)$}
+ munin = "#{device}-#{Regexp.last_match(1)}:#{Regexp.last_match(2)}"
+ end