derive value:DERIVE:0:U
df used:GAUGE:0:1125899906842623, free:GAUGE:0:1125899906842623
df_complex value:GAUGE:0:U
+df_inodes used:GAUGE:0:1125899906842623, free:GAUGE:0:1125899906842623
disk_latency read:GAUGE:0:U, write:GAUGE:0:U
disk_merged read:COUNTER:0:4294967295, write:COUNTER:0:4294967295
disk_octets read:COUNTER:0:17179869183, write:COUNTER:0:17179869183