Overall:
    Device size:		   3.64TiB
    Device allocated:		   1.14TiB
    Device unallocated:		   2.50TiB
    Device missing:		     0.00B
    Used:			   1.09TiB
    Free (estimated):		   1.27TiB	(min: 1.27TiB)
    Data ratio:			      2.00
    Metadata ratio:		      2.00
    Global reserve:		 482.83MiB	(used: 0.00B)

Data,RAID1: Size:579.00GiB, Used:557.20GiB
   /dev/sdc1	 579.00GiB
   /dev/sdd1	 579.00GiB

Metadata,RAID1: Size:4.00GiB, Used:867.39MiB
   /dev/sdc1	   4.00GiB
   /dev/sdd1	   4.00GiB

System,RAID1: Size:72.00MiB, Used:96.00KiB
   /dev/sdc1	  72.00MiB
   /dev/sdd1	  72.00MiB

Unallocated:
   /dev/sdc1	   1.25TiB
   /dev/sdd1	   1.25TiB