Here is a better formatted output from lsblk: bill@bill-desk:~$ sudo lsblk -fi NAME FSTYPE LABEL UUID FSAVAIL FSUSE% MOUNTPOINT . . . sdj `-sdj1 linux_raid_member bill-desk:0 06ad8de5-3a7a-15ad-8811-6f44fcdee150 `-md0 ext4 ceef50e9-afdd-4903-899d-1ad05a0780e0 sdk `-sdk1 linux_raid_member bill-desk:0 06ad8de5-3a7a-15ad-8811-6f44fcdee150 `-md0 ext4 ceef50e9-afdd-4903-899d-1ad05a0780e0 sdl `-sdl1 linux_raid_member bill-desk:0 06ad8de5-3a7a-15ad-8811-6f44fcdee150 `-md0 ext4 ceef50e9-afdd-4903-899d-1ad05a0780e0 sdm `-sdm1 linux_raid_member bill-desk:0 06ad8de5-3a7a-15ad-8811-6f44fcdee150 `-md0 ext4 ceef50e9-afdd-4903-899d-1ad05a0780e0