scale gui erkennt nicht alle festplatten

root@nas[~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 1.8T 0 disk
├─sda1 8:1 0 1.8T 0 part
└─sda9 8:9 0 8M 0 part
sdb 8:16 0 1.8T 0 disk
├─sdb1 8:17 0 1.8T 0 part
└─sdb9 8:25 0 8M 0 part
sdc 8:32 0 55.9G 0 disk
├─sdc1 8:33 0...

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