- install WD Drive Utilities on Mac OS
- convert to JBOD/EXFAT and turn off Drive Sleep
- plug into linux
sudo parted /dev/sd<num>
print
rm 1 (and others)
mklabel gpt
unit TB
mkpart primary 0.00TB 8.00TB
print
quit
then sudo mkfs.ext4 /dev/sd<num>
and use the UUID to generate fstab entries:
UUID=<UUIDHERE> /media/hd1 ext4 defaults 0 0
then sudo mount -a
to reload fstab and mount (mkdir your mountpoints first)
To use both disks as 1 volume (with LUKS encryption): https://gist.github.com/yohhaan/3127792dc1570e4c4636b2fb142f0462