Mounting my external drive with udisksctl.
$ udisksctl unlock -b /dev/sdb
Passphrase:
Unlocked /dev/sdb as /dev/dm-4.
$ udisksctl mount -b /dev/bucket/buck1
Mounted /dev/dm-5 at /run/media/keis/buck1
.. and un-mounting
$ udisksctl unmount -b /dev/bucket/buck1
$ sudo vgchange -a n bucket
0 logical volume(s) in volume group "bucket" now active
$ udisksctl lock -b /dev/sdb
Locked /dev/sdb.