geli_groups="storage backup"
geli_storage_flags="-k /etc/geli/storage.keys"
geli_storage_devices="ada0 ada1"
geli_backup_flags="-j /etc/geli/backup.passfile -k /etc/geli/backup.keys"
geli_backup_devices="ada2 ada3"

mdconfig -s 1m -u 0
mdconfig -s 1m -u 1
mdconfig -s 1m -u 2
mdconfig -s 1m -u 3
geli init md0   # set password to "test"
geli init md1   # set password to "test"
geli init md2   # set password to "test123"
geli init md3   # set password to "test"
geli attach -v md0 md1  # enter password "test"
geli status
geli detach md0 md1

geli attach -v md0 md1 md2 md3  # enter password "test"
geli status
geli detach md0 md1 md3

mdconfig -s 1m -u 4
mdconfig -s 1m -u 5
mdconfig -s 1m -u 6
dd if=/dev/random of=/tmp/test.key bs=64 count=1
echo te > /tmp/pass1.txt
echo st > /tmp/pass2.txt
geli init -s 4096 -K /tmp/test.key -J /tmp/pass1.txt -J /tmp/pass2.txt md4
geli init -s 4096 -K /tmp/test.key md5  # set password "test123"
geli init -s 4096 -K /tmp/test.key -J /tmp/pass1.txt -J /tmp/pass2.txt md6
geli attach -k /tmp/test.key -j /tmp/pass1.txt -j /tmp/pass2.txt -v md4 md5 md6
geli status
geli detach md4 md6

mdconfig -d -u 0
mdconfig -d -u 1
mdconfig -d -u 2
mdconfig -d -u 3
mdconfig -d -u 4
mdconfig -d -u 5
mdconfig -d -u 6
rm /tmp/test.key /tmp/pass1.txt /tmp/pass2.txt

Attached to md0.
Attached to md1.
Done.
      Name  Status  Components
   md0.eli  ACTIVE  md0
   md1.eli  ACTIVE  md1

Attached to md0.
Attached to md1.
geli: Wrong key for md2.
Attached to md3.
geli: At least one provider failed to attach.
      Name  Status  Components
   md0.eli  ACTIVE  md0
   md1.eli  ACTIVE  md1
   md3.eli  ACTIVE  md3

Attached to md4.
geli: Wrong key for md5.
Attached to md6.
geli: At least one provider failed to attach.
      Name  Status  Components
   md4.eli  ACTIVE  md4
   md6.eli  ACTIVE  md6