ccd(4) on FreeBSD
The text 14bee9f771f8, as FreeBSD 5.5-RELEASE, FreeBSD 5.4-RELEASE, FreeBSD 5.3-RELEASE shipped it.
Concatenated Disk driver
The text 14bee9f771f8, as FreeBSD 5.5-RELEASE, FreeBSD 5.4-RELEASE, FreeBSD 5.3-RELEASE shipped it.
Concatenated Disk driver