ccd(4) on FreeBSD
The text c149ae00ef35, as FreeBSD 13.2-RELEASE, FreeBSD 13.1-RELEASE, FreeBSD 13.0-RELEASE shipped it.
Concatenated Disk driver
The text c149ae00ef35, as FreeBSD 13.2-RELEASE, FreeBSD 13.1-RELEASE, FreeBSD 13.0-RELEASE shipped it.
Concatenated Disk driver