media-changer (juke box) driver
ch? at scsibus?
driver provides support for SCSI juke boxes.
It allows many slots of media to be multiplexed between a number of drives.
A SCSI adapter and a logical scsibus must also be separately configured into the
system before a SCSI changer can be configured.
As the SCSI adapter is probed during boot, the SCSI bus is scanned for devices.
Any devices found which answer as “Changer” type devices will be
“attached” to the ch
first device found will be attached as ch0
the next ch1
, etc. It is also possible to specify
unit a device should come on-line as;
refer to scsi(4)
details on kernel configuration.
- device entries
driver appeared in 386BSD 0.1.