Does FreeBSD support Jaz®, EZ and other removable drives?
Apart from the IDE version of the EZ drive, these are all SCSI devices, so they should all look like SCSI disks to FreeBSD, and the IDE EZ should look like an IDE drive. I am not sure how well FreeBSD supports changing the media out while running. You will of course need to dismount the drive before swapping media, and make sure that any external units are powered on when you boot the system so FreeBSD can see them. See this note on “formatting”.
They work. Most of these are SCSI devices, so they look like SCSI disks to FreeBSD. The IDE EZ looks like an IDE drive. Make sure that any external units are powered on when booting the system. To change the media while running, check out mount(8), umount(8), and camcontrol(8) (for SCSI devices) or atacontrol(8) (for IDE devices), plus the discussion on using removable drives later in the FAQ.