Device Names
The following is a list of physical storage devices supported in FreeBSD, and the device names associated with them.
Table 16-1. Physical Disk Naming Conventions
IDE hard drives | ad |
IDE CDROM drives | acd |
SCSI hard drives and USB Mass storage devices | da |
SCSI CDROM drives | cd |
Assorted non-standard CDROM drives | mcd for Mitsumi CD-ROM, scd for Sony CD-ROM, matcd for Matsushita/Panasonic CD-ROM |
Floppy drives | fd |
SCSI tape drives | sa |
IDE tape drives | ast |
Flash drives | fla for DiskOnChip ® Flash device |
RAID drives | aacd for Adaptec ® AdvancedRAID, mlxd and mlyd for Mylex ®, amrd for AMI MegaRAID ®, idad for Compaq Smart RAID, twed for 3ware ® RAID. |
Notes: The driver has been removed in FreeBSD 4.X branch since October 5th, 2002 and does not exist in FreeBSD 5.0 and later releases. |