The following is a list of physical storage devices supported in FreeBSD, and the device names associated with them.
Table 12-1. Physical Disk Naming Conventions
| Drive type | Drive device name |
|---|---|
| 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. |
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