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
|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 [a]|
|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.|
a. The matcd(4) driver has been removed in FreeBSD 4.X branch since October 5th, 2002 and does not exist in FreeBSD 5.0 and later releases.
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