Version: 2.01+01a01-4
They use different interfaces it seems, the dev=/dev/hdc trick
seems to switch to ATAPI transport (instead of ATA):
README.ATAPI:
1. Become root, find out the virtual SCSI ID of your device,
running: cdrecord dev=ATA: -scanbus
cdrecord(1):
To access SCSI devices via alternate transport
layers, you need to prepend the SCSI device name by a
transport layer indicator. The transport layer
indicator may be something like USCSI: or ATAPI:. To get
a list of supported transport layers for your platform,
use dev= HELP:
cdrecord dev=HELP: reveals:
Transport name: ATA
Transport descr.: ATA Packet specific SCSI transport
Transp. layer ind.: ATAPI:
Target specifier: bus,target,lun
Target example: ATAPI:1,2,0
SCSI Bus scanning: supported
Open via UNIX device: not supported
Transport name: ATA
Transport descr.: ATA Packet specific SCSI transport using
sg interface
Transp. layer ind.: ATA:
Target specifier: bus,target,lun
Target example: 1,2,0
SCSI Bus scanning: supported
Open via UNIX device: not supported
ATAPI recognizes the drive, but there is this warning about no
DMA support.
Linux turing.prv.korn.ch 2.6.11-1-686-smp #1 SMP Mon Jun 20 20:18:45 MDT 2005
i686 GNU/Linux
ATA does work like this:
sudo cdrecord -scanbus dev=/dev/hdc # dev=<yourdevice>
# scan succeeds, use that value now with ATA:
sudo cdrecord dev=ATA:1,0,0 -prcap
# caps ...
related bugs:
#309250: cdrecord -dev=ATA: -scanbus loops forever
#312693: cdrecord: README.ATAPI.setup tells to use wrong dev=ATA: option
instead of correct dev=ATAPI.
#310689 cdrecord fails to detect ATA device with -scanbus
ciao, 2ri
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