Finding the target "/dev/sg" device
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- Kirill Nikolaev (Unlicensed)
Table of Contents
General description
This section describes how to find proper "/dev/sg" device for CHARON mapping
Procedures of finding the target "/dev/sg" device
First method
In xterm console issue:
# cat /proc/scsi/sg/device_hdr; cat /proc/scsi/sg/devices |
The output will look something like:
|
The fifth field ("type") is the device type.
| Value | Device |
|---|---|
| 0 | Disk |
| 1 | Tape |
| 5 | CD-ROM |
| 8 | Tape changer |
The "N" in the "/dev/sgN" is the line number in this table (starting from 0) corresponded to the devices CHARON will use.
Thus "/dev/sg0" will be CD-ROM mapping in this example.
Second method
On a freshly booted system please issue the following command:
# dmesg | grep sg |
The output will look like that:
|
This table lists all the devices, not only the real SCSI ones (SATA/IDE for example). CHARON supports only real SCSI devices.
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