Oznacovanie CDRW: sdc0 sg0 scd - co je co?
Ladislav Vaiz
spam na nagano.cz
Čtvrtek Prosinec 2 12:39:14 CET 2004
Cituji z /usr/src/linux/Documentation/devices.txt
> Avsak preco (SECONDARY master) napalovacka je scd0, nie scd?
11 block SCSI CD-ROM devices
0 = /dev/scd0 First SCSI CD-ROM
1 = /dev/scd1 Second SCSI CD-ROM
cislo neznamena partisnu, ale dalsi mechaniku.
>
> 1B. Ak hdX=hard-drive, scX=? - nemalo by byt SCSI drive = sd?
> 1C. Ak SCSI drive=scX, tak sdX=co?
>
> 2.
> Co je zac /dev/sg0? - lebo obcas je napalovacka toto, proste v niekt.
21 char Generic SCSI access
0 = /dev/sg0 First generic SCSI device
1 = /dev/sg1 Second generic SCSI device
...
Most distributions name these /dev/sga, /dev/sgb...;
this sets an unnecessary limit of 26 SCSI devices in
the system and is counter to standard Linux
device-naming practice.
> Co zac je
> brw-rw---- 1 root disk 8, 32 2003-07-09 13:52 /dev/sdc
8 block SCSI disk devices (0-15)
0 = /dev/sda First SCSI disk whole disk
16 = /dev/sdb Second SCSI disk whole disk
32 = /dev/sdc Third SCSI disk whole disk
...
240 = /dev/sdp Sixteenth SCSI disk whole disk
Partitions are handled in the same way as for IDE
disks (see major number 3) except that the limit on
partitions is 15.
sdc odpovida hdc, nema obecne nic spolecneho s cdrom.
La'd"a
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