Generic Scsi emulation Support enos ATAPI.

[Alexios Chouchoulas]

On Fri, 19 Jun 1998, Konstandinos Saipas wrote:

> Kalhmera linux users,
> energopoiwntas to scsi emulation ston kernel mazi me to Generic scsi
> support, gia ena ATAPI cdrw drive, poio device einai pleon ayto tou cdrw? 
> /dev/scd0?, Just in case pou den yparxei ayto to device, pws
> dhmiourgeitai? ( exei sxesh me to mknod? )

  Nai, exei sxesh me to mknod, alla to swsto script einai to /dev/MAKEDEV (h
isws /etc/MAKEDEV se orismena setups).

  To kat'eksoxhn swsto device gia ena SCSI CD-ROM einai to /dev/sr0 (SCSI
reader). To /dev/scd* den to exw dei pouthena ektos tou Linux, alla de bazw
kai to kefali mou sto koutsouro.

  Afto to device einai gia CD-ROM, oxi gia CD-R{,W}. Afto tha to breis sthn
SCSI Generic oikogeneia devices, /dev/sg*. An den exeis alles SCSI syskeves,
tha einai fysika /dev/sg0.


> p.s. parolo pou exw energopoihsei to emulation, kai pragmatika emfanizetai
> munhma sto boot, apo ton kernel oti briskei to cdrw, exakolouthw na exw
> prosbash se ayto san device /dev/hd* . Mhpws ayto shmainei oti kati den
> exw kanei opws tha eprepe?

  Oxi, mia xara ta exeis kanei an emfanizetai to mhnyma. O SCSI emulator
einai aplws ena front end sthn ATAPI syskevh (h opoia yposthrizei kapoies
SCSI entoles eswterika etsi ki alliws). Mporeis na kaneis kanonika mount
(read-only fysika) thn syskevh ws /dev/hd? h /dev/sr0. Alla gia grapsimo
mporeis na xrhsimopoihseis mono to /dev/sg0.

  Prosexe mono, giati s'ena systhma pou to kaname m'enan allo afto, yphrksan
diafora problhmata (crashes, periergh symperifora meta to grapsimo, lathi
sto grapsimo klp). Your mileage may vary.

A.

-------------------------- ,o88,o888o,,o888o. --------------------------------
Alexios Chouchoulas         '88    ,88'   ,88'   http://www.vennea.demon.co.uk 
The Unpronounceable One    ,o88oooo88ooooo88oo,     alexios at vennea.demon.co.uk

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