[mythtv] scsi, firewire drive and usb drive

Joseph A. Caputo jcaputo1 at comcast.net
Tue Jul 20 08:57:11 EDT 2004


On Tuesday 20 July 2004 03:42, Xavier Hervy wrote:
> Thanks Jopseph for the test.
> I notice then that the number in /proc/scsi/ide-scsi/1
> /proc/scsi/sbp2_0/0 path don't allow me to know the /dev/sd or
> /dev/sg device.
> I will only scan /dev/sd device because i know that device map on it
> are only hard drive (don't need to ask to /dev/sg).
> I'm pretty sure the the number change if you plug your firewire after
> boot but don't need to try it. It change nothing for me to know that.

Well, I already did it last night, so here are the results from a cold 
reboot with me plugging in the firewire drive *after* the machine 
booted completely:

-JAC

./scsionsg
try on /dev/sg0
Unit ready
lun 0 0
host_no 0
channel 0
scsi_is (null) 
lun 0 
id scsitype 5 
 autre
try on /dev/sg1
Unit ready
lun 16777216 0
host_no 1
channel 0
scsi_is (null) 
lun 0 
id scsitype 0 
 DISK
try on /dev/sg2
Can't open device
try on /dev/sg3
Can't open device
try on /dev/sg4
Can't open device
try on /dev/sg5
Can't open device
try on /dev/sg6
Can't open device
try on /dev/sg7
Can't open device
try on /dev/sg8
Can't open device
try on /dev/sg9
Can't open device



./scsionsg
try on /dev/sda
Unit ready
lun 16777216 0
SG_GET_SCSI_ID Failed
try on /dev/sdb
Can't open device
try on /dev/sdc
Can't open device
try on /dev/sdd
Can't open device
try on /dev/sde
Can't open device
try on /dev/sdf
Can't open device
try on /dev/sdg
Can't open device
try on /dev/sdh
Can't open device
try on /dev/sdi
Can't open device
try on /dev/sdj
Can't open device
try on /dev/sdk
Can't open device
try on /dev/sdl
Can't open device
try on /dev/sdm
Can't open device
try on /dev/sdn
Can't open device
try on /dev/sdo
Can't open device
try on /dev/sdp
Can't open device
try on /dev/sdq
Can't open device
try on /dev/sdr
Can't open device
try on /dev/sds
Can't open device
try on /dev/sdt
Can't open device
try on /dev/sdu
Can't open device
try on /dev/sdv
Can't open device
try on /dev/sdw
Can't open device
try on /dev/sdx
Can't open device
try on /dev/sdy
Can't open device
try on /dev/sdz
Can't open device


cat /proc/scsi/scsi

Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
  Vendor: CREATIVE Model: CD-RW RW8432E    Rev: 1.05
  Type:   CD-ROM                           ANSI SCSI revision: 02
Host: scsi1 Channel: 00 Id: 00 Lun: 00
  Vendor: WDC WD12 Model: 00BB-00CAA1      Rev:
  Type:   Direct-Access                    ANSI SCSI revision: 06


cat /proc/scsi/ide-scsi/0

SCSI host adapter emulation for IDE ATAPI devices


cat /proc/scsi/sbp2_0/1

Host scsi1             : SBP-2 IEEE-1394 (ohci1394)

Module options         :
  max_speed            : S800
  max_sectors          : 255
  serialize_io         : no
  exclusive_login      : yes

Attached devices       :
  [Channel: 00, Id: 00, Lun: 00]  Direct-Access     WDC WD12 00BB-00CAA1



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