you can check the /var/log/messages, generated after enumeration of the disk.
It could be /dev/sda , /dev/sdb,..also.
Regards,
Sreekumar CM
Andrei Tsaregorodtsev
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[Linux-usb-users] USB external disk use
ceforge.net
Classification:
07/22/2002 04:52 PM
Hello,
I am trying to get my external USB hard disk to work under linux
RedHat 7.3
on a DELL/Latitude laptop. I have loaded the necessary kernel modules
(usbcore, usb-storage, uhci):
> /sbin/lsmod
Module Size Used by Tainted: PF
usb-storage 58156 0
uhci 27688 0 (unused)
usbcore 73152 1 [usb-storage uhci]
sr_mod 16920 0 (autoclean)
maestro 30144 0 (autoclean)
soundcore 6692 2 (autoclean) [maestro]
binfmt_misc 7556 1
autofs 12164 0 (autoclean) (unused)
xircom_cb 8128 1
ds 8608 2
yenta_socket 12384 2
pcmcia_core 50752 0 [ds yenta_socket]
ide-scsi 9664 1
scsi_mod 108608 3 [usb-storage sr_mod ide-scsi]
ide-cd 30272 0
cdrom 32192 0 [sr_mod ide-cd]
nls_iso8859-1 3488 1 (autoclean)
nls_cp437 5120 1 (autoclean)
vfat 12092 1 (autoclean)
fat 37400 0 (autoclean) [vfat]
ext3 67136 2
jbd 49400 2 [ext3]
I have mounted the usbdevfs system on /proc/bus/usb. The contents of the
devices file
is showing my USB storage:
> cat /proc/bus/usb/devices
T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=0000 ProdID=0000 Rev= 0.00
S: Product=USB UHCI-alt Root Hub
S: SerialNumber=dce0
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms
T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 3 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=04ce ProdID=0002 Rev= 2.60
S: Manufacturer=ScanLogic USBIDE
S: Product=ScanLogic USBIDE
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl= 0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl= 0ms
And the drivers:
> cat /proc/bus/usb/drivers
usbdevfs
hub
usb-storage
I can get the device description with lsusb command. I also have the
corresponding scsi
directory /proc/scsi/usb-storage-0. With the following contents:
> cat /proc/scsi/usb-storage-0/1
Host scsi1: usb-storage
Vendor: ScanLogic USBIDE
Product: ScanLogic USBIDE
Serial Number: None
Protocol: Transparent SCSI
Transport: Bulk
GUID: 04ce00020000000000000000
Attached: Yes
However I can not mount the disk as I can not find to which device file
it is attached.
It does not seem to be attached to any /dev/* file as all my attempts
end up with
"not a valid block device" message. How can I get/find a proper device
file to mount
the disk ?
Thanks in advance for your help,
Andrei Tsaregorodtsev
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