It seems disk is not Enumerated completely.
Before using /proc/bus/usb, we need to mount the usbdevfs as
mount -t usbdevfs 0 /proc/bus/usb
Kernal should be compiled with usbdevfs support.
Then cat /proc/bus/usb/devices will give the details of Enumerated devices.
Once the Enumeration of the disk is done, Linux recognize it as /dev/hda , or /dev/hdb
etc..
We can format it using fdisk /dev/hdx( identify "x" before doing it)
mounting can be done using mount -t (Filesystem) /dev/hdx /(mount point eg; /mnt )
Regards,
Sreekumar CM
Philips Semiconductors,
Singapore
"J.S.Sahambi"
<[EMAIL PROTECTED]> To:
[EMAIL PROTECTED]
Sent by: cc: (bcc:
Sreekumar CM/SGP/SC/PHILIPS)
[EMAIL PROTECTED] Subject:
[Linux-usb-users] how to use Argosy HD 530 (usb hard disk 10 GB)
ceforge.net
Classification:
09/05/2002 05:41 PM
I have a 10 GB hard disk (Argosy 530). I am trying to interface it to my
Dehian system.
Here the info from my PC:
I am using Debian (testing) on a PIV machine
when I plug the usb cable of Hard disk i get the following in
/var/log/messages:
*************
Sep 5 10:35:08 ws97 -- MARK --
Sep 5 10:47:43 ws97 kernel: hub.c: USB new device connect on bus1/1,
assigned device number 3
Sep 5 10:47:43 ws97 kernel: usb.c: USB device 3 (vend/prod 0x4ce/0x2)
is not claimed by any active driver.
*****************
Now I will show the modules allready loaded:
ws97:~# lsmod
Module Size Used by Not tainted
usb-uhci 20708 0 (unused)
usbcore 48032 0 [usb-storage usb-uhci]
ide-scsi 7488 0
parport_pc 25160 1 (autoclean)
lp 6400 0 (autoclean)
parport 21664 1 (autoclean) [parport_pc lp]
nls_cp437 4384 4 (autoclean)
cmpci 26040 0
soundcore 3236 2 [cmpci]
Then I load the module usb-storage with : modprobe usb-storage
and the outpot of /var/log/messages is:
*****************
Sep 5 10:15:08 ws97 -- MARK --
Sep 5 10:35:08 ws97 -- MARK --
Sep 5 10:47:43 ws97 kernel: hub.c: USB new device connect on bus1/1,
assigned device number 3
Sep 5 10:47:43 ws97 kernel: usb.c: USB device 3 (vend/prod 0x4ce/0x2)
is not claimed by any active driver.
Sep 5 10:49:17 ws97 kernel: Initializing USB Mass Storage driver...
Sep 5 10:49:17 ws97 kernel: usb.c: registered new driver usb-storage
Sep 5 10:49:17 ws97 kernel: scsi1 : SCSI emulation for USB Mass Storage
devices
Sep 5 10:49:35 ws97 kernel: usb.c: USB disconnect on device 3
Sep 5 10:49:35 ws97 kernel: usb-uhci.c: interrupt, status 2, frame# 1986
Sep 5 10:49:35 ws97 kernel: hub.c: USB new device connect on bus1/1,
assigned device number 4
Sep 5 10:49:50 ws97 kernel: scsi: device set offline - command error
recover failed: host 1 channel 0 id 0 lun 0
Sep 5 10:49:50 ws97 kernel: USB Mass Storage support registered.
Sep 5 10:49:50 ws97 kernel: scsi2 : SCSI emulation for USB Mass Storage
devices
*****************
output of cat /proc/scsi/scsi
*************
ws97:~# cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: YAMAHA Model: CRW2200E Rev: 1.0D
Type: CD-ROM ANSI SCSI revision: 02
Host: scsi2 Channel: 00 Id: 00 Lun: 00
Vendor: Model: Rev:
Type: <NULL> ANSI SCSI revision: ffffffff
*************
The direcotry contents of /proc/scsi:
jsahambi@ws97:/proc/scsi$ ll /proc/scsi
total 0
dr-xr-xr-x 2 root root 0 Sep 5 11:06 ide-scsi
-r--r--r-- 1 root root 0 Sep 5 11:06 scsi
dr-xr-xr-x 2 root root 0 Sep 5 11:06 usb-storage-0
dr-xr-xr-x 2 root root 0 Sep 5 11:06 usb-storage-1
The direcotry contents of /proc/bus/usb:
jsahambi@ws97:~$ ll /proc/bus/usb/
total 0
Now i like to know :
1. Is the hard disk being recognized by the linux?
2. If yes, how to mount it for accessing it?
Thanking in advance
J S Sahambi
--
Dr. J. S. Sahambi
Assistant Professor
Dept. of Electronics & Communication Engg.
Indian Institute of Technology,
Guwahati 781039, Assam, INDIA
Phone(o) : +91-361-690321 Ext. 2055,
(R) : +91-361-690940
Fax : +91-361-690762,
Email : [EMAIL PROTECTED]
: [EMAIL PROTECTED]
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