Unable to detect USB External Drive in CentOS

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Nishith Vyas

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May 4, 2011, 7:21:16 AM5/4/11
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Hello,

Suddenly, my linux system don't detect any type of external USB drives. Though USB Mouse & Keyboard is working fine, but USB Pen Drive & External Hard Drive is not accessible by Linux. I haven't any kernel level message in "tail -f /var/log/messages"

But, my "lsusb" command is giving below output.

Bus 002 Device 005: ID 04b3:310c IBM Corp. Wheel Mouse
Bus 002 Device 004: ID 04b3:3005 IBM Corp.
Bus 002 Device 003: ID 04b3:3006 IBM Corp.
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 004: ID 04cf:8818 Myson Century, Inc. USB2.0 to ATAPI Bridge Controller  - This is my external usb drive.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


Please let me know how to configure USB Drive in CentOS.






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With Best Regards,

Nishith N.Vyas
Ahmedabad

gaurav patel

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May 4, 2011, 10:50:57 AM5/4/11
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Hi
May i know what is the output of fstab after plugging the usb(Pendrive)?


 

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ElectroMech

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May 5, 2011, 1:59:33 AM5/5/11
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Hi,

On Wed, May 4, 2011 at 4:51 PM, Nishith Vyas <nishit...@gmail.com> wrote:
Hello,

Suddenly, my linux system don't detect any type of external USB drives. Though USB Mouse & Keyboard is working fine, but USB Pen Drive & External Hard Drive is not accessible by Linux. I haven't any kernel level message in "tail -f /var/log/messages"

But, my "lsusb" command is giving below output.

Bus 002 Device 005: ID 04b3:310c IBM Corp. Wheel Mouse
Bus 002 Device 004: ID 04b3:3005 IBM Corp.
Bus 002 Device 003: ID 04b3:3006 IBM Corp.
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 004: ID 04cf:8818 Myson Century, Inc. USB2.0 to ATAPI Bridge Controller  - This is my external usb drive.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


Please check fdisk -l, whether you get one more storage device like /dev/sdb or /dev/sdc or /dev/sda.

If it is then mount the the partition of that drive on /mnt and use it.

 
Please let me know how to configure USB Drive in CentOS.






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With Best Regards,

Nishith N.Vyas
Ahmedabad

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ElectroMech
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Nishith Vyas

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May 6, 2011, 3:51:51 AM5/6/11
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Hello. I got the solution. I don't know the exact problem & still my kernel message don't show detected hardware devices. I have used below 3 commands & rebooted linux. All worked well on my Fedora 14 & CentOS 5.2

modprobe usb-storage
modprobe usb-uhci
modprobe usb-ohci


Regards,
Nishith
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