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Re: USB disks



I have experienced the same issue using USB hard drives when using Fedora. It's strange you have to reboot the OS. Is there anyone who knows how to avoid a reboot in these situations?

----- Original Message -----
From: "Margaret Doll" <Margaret_Doll brown edu>
To: "General Red Hat Linux discussion list" <redhat-list redhat com>
Sent: Wednesday, January 23, 2008 11:35:53 PM (GMT+0100) Europe/Berlin
Subject: Re: USB disks

Geofrey,

	 I found the problem.

	RedHat has to be booted.  The USB disk cannot have any electrical  
current to the disk.
Then connect the USB to the RedHat system.  Now plug the USB disk into  
the electrical
current to turn it on.

	You will see the disk listed using

lsusb

	Reboot your system and the USB disk is recognized as the old /dev/sdb  
again.

	I don't know why this works, but I am glad I have it working again.

	Thanks for all your  help.


On Jan 23, 2008, at 5:28 PM, Geofrey Rainey wrote:

> Try unplugging it, then type:
>
> # tail -f /var/log/messages
>
> Then plug it back in - you should see messages written to this file.
>
> -----Original Message-----
> From: redhat-list-bounces redhat com
> [mailto:redhat-list-bounces redhat com] On Behalf Of Margaret Doll
> Sent: Thursday, 24 January 2008 10:54 a.m.
> To: General Red Hat Linux discussion list
> Subject: Re: USB disks
>
> Nope.  I just see the system disk.
>
> On Jan 23, 2008, at 4:48 PM, Geofrey Rainey wrote:
>
>> The device might have changed names - from /dev/sdb to /dev/sda/c/d/e
>> etc
>>
>> Can you see the device with:
>>
>> # fdisk -l
>>
>> -----Original Message-----
>> From: redhat-list-bounces redhat com
>> [mailto:redhat-list-bounces redhat com] On Behalf Of Margaret Doll
>> Sent: Thursday, 24 January 2008 10:37 a.m.
>> To: General Red Hat Linux discussion list
>> Subject: USB disks
>>
>> I have a laCie auxiliary disk which has been working on a 2.4.21-53
>> RedHat system.  The disk was accidently turned off  during the
>> afternoon.  Now  I cannot get the  device recognized by  the system
>> again.  The  system can't  open /dev/sdb.
>>
>> I was able to mount the disk on  a newer RedHat system, but I need to
>> get it working on the previous  system.
>>
>> What  should I do next?
>>
>>
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