LinuxQuestions.org
Help answer threads with 0 replies.
Go Back   LinuxQuestions.org > Forums > Linux Forums > Linux - Newbie
User Name
Password
Linux - Newbie This Linux forum is for members that are new to Linux.
Just starting out and have a question? If it is not in the man pages or the how-to's this is the place!

Notices


Reply
  Search this Thread
Old 02-06-2015, 11:09 AM   #16
suicidaleggroll
LQ Guru
 
Registered: Nov 2010
Location: Colorado
Distribution: OpenSUSE, CentOS
Posts: 5,258

Rep: Reputation: 1947Reputation: 1947Reputation: 1947Reputation: 1947Reputation: 1947Reputation: 1947Reputation: 1947Reputation: 1947Reputation: 1947Reputation: 1947Reputation: 1947

I'm not seeing anything related to a second hard drive or even a USB-attached storage device at all.

As rknichols said, Could this be a drive that requires auxiliary power, perhaps one of those ones with a double USB plug to provide extra power from a second port?
 
Old 02-06-2015, 11:32 AM   #17
rknichols
Senior Member
 
Registered: Aug 2009
Distribution: CentOS
Posts: 2,957

Rep: Reputation: 1267Reputation: 1267Reputation: 1267Reputation: 1267Reputation: 1267Reputation: 1267Reputation: 1267Reputation: 1267Reputation: 1267
When you are looking at /var/log/messages, you are doing that on that remote system, right? (I ask because that listing showing the hub, keyboard, and mouse being disconnected/reconnected sure looks like you did it on your local system.)

On the remote system, please run the "lsusb" command and post the output.

If, on that system, someone has done the equivalent of "Safely Remove Drive" on that device, then the USB port has been deactivated and will not respond again until either the cable has been disconnected and reconnected or else the system is rebooted. I've run into that problem with a front panel SD card reader that is connected to the motherboard via an internal USB plug. "Safely Remove Drive" on that device leaves it unusable until either the case is opened so that the connection to the motherboard can be removed/reinserted or else the system is rebooted.
 
1 members found this post helpful.
Old 02-07-2015, 12:16 AM   #18
prakash_kumar
LQ Newbie
 
Registered: Jan 2015
Posts: 24

Original Poster
Rep: Reputation: Disabled
Please find below the output of lsusb command

[root@bkpdrill ~]# lsusb
Bus 003 Device 001: ID 0000:0000
Bus 002 Device 001: ID 0000:0000
Bus 001 Device 001: ID 0000:0000
Bus 004 Device 001: ID 0000:0000
Bus 005 Device 001: ID 0000:0000
 
Old 02-07-2015, 10:16 AM   #19
rknichols
Senior Member
 
Registered: Aug 2009
Distribution: CentOS
Posts: 2,957

Rep: Reputation: 1267Reputation: 1267Reputation: 1267Reputation: 1267Reputation: 1267Reputation: 1267Reputation: 1267Reputation: 1267Reputation: 1267
That is showing nothing but the internal root hubs in the machine -- no attached devices. Either (a) your external drive is disconnected or lacks power, or (b) the USB port where it is connected has been disabled. Rebooting or disconnecting/reconnecting the cable would solve "b". Someone would have to be physically present to solve "a".
 
1 members found this post helpful.
  


Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off



Similar Threads
Thread Thread Starter Forum Replies Last Post
Format /dev/sdb1 fails but /dev/sdb succeeds? Lop3 Linux - Hardware 2 02-09-2014 06:06 PM
My pendrive suddenly changed from /dev/sda1 to /dev/sdb1! stf92 Slackware 10 08-08-2012 06:02 PM
mdadm --manage /dev/md0 --add /dev/sdb1 returns device busy JeepingAZ Linux - Desktop 2 02-17-2011 01:18 PM
USB Detection; when /dev/sda1 or /dev/sdb1 ravime Linux - Hardware 6 09-12-2007 07:15 AM
why I can't find /dev/sdb1 in fdisk -l breeze027 Linux - Server 1 08-02-2007 05:44 AM


All times are GMT -5. The time now is 09:53 AM.

Main Menu
Advertisement
My LQ
Write for LQ
LinuxQuestions.org is looking for people interested in writing Editorials, Articles, Reviews, and more. If you'd like to contribute content, let us know.
Main Menu
Syndicate
RSS1  Latest Threads
RSS1  LQ News
Twitter: @linuxquestions
Facebook: linuxquestions Google+: linuxquestions
Open Source Consulting | Domain Registration