Re: USB HD (Ext4) does not auto-mount anymore

2012-09-07 Thread nomnex
 On Fri, 07 Sep 2012 13:52:14 +0800
 Ed Greshko ed.gres...@greshko.com wrote:

snip

 You said you pulled it out violently.  Have you tried a different
 cable?  Different USB Port?
 
 The log entries don't seem to indicate that there is a problem
 reading the drive but more of a communication problem with the drive. 

The only thing I did not try was changing the short USB cord that
connect the HD drive to the USB cord extension. Ed, that did it!!

Thanks for the quick responses.

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Re: USB HD (Ext4) does not auto-mount anymore

2012-09-07 Thread nomnex
 On Fri, 07 Sep 2012 13:52:14 +0800
 Ed Greshko ed.gres...@greshko.com wrote:

snip

 You said you pulled it out violently.  Have you tried a different
 cable?  Different USB Port?
 
 The log entries don't seem to indicate that there is a problem
 reading the drive but more of a communication problem with the drive. 

The only thing I did not try was changing the short USB cord that
connect the HD drive to the USB cord extension. Ed, that did it!!

Thanks for the quick responses.

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Re: USB HD (Ext4) does not auto-mount anymore

2012-09-07 Thread Mateusz Marzantowicz
On 07.09.2012 08:20, nomnex wrote:
 On Fri, 07 Sep 2012 13:52:14 +0800
 Ed Greshko ed.gres...@greshko.com wrote:
 snip

 You said you pulled it out violently.  Have you tried a different
 cable?  Different USB Port?

 The log entries don't seem to indicate that there is a problem
 reading the drive but more of a communication problem with the drive. 
 The only thing I did not try was changing the short USB cord that
 connect the HD drive to the USB cord extension. Ed, that did it!!

 Thanks for the quick responses.


Now, that you have working USB drive, check it with fsck.ext4 to
see/repair any file system inconsistencies that might have occurred
during this violent unplug action. Some people might also recommend
doing image of valuable data partition (using dd) before running fsck.


Mateusz Marzantowicz
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Re: USB HD (Ext4) does not auto-mount anymore

2012-09-07 Thread nomnex
 On Fri, 07 Sep 2012 08:52:46 +0200
 Mateusz Marzantowicz mmarzantow...@osdf.com.pl wrote:

snip

 Now, that you have working USB drive, check it with fsck.ext4 to
 see/repair any file system inconsistencies that might have occurred
 during this violent unplug action. Some people might also recommend
 doing image of valuable data partition (using dd) before running fsck.

Thank you for the advice. It must take some time to check 1T HD on a
celeron with 512 ram. I will probably do that at night.

I guess, the drive should not be mounted when I check. My USB drive is
mounted in /media, and the file manager has to options
a. Mount
b. Eject -- is it enough

Could you help with the correct syntax ? Do I need some of emergency
switches below?

Usage: fsck.ext4 [-panyrcdfvtDFV] [-b superblock] [-B blocksize]
[-I inode_buffer_blocks] [-P process_inode_size]
[-l|-L bad_blocks_file] [-C fd] [-j external_journal]
[-E extended-options] device

Emergency help:
 -p   Automatic repair (no questions)
 -n   Make no changes to the filesystem
 -y   Assume yes to all questions
 -c   Check for bad blocks and add them to the badblock
list -f   Force checking even if filesystem is marked
clean -v   Be verbose
 -b superblockUse alternative superblock
 -B blocksize Force blocksize when looking for superblock
 -j external_journal  Set location of the external journal
 -l bad_blocks_file   Add to badblocks list
 -L bad_blocks_file   Set badblocks list

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Re: USB HD (Ext4) does not auto-mount anymore

2012-09-07 Thread Mateusz Marzantowicz
On 07.09.2012 10:08, nomnex wrote:
 On Fri, 07 Sep 2012 08:52:46 +0200
 Mateusz Marzantowicz mmarzantow...@osdf.com.pl wrote:
 snip

 Now, that you have working USB drive, check it with fsck.ext4 to
 see/repair any file system inconsistencies that might have occurred
 during this violent unplug action. Some people might also recommend
 doing image of valuable data partition (using dd) before running fsck.
 Thank you for the advice. It must take some time to check 1T HD on a
 celeron with 512 ram. I will probably do that at night.

 I guess, the drive should not be mounted when I check. My USB drive is
 mounted in /media, and the file manager has to options
 a. Mount
 b. Eject -- is it enough

Yes, media must not be mounted during fsck check (or at last not in
read-write mode). You'll probably use system console so it's convenient
to use commands like: mount (without options shows mounted file systems)
and umount.


 Could you help with the correct syntax ? Do I need some of emergency
 switches below?


I think  fsck.ext4 -f -p /device  would be sufficient and should repair
all common problems. If something really bad happened to your file
system, you'll be informed.


Mateusz Marzantowicz
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Re: USB HD (Ext4) does not auto-mount anymore

2012-09-07 Thread Alan Cox
On Fri, 7 Sep 2012 13:42:40 +0900
nomnex nom...@gmail.com wrote:

 Fedora 15 XFCE (the file manager is Thunar). I use an external USB HD
 (formatted Ext4, same as my system) to backup my system. The drive
 auto-mounts when I turn the notebook on.
 
 I violently pulled the USB cable by accident. Both the drive and the
 external HD were transferring data when it happened.
 
 I turned off both devices, I checked the USB cable and the USB
 sockets. After re-booting, the external drive starts, but it does
 appears anymore in my file manager. I tried with a second portable USB
 HD (also formatted Ext4). The lead turns green, but it does not
 auto-mount either.
 
 I tried with a USB stick (Fat32). I can see this drive in the file
 manager.
 
 How do I troubleshoot that?

If you get a light it probably means you've got power, but not
necessarily any other signals.

Stuff the thing in, and see what is logged in dmesg when you do so

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Re: USB HD (Ext4) does not auto-mount anymore

2012-09-07 Thread nomnex
 On Fri, 07 Sep 2012 11:48:19 +0200
 Mateusz Marzantowicz mmarzantow...@osdf.com.pl wrote:

snip

 Yes, media must not be mounted during fsck check (or at last not in
 read-write mode). You'll probably use system console so it's
 convenient to use commands like: mount (without options shows mounted
 file systems) and umount.
 
 
  Could you help with the correct syntax ? Do I need some of emergency
  switches below?
 
 
 I think  fsck.ext4 -f -p /device  would be sufficient and should
 repair all common problems. If something really bad happened to your
 file system, you'll be informed.

Thank you Mateusz

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Re: USB HD (Ext4) does not auto-mount anymore

2012-09-06 Thread Ed Greshko
On 09/07/2012 12:42 PM, nomnex wrote:
 Fedora 15 XFCE (the file manager is Thunar). I use an external USB HD
 (formatted Ext4, same as my system) to backup my system. The drive
 auto-mounts when I turn the notebook on.

 I violently pulled the USB cable by accident. Both the drive and the
 external HD were transferring data when it happened.

 I turned off both devices, I checked the USB cable and the USB
 sockets. After re-booting, the external drive starts, but it does
 appears anymore in my file manager. I tried with a second portable USB
 HD (also formatted Ext4). The lead turns green, but it does not
 auto-mount either.

 I tried with a USB stick (Fat32). I can see this drive in the file
 manager.

 How do I troubleshoot that?


unplug the drive
tailf /var/log/messages
plug-in the drive

-- 
Programming today is a race between software engineers striving to build bigger 
and better idiot-proof programs, and the Universe trying to produce bigger and 
better idiots. So far, the Universe is winning. -- Rick Cook, The Wizardry 
Compiled
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Re: USB HD (Ext4) does not auto-mount anymore

2012-09-06 Thread nomnex
 On Fri, 07 Sep 2012 13:08:06 +0800
 Ed Greshko ed.gres...@greshko.com wrote:

 On 09/07/2012 12:42 PM, nomnex wrote:
  Fedora 15 XFCE (the file manager is Thunar). I use an external USB
  HD (formatted Ext4, same as my system) to backup my system. The
  drive auto-mounts when I turn the notebook on.
 
  I violently pulled the USB cable by accident. Both the drive and the
  external HD were transferring data when it happened.
 
  I turned off both devices, I checked the USB cable and the USB
  sockets. After re-booting, the external drive starts, but it does
  appears anymore in my file manager. I tried with a second portable
  USB HD (also formatted Ext4). The lead turns green, but it does not
  auto-mount either.
 
  I tried with a USB stick (Fat32). I can see this drive in the file
  manager.
 
  How do I troubleshoot that?
 
 
 unplug the drive
 tailf /var/log/messages
 plug-in the drive
 
Thank you,

Log attached.

I can see the portable USB HD (Ext4) in the file manager.

The USB drive I pulled the USB cable out is a 1T Backup driver. It
contains everything...

I pug the drive in another notebook, running the same OS. The drive does
not appear.

Can pulling out a USB cable damage a partition table. I am worry now.

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Freenode: nomnex
Registered Linux user #505281. Be counted at: http://linuxcounter.net
Sep  7 14:18:28 nh28d kernel: [ 5691.422077] usb 3-2: device descriptor 
read/64, error -62
Sep  7 14:18:28 nh28d kernel: [ 5691.688077] usb 3-2: device descriptor 
read/64, error -62
Sep  7 14:18:28 nh28d kernel: [ 5691.946084] usb 3-2: new full-speed USB device 
number 24 using ohci_hcd
Sep  7 14:18:29 nh28d kernel: [ 5692.111084] usb 3-2: device descriptor 
read/64, error -62
Sep  7 14:18:29 nh28d kernel: [ 5692.377067] usb 3-2: device descriptor 
read/64, error -62
Sep  7 14:18:29 nh28d kernel: [ 5692.635077] usb 3-2: new full-speed USB device 
number 25 using ohci_hcd
Sep  7 14:18:29 nh28d kernel: [ 5693.039073] usb 3-2: device not accepting 
address 25, error -62
Sep  7 14:18:30 nh28d kernel: [ 5693.196062] usb 3-2: new full-speed USB device 
number 26 using ohci_hcd
Sep  7 14:18:30 nh28d kernel: [ 5693.600077] usb 3-2: device not accepting 
address 26, error -62
Sep  7 14:18:30 nh28d kernel: [ 5693.600109] hub 3-0:1.0: unable to enumerate 
USB device on port 2
Sep  7 14:21:20 nh28d kernel: [ 5863.378081] usb 3-2: new full-speed USB device 
number 27 using ohci_hcd
Sep  7 14:21:20 nh28d kernel: [ 5863.543073] usb 3-2: device descriptor 
read/64, error -62
Sep  7 14:21:20 nh28d kernel: [ 5863.809101] usb 3-2: device descriptor 
read/64, error -62
Sep  7 14:21:21 nh28d kernel: [ 5864.067091] usb 3-2: new full-speed USB device 
number 28 using ohci_hcd
Sep  7 14:21:21 nh28d kernel: [ 5864.232068] usb 3-2: device descriptor 
read/64, error -62
Sep  7 14:21:21 nh28d kernel: [ 5864.498063] usb 3-2: device descriptor 
read/64, error -62
Sep  7 14:21:21 nh28d kernel: [ 5864.756077] usb 3-2: new full-speed USB device 
number 29 using ohci_hcd
Sep  7 14:21:22 nh28d kernel: [ 5865.160073] usb 3-2: device not accepting 
address 29, error -62
Sep  7 14:21:22 nh28d kernel: [ 5865.317104] usb 3-2: new full-speed USB device 
number 30 using ohci_hcd
Sep  7 14:21:22 nh28d kernel: [ 5865.721067] usb 3-2: device not accepting 
address 30, error -62
Sep  7 14:21:22 nh28d kernel: [ 5865.721098] hub 3-0:1.0: unable to enumerate 
USB device on port 2
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Re: USB HD (Ext4) does not auto-mount anymore

2012-09-06 Thread Ed Greshko
On 09/07/2012 01:38 PM, nomnex wrote:
 Log attached.

 I can see the portable USB HD (Ext4) in the file manager.

 The USB drive I pulled the USB cable out is a 1T Backup driver. It
 contains everything...

 I pug the drive in another notebook, running the same OS. The drive does
 not appear.

 Can pulling out a USB cable damage a partition table. I am worry now.

You said you pulled it out violently.  Have you tried a different cable?  
Different USB Port?

The log entries don't seem to indicate that there is a problem reading the 
drive but more of a communication problem with the drive. 

-- 
Programming today is a race between software engineers striving to build bigger 
and better idiot-proof programs, and the Universe trying to produce bigger and 
better idiots. So far, the Universe is winning. -- Rick Cook, The Wizardry 
Compiled
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