[plug] re; bad block on disk

[JonL]

Andrew super information, thanks for taking the time to post this, I really 
appreciate it.


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From: "Andrew Cooks" <acooks at gmail.com>
Sent: Wednesday, June 06, 2012 10:30 AM
To: <plug at plug.org.au>
Subject: Re: [plug] re; bad block on disk

> Here's 8 steps I would take.
>
> 1. Add a working drive with sufficient free space to store everything
> on the failing drive. Use a drive with enough space for two copies if
> you can - one to try recovery tools on and a backup for when both the
> recovery tool and the drive fail catastrophically.
> 2. Boot from a livecd of some sort and note the new device names. I'll
> assume the bad drive is called /dev/sdb and a data partition called
> /dev/sdb1 exists.
> 3. Mount the working drive under /mnt.
> 4. Use 'dd' to copy each partition that you need to recover to a new
> file in /mnt/, using something like:
>    dd if=/dev/sdb1 of=/mnt/recover_sdb1 conv=noerror bs=1024k
> 5. make another copy if you have space.
> 6. While dd is running, read the reiserfsck man page again.
> 7. When dd is done, run reiserfsck on one of the new files.
> 8. Post progress, experience or questions to plug.
>
> Good luck.
>
> On Wed, Jun 6, 2012 at 9:38 AM, JonL <jonl711 at hotmail.com> wrote:
>> That is exactly what I want to do, however I guess my question would be 
>> is
>> it possible to copy all the data off of this drive/partition?  if I can 
>> get
>> the bad blocked marked and moved and the drive comes back up I would move
>> all important files off of it and re-install on a new disk.
>>
>> Jon
>>
>> --------------------------------------------------
>> From: "Leon Wright" <techman83 at gmail.com>
>> Sent: Wednesday, June 06, 2012 9:23 AM
>> To: <plug at plug.org.au>
>> Subject: Re: [plug] re; bad block on disk
>>
>>
>>> On Wed, Jun 6, 2012 at 8:34 AM, JonL <jonl711 at hotmail.com> wrote:
>>>>
>>>> Morning all,
>>>>
>>>> I have a problem on a drive in my main server and now the server does 
>>>> not
>>>> boot up.  The drive has a bad block and i was wondering if there are 
>>>> any
>>>> tools I can run to move this block.
>>>> What I've done so far:
>>>> I've run reiserfsck to check the drive partition, its a reiserfs file
>>>> system
>>>> (reiserfsch -CV /dev/sda2;
>>>> I've run the SuSE installation and selected repair system to try to fix
>>>> the
>>>> drive.
>>>> I've done all the steps up to step 5 on the following document
>>>> (http://smartmontools.sourceforge.net/badblockhowto.html#reiserfs_ex);
>>>> for
>>>> some reason it keeps stating that it has a bad starting block.
>>>
>>>
>>> I tend to go with the theory that if a drive is beginning to show
>>> errors, it's not worth trying to repair it as it will die properly in
>>> the not too distant future. Get a new disk, re-install and move your
>>> files across. That would be my advice regardless of platform.
>>>
>>> Leon
>>> _______________________________________________
>>> PLUG discussion list: plug at plug.org.au
>>> http://lists.plug.org.au/mailman/listinfo/plug
>>> Committee e-mail: committee at plug.org.au
>>> PLUG Membership: http://www.plug.org.au/membership
>>>
>> _______________________________________________
>> PLUG discussion list: plug at plug.org.au
>> http://lists.plug.org.au/mailman/listinfo/plug
>> Committee e-mail: committee at plug.org.au
>> PLUG Membership: http://www.plug.org.au/membership
> _______________________________________________
> PLUG discussion list: plug at plug.org.au
> http://lists.plug.org.au/mailman/listinfo/plug
> Committee e-mail: committee at plug.org.au
> PLUG Membership: http://www.plug.org.au/membership
>