[Tfug] fsck question

[Jon]

On Wed, 1 Jun 2011 21:28:37 -0700, Tom Rini wrote:
> On Wed, Jun 1, 2011 at 8:58 PM,  <bigj at voipmogul.net> wrote:
>> So after a reboot my system decided it needed to fsck an ext3 volume 
>> used
>> for data and it has found errors like this:
>>
>> Pass 1: Checking inodes, blocks, and sizes
>> Inode 1245190 has illegal block(s).  Clear<y>?
>>
>> In all my years I've just cleared the block but since this data has 
>> a little
>> more importance I figured I would ask, should I be clearing this? My 
>> hunch
>> is clearing that bad blocks will most likely ruin whatever data 
>> resided
>> there. Correct? Any other actions I can take?
>
> So, the disk itself, how bad is it?  Unknown?  You can try e2fsck -n
> to see just how many there are going to be and also perhaps play with
> -c to fiddle with badblocks.  But at the end of the day (baring
> expensive stuff), you're going to have some holes in your data,
> somewhere.  Or at least that's my recollection + quick googling.

There isn't too many illegal blocks. I _think_ these came from too many 
improper shutdowns of the computer. I fully expect to lose some data 
<insert explicative) but oh well. I just wasn't sure if there was a way 
to dd the data to another partition before I start clearing inodes and 
such.