Re: Recover RAID

[Christopher Chan <christopher.chan@xxxxxxxxxxxxxxx>]

On Thursday, March 04, 2010 11:33 AM, nate wrote:
> Jeff Sadino wrote:
>> Ok, I'm learning a lot about raids and what to do, and what not to do.
>> Looking at some info I had before, md1 was 200GB in size, which makes sense,
>> but it was only 39GB full.  The way I repartitioned drive 1, I probably
>> overwrote only about 11GB.  Does that make it any easier to recover any
>> amount of the raid?  Is there some sort of "recover lost partitions" option
>> in Linux or gparted?
>
> The partition is just a map, if you can re-create the partition
> exactly the way it was before, the data should still be there if
> it wasn't overwritten.

That problem was that he had it formatted as ext3...


>
> But as far as I know there isn't a backup stored of the partition
> table, if the disk is exactly the same as the other member, then you
> can try duplicating the partition setup using the first disk as
> a guide.

+1


>
> I don't know whether or not it will help restore a RAID 0 set,
> but may be worth a shot since the situation probably can't get
> much worse.


Just hope that the ext3 format only hit blocks contain non-essential 
data...and nothing related to filesystem structure and yada, yada
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