Ext2 on software raid5(double fault), inode table issue

Hi All,

In short this is what happend.

I have a software raid system 3+1 and had a 2 drive failure, (seagates that 
intermittently failed).

The problem I am experiencing is that the inode tables has mysteriously moved.

at first I thought it was the raid cluster size because of the fact that most 
was 64 sectors, but investigating further it does look like there is patterns 
in the movement and it varies between 0 sectors, 56, 64, 104, 128 up to 232 
sectors.

I can put my spreadsheet i've used online for further inspection.

Also I wrote a little perl script that will give u inode table sector no and 
offset from the inode index value.

Any ideas of what I can do the fix this.

I have a couple of documentaries on the disc and was thinking of using that 
data to try and work out how the data moved.

Any ideas of why it would have happend?

For instance:
Raid Cluster where data is	raid cluster where it should be
8190				8192
8191				8190
8192				8191


Regards
Leon


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