Re: Lost Drive?

[John Corey <whoop@mtco.com>]

cloudmaster wrote:
> 
> Today I installed a new motherboard/proc(s) combo, and now I don't seem to
> have a superblock on one of my drives, thus it's not happily mountable.
> Fsck also isn't real happy with that little problem.  I've yet to figure
> out what happened to it.  I guess the heat of 3 drives real close must've
> done soemthing, as it worked initialy, and when I unplug it I no longer get
> DMA errors on the other drives...
> 
> Anyway, there oughtta be backup superblocks all over that disk, does anyone
> know how in th eheck I figure out where?  Should I just start running
> "fsck -b $BLOCK /dev/hdd1" with an ever increasing value in $BLOCK, or is
> there a less obtuse way that's not so hideous? :)

Let's see, the superblocks are put every x * 8k + 1.  So, 1, 8k+1,
16k+1, 24k+1, etc.  Though I can't say it'll work.  The one time I had
to use this it just kept refusing, so I just did a complete reformat and
went on my way...

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