Re: ran into rare bug: "unable to verify superblock, continuing..."

["Errikos Pitsos {secure}" <ep@xxxxxxxxxx>]

Eric Sandeen {u} wrote:
> Well, one way or another you got block 0 clobbered...
> I'm guessing that perhaps xfs_repair is finding an older superblock from
> your previous mkfs, and getting confused.  I'd let repair run to

This could very well be. Though I let the repair work for 30 mins and 
nothing of its output changed, always in this loop.


> completion and see if it finds other superblocks that are valid...
> that's my best suggestion for now.

 I'll let it run overnight.


> > 3. So resized 2 and 3, which naturally deleted the data on both of them. 
>
> I hope you re-ran mkfs at this point?

yup I had to force it though, as mkfs detected the old xfs partition 
even though I had stolen the first 2GB from it.


> > and put the hd back into the original laptop. She booted fine, grub, 
> > everything, but during kernel loading isn't able to mount the xfs. 
> > partition(root) I took the hd out again and tried mounting the hd on the 
> > system where I had copied the stuff from. Nothing works there either, so 
> > that's where I am now.
>
>
> I assume that if you repartitioned part3 (root), you probably also
> re-ran your bootloader.  Again, did you tell the bootloader to land on
> the mbr, or on a partition?

Nope I didn't run my boot loader again.
Grub jumps to the first partition and loads the kernel from there and 
all that went fine. All I did is rewrite the partition table for 
partition 2 and 3.

cheers,
e