From: Keith Wolters (kowolters@gmail.com)
Date: Fri May 05 2006 - 13:48:52 EDT
Thanks to Darren for this explanation. I was indeed trying to
mount/copy from the slice itself. I should have broken the mirror but
copied from the detached metadevice instead of the underlying slice.
> What specifically were you trying to mount? The concat/stripe
> metadevice or the slice itself? From your description, there's no
> reason that you should have had an issue with mounting the metadevice.
>> - I got an error about a bad superblock
> I would expect that if you tried to mount the slice directly. Because
> the presence of the old replica meant that the metadevice was created at
> an offset from the beginning of the slice.
> (ans using the alternate superblocks did not help me either). Is there
> anything I should have done differently to not hose the partition by
> removing the metadb?
> I would need to see more specific information about what was done. Just
> removing the replica should have no effect on other data immediately.
> Of course if you later deleted the replica, you couldn't recreate it in
> the same location if the replica were gone. It would create it with no
> offset from the beginning of the slice. That's one reason that mixing
> replicas and metadevices on a slice isn't recommended.
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