On 15:09, Jim Paris wrote: > I guess the only way to be fully safe with the current approach is to > do a zero-superblock over and over until it complains. mdadm --zero-superblock tries to guess the location of the superblock. If more than one superblock is found, the one with the latest creation time is being zeroed. So yes, the method you describe works and I think it is the most reliable way to remove all superblocks of a device. Maybe we could teach mdadm --zero-superblock to honor the --metadata=x option which would zero-out the region of the device where the version-x superblock is located. Andre -- The only person who always got his work done by Friday was Robinson Crusoe
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