On Wed, Dec 06, 2017 at 03:33:36PM +1100, Jeremy Graham wrote: > How do I "manually regenerate content for each block in BBL's and then > manually zero the lists in superblocks"? This is uncharted (and > slightly scary) territory for me. You don't. Just mdadm --assemble it with --update=force-no-bbl here. If you have a filesystem with bad blocks management on top of it, check that too and clear it if necessary. Regards Andreas Klauer -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html