On Fri, Dec 06, 2013 at 08:53:10PM +0100, Steinar H. Gunderson wrote: > <superblock uuid="" block_size="512" nr_cache_blocks="865560" policy="cleaner" hint_width="4"> > <mappings> > <mapping cache_block="0" origin_block="6118373" dirty="false"/> > <mapping cache_block="1" origin_block="6118275" dirty="false"/> > <mapping cache_block="2" origin_block="5934780" dirty="false"/> > [... lots of blocks, none of them dirty ...] > <mapping cache_block="505877" origin_block="889613" dirty="false"/> > <mapping cache_block="505878" origin_block="690575" dirty="false"/> > <mapping cache_block="505879" origin_block="875752" dirty="false"/> > </mappings> OK, so since all blocks were marked as non-dirty, I wiped the metadata volume, which made the system boot just fine, but was seemingly a big mistake; a lot of filesystems had more or less fatal errors. I'm restoring from backup right now. (Yes, I have them.) /* Steinar */ -- Homepage: http://www.sesse.net/ -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel