On Fri, Jul 13, 2012 at 22:03, Henning Brauer wrote: > * Michael W. Lucas <[email protected]> [2012-07-13 21:46]: >> I'm playing with softraid on a test machine. I reuse disks. This makes >> me trip over metadata: >> >> # bioctl -c 1 -l sd2n,sd3n softraid0 >> softraid0: volume level does not match metadata level >> >> # bioctl -c 5 -l sd2p,sd3p,sd4p,sd5p,sd6p softraid0 >> softraid0: not all chunks are of the native metadata format >> >> I could just spew "dd if=/dev/zero" all over the disk, but surely >> there's a better/faster/simpler way to clean up this metadata? Any >> suggestions? > > dd'ing over the beginning is enough & the way to go for now. 64k > should suffice.
I would go with 1MB, just to be more sure you whack any superblocks or other fs structures living in there. Hardly takes any more time.
