Phil, >> To be able to re-assemble the array, I *have* to specify metadata >> version 0.9: >> >> Is this a problem? Can I upgrade my array to 1.0 metadata? Should I? > > Hmm. Interesting. Your version of mdadm is insisting on reserving much > more space between end of content and the v1.0 metadata than when using > v0.90 metadata. > > I'm curious how much. Please show the output of "cat /proc/partitions". root@bazsalikom:/home/tantos# cat /proc/partitions major minor #blocks name 8 16 1465138584 sdb 8 17 1465136001 sdb1 8 48 1465138584 sdd 8 49 1465136001 sdd1 8 80 1465138584 sdf 8 81 1465136001 sdf1 8 96 1953513527 sdg 8 97 1953512001 sdg1 8 112 1953514584 sdh 8 113 538145 sdh1 8 114 1465138552 sdh2 8 115 487837854 sdh3 8 64 1953514584 sde 8 65 538145 sde1 8 66 1465138552 sde2 8 67 487837854 sde3 8 32 1953514584 sdc 8 33 538145 sdc1 8 34 1465138552 sdc2 8 35 487837854 sdc3 9 0 487837760 md0 9 1 7325679680 md1 Andras -- 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