well, ext4 fails with IO-errors, so I checked the disks of the raid and found, that's something wrong with the cables... after an exchange of cables I tried a "mdadm --assemble --force", but result was that the missing devices are only added as spare-drives, not as active ones. well maybe, there are errors in filesystem, but the raid should be ok, so how can I change the disk from spare to active? maybe setting the right info directly in superblock of the disk? any help would be appreciated wiebittewas -- 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