27.06.2016 06:50, Christoph Anton Mitterer пишет: > > What should IMHO be done as well is giving a big fat warning in the > manpages/etc. that when nodatacow is used RAID recovery cannot produce > valid data (at least as long as there isn't checksumming implemented > for nodatacow).
The problem is that current implementation of RAID56 puts exactly CoW data at risk. I.e. writing new (copy of) data may suddenly make old (copy of) data inaccessible, even though it had been safely committed to disk and is now in read-only snapshot. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
