On Sun, Oct 2, 2016 at 2:22 PM, Roman Mamedov <rm@xxxxxxxxxxx> wrote: > On Sun, 2 Oct 2016 13:29:56 -0600 > Chris Murphy <lists@xxxxxxxxxxxxxxxxx> wrote: > >> Well short of a bug, the problem aren't the checksums. The problem is >> the metadata is wrong, so if you recalculate checksums you're likely >> end up with an even more corrupted file system because it'll start out >> trusting bad metadata. > > It appears that metadata got created with profile "single", because the device > is SSD. If this was DUP metadata, this entire problem wouldn't happen. > It is a terrible idea to downgrade metadata to single on detecting SSDs at > mkfs. That's uncertain, we've seen file systems with dup also not mount with csum errors in metadata. -- Chris Murphy -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
