On Sun, Oct 2, 2016 at 2:22 PM, Roman Mamedov <[email protected]> wrote:
> On Sun, 2 Oct 2016 13:29:56 -0600
> Chris Murphy <[email protected]> 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 [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to