On Oct 27, 2014, at 10:54 AM, Jasper Verberk <jverb...@hotmail.com> wrote:

> I actually tried going to raid1 with kernel 3.10 before....the reason I 
> updated to 3.17 was to see if this would fix the error. 
> 
> It still remained though….

If you have btrfs-progs you could do a btrfs check without repair and see if 
that's enlightening. Can you do a normal balance successfully, without 
conversion? If you haven't tried it recently with a newer kernel you might try 
for starters:

btrfs balance start -musage=100 -dusage=50

Any data chunks less than 50% full will be balanced, and all the metadata 
chunks will be balanced. This line:
Data, RAID1: total=2.85TiB, used=790.46GiB
Is suspiciously high for allocated chunks compared to the data stored in it. 
Maybe releasing some chunks will solve the problem and permit conversion to 
proceed.


Chris Murphy--
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