On Tue, Sep 12, 2017 at 10:02 AM, Marat Khalili <[email protected]> wrote: > (3) it is possible that it uses O_DIRECT or something, and btrfs raid1 does > not fully protect this kind of access.
Right, known problem. To use o_direct implies also using nodatacow (or at least nodatasum), e.g. xattr +C is set, done by qemu-img -o nocow=on https://www.spinics.net/lists/linux-btrfs/msg68244.html -- 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
