Re: [dm-devel] [PATCH v2] dm pref-path: provides preferred path load balance policy

From: Benjamin Marzinski
Date: Sat Jan 30 2016 - 18:32:58 EST


On Sat, Jan 30, 2016 at 02:25:25PM -0600, Benjamin Marzinski wrote:
> Before this commit, it always used the pref bit. Again, like I said
> before, I'm saying that this was the wrong thing to do. The Spec is

Oops. I meant: "I'm NOT saying that this was the wrong thing to do".

I am also fine with changing the default back to making the pref bit
always create it's own path group. As long there is a way for users to
get either behavior, I'm happy.

-Ben

> pretty vague on what you should expect to happen when you set to pref
> bit. When the path was in a group by itself, I got complaints. Now that
> the path is is a group with other active/optimized paths, I get
> complaints. The only answer is to allow the user to say what they want
> the pref bit to mean.
>
> -Ben