nanaya Wrote:
-------------------------------------------------------
> Hi
>
> On Tue, Sep 22, 2015, at 04:59 PM, vps4 wrote:
> > i have 2 backend server A & B, i want the upstream only works with
> A,
> > when A
> > die then works with B, if A not die , only works with A
> > how can i do
> >
>
> this?
>
> upstream backend {
> server A;
> server B backup;
> }
>
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thanks. the option backup do what i want.
but it seems when A busy, it will works with B?