Re: How does client get the new active ceph-mgr endpoint when failover happens?

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Thanks for the quick response!

What if the node is down? The client cannot even connect to the mgr.

On Thu, Oct 6, 2022 at 2:17 AM Janne Johansson <icepic.dz@xxxxxxxxx> wrote:

> Den tors 6 okt. 2022 kl 10:40 skrev Zhongzhou Cai <zhongzhoucai@xxxxxxxxxx
> >:
> > Hi folks,
> > I have ceph-mgr bootstrapped on three nodes, and they are running in HA.
> > When the active mgr node goes down, it will failover to one of the
> > standbys. I'm wondering if there is a way for the client to be aware of
> the
> > leadership change and connect to the new active mgr? Do I need to set up
> > something like haproxy in front of the ceph-mgr daemons?
>
> No, I think the mgr you connect to will send the client to the active
> one if it is passive.
> In the very beginning you needed an internal LB, but this was long ago.
>
> "By default, the standby modules will answer incoming requests with a
> HTTP redirect to the active manager, allowing users to point their
> browser at any mgr node and find their way to an active mgr."
> from https://docs.ceph.com/en/latest/mgr/administrator/
>
> --
> May the most significant bit of your life be positive.
>
-- 
Thanks,
Zhongzhou Cai
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