Hello.

I get it. I will do a test and let you know.

Thank you much.

Nguyen Huu Khoi


On Fri, Nov 24, 2023 at 5:01 PM Janne Johansson <icepic...@gmail.com> wrote:

> Den fre 24 nov. 2023 kl 08:53 skrev Nguyễn Hữu Khôi <
> nguyenhuukho...@gmail.com>:
> >
> > Hello.
> > I have 10 nodes. My goal is to ensure that I won't lose data if 2 nodes
> > fail.
>
> Now you are mixing terms here.
>
> There is a difference between "cluster stops" and "losing data".
>
> If you have EC 8+2 and min_size 9, then when you stop two hosts, ceph
> stops allowing writes exactly so that you do not lose data, making
> sure the data is protected until you can get one or two hosts back up
> again into the cluster. If you need to keep being able to write to the
> cluster with two hosts down, you need EC to be X+3 with min_size =
> X+1, this way it will still allow writes when two hosts are down.
>
> --
> May the most significant bit of your life be positive.
>
_______________________________________________
ceph-users mailing list -- ceph-users@ceph.io
To unsubscribe send an email to ceph-users-le...@ceph.io

Reply via email to