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.dz@xxxxxxxxx> wrote: > Den fre 24 nov. 2023 kl 08:53 skrev Nguyễn Hữu Khôi < > nguyenhuukhoinw@xxxxxxxxx>: > > > > 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@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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