First:
All nodes have been reinstalled and upgraded to the latest! (pve-manager: 6.1-7)
Second:
i'm want to use this parameter '-disable_cephx 1'
so, setup ceph cluster with pveceph cli, not in UI
1. pveceph install
2. pveceph init --network 10.0.115.0/24 -disable_cephx 1
3. pveceph mon create...