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1 准备3台服务器3台服务器地址为rs0，rs1，rs22 在三台服务器中安装mongodb2.1 添加mongo依赖到yum源中sudo touch /etc/yum.repos.d/mongodb-org-4.2.reposudo vim /etc/yum.repos.d/mongodb-org-4.2.repo（未安装vim：sudo yum install vim）[mong...

MongoDB新建用户报错：Error: couldn't add user: Use of SCRAM-SHA-256 requires undigested passwords :需要修改加密方式db.createUser({ user: "admin", pwd: "xxxxx", roles:[{ role: "readWrite", ...