# Praefect Rake tasks > 原文：[https://docs.gitlab.com/ee/administration/raketasks/praefect.html](https://docs.gitlab.com/ee/administration/raketasks/praefect.html) * [Replica checksums](#replica-checksums) # Praefect Rake tasks[](#praefect-rake-tasks-core-only "Permalink") 在 GitLab 12.10 中[引入](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/28369) . 瑞克任务可用于在 Praefect 存储上创建的项目. 有关配置 Praefect 的信息，请参见[Praefect 文档](../gitaly/praefect.html) . ## Replica checksums[](#replica-checksums "Permalink") `gitlab:praefect:replicas`打印给定`project_id`的存储库的校验和： * 主要的 Gitaly 节点. * 次要内部 Gitaly 节点. **全部安装** ``` sudo gitlab-rake "gitlab:praefect:replicas[project_id]" ``` **源安装** ``` sudo -u git -H bundle exec rake "gitlab:praefect:replicas[project_id]" RAILS_ENV=production ```