# ceph > A unified storage system. > More information: . - Check cluster health status: `ceph status` - Check cluster usage stats: `ceph df` - Get the statistics for the placement groups in a cluster: `ceph pg dump --format {{plain}}` - Create a storage pool: `ceph osd pool create {{pool_name}} {{page_number}}` - Delete a storage pool: `ceph osd pool delete {{pool_name}}` - Rename a storage pool: `ceph osd pool rename {{current_name}} {{new_name}}` - Self-repair pool storage: `ceph pg repair {{pool_name}}`