tldr/pages/linux/ceph.md

ceph

A unified storage system. More information: https://ceph.io.

• 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}}