tldr/pages/linux/ceph.md

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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}}