https://blog.mandic.com.br/artigos/ceph-armazenamento-em-bloco-do-seculo-xxi/
https://blog.4linux.com.br/ceph-em-ambiente-mononode/
https://nxtgen.com/ceph_unified_storage_simplified
https://software.intel.com/content/www/br/pt/develop/blogs/ceph-erasure-coding-introduction.html

POOLS : https://docs.ceph.com/docs/jewel/rados/operations/pools/
RBD : https://docs.ceph.com/docs/jewel/rbd/rados-rbd-cmds/

OSD - RADOS

App : RestAPI - Object Storage
Host / VM : Block Device - rdb
Client : CephFS

Alguns comandos:

ceph health
ceph df detail
ceph osd ls
ceph osd status
ceph osd lspools

rbd ls nomepool

rados df