本文章适用于ceph n版
####命令模板######
ceph osd crush rule create-replicated <rule-name> <root> <failure-domain> <class>
###################示例#####
ceph osd crush rule create-replicated ssd-rule default host ssd
#####命令模板#######
ceph osd pool set <pool-name> crush_rule <rule-name>
####示例########
ceph osd pool set ssd-pool crush_rule ssd-rule
原文:https://www.cnblogs.com/yanling-coder/p/11986810.html