具体需要调整的选项需要参考对应版本的文档或代码,如,12.2.1 的release notes 中就有这样的说明:
The maximum number of PGs per OSD before the monitor issues a warning has been reduced from 300 to 200 PGs. 200 is still twice the generally recommended target of 100 PGs per OSD. This limit can be adjusted via the mon_max_pg_per_osd option on the monitors. The older mon_pg_warn_max_per_osd option has been removed.