Merge PR #24025 into master

* refs/pull/24025/head:
	mon/OSDMonitor: reject pg_num -> 0

Reviewed-by: huangjun <huangjun@xsky.com>
Reviewed-by: Sage Weil <sage@redhat.com>

diff --cc qa/workunits/cephtool/test.sh
Simple merge

diff --cc src/mon/OSDMonitor.cc
Simple merge