9 osd default pool size: 2
10 osd pool default pg num: 128
11 osd pool default pgp num: 128
16 ceph_dev_key: https://download.ceph.com/keys/autobuild.asc
18 journal_collocation: true
19 osd_auto_discovery: false
23 - [mon.a, osd.0, osd.1, osd.2, rgw.0]
24 - [osd.3, osd.4, osd.5]
25 - [osd.6, osd.7, osd.8]
31 hadoop-version: '2.8.0'