Replace the disk names and ssd device name. This will build a ceph cluster with 2 object redundancy in about 5 minutes.
ceph-deploy purge ceph0-mon0 ceph0-mon1 ceph0-mon2 ceph0-node0 ceph0-node1 ceph-deploy purgedata ceph0-mon0 ceph0-mon1 ceph0-mon2 ceph0-node0 ceph0-node1 ceph-deploy forgetkeys ceph-deploy new ceph0-mon0 ceph0-mon1 ceph0-mon2 echo "osd pool default size = 2" >> ~/ceph.conf echo "public network = 10.1.8.0/22" >> ~/ceph.conf echo "cluster network = 10.1.12.0/22" >> ~/ceph.conf echo "osd journal size = 12000" >> ~/ceph.conf ceph-deploy install ceph0-mon0 ceph0-mon1 ceph0-mon2 ceph0-node0 ceph0-node1 ceph-deploy mon create-initial ceph-deploy admin ceph0-mon0 ceph0-mon1 ceph0-mon2 ceph0-node0 ceph0-node1 sudo chmod +r /etc/ceph/ceph.client.admin.keyring ceph-deploy disk zap ceph0-node0:/dev/oczpcie_4_0_ssd ceph-deploy disk zap ceph0-node0:/dev/sdb ceph-deploy disk zap ceph0-node0:/dev/sdc ceph-deploy disk zap ceph0-node0:/dev/sdd ceph-deploy disk zap ceph0-node0:/dev/sde ceph-deploy disk zap ceph0-node0:/dev/sdf ceph-deploy disk zap ceph0-node0:/dev/sdg ceph-deploy disk zap ceph0-node0:/dev/sdh ceph-deploy disk zap ceph0-node0:/dev/sdi ceph-deploy disk zap ceph0-node0:/dev/sdj ceph-deploy disk zap ceph0-node0:/dev/sdk ceph-deploy disk zap ceph0-node0:/dev/sdl ceph-deploy disk zap ceph0-node0:/dev/sdm ceph-deploy disk zap ceph0-node1:/dev/oczpcie_4_0_ssd ceph-deploy disk zap ceph0-node1:/dev/sdb ceph-deploy disk zap ceph0-node1:/dev/sdc ceph-deploy disk zap ceph0-node1:/dev/sdd ceph-deploy disk zap ceph0-node1:/dev/sde ceph-deploy disk zap ceph0-node1:/dev/sdf ceph-deploy disk zap ceph0-node1:/dev/sdg ceph-deploy disk zap ceph0-node1:/dev/sdh ceph-deploy disk zap ceph0-node1:/dev/sdi ceph-deploy disk zap ceph0-node1:/dev/sdj ceph-deploy disk zap ceph0-node1:/dev/sdk ceph-deploy disk zap ceph0-node1:/dev/sdl ceph-deploy disk zap ceph0-node1:/dev/sdm ceph-deploy osd prepare ceph0-node0:/dev/sdb:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node1:/dev/sdb:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node0:/dev/sdc:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node1:/dev/sdc:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node0:/dev/sdd:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node1:/dev/sdd:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node0:/dev/sde:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node1:/dev/sde:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node0:/dev/sdf:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node1:/dev/sdf:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node0:/dev/sdg:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node1:/dev/sdg:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node0:/dev/sdh:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node1:/dev/sdh:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node0:/dev/sdi:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node1:/dev/sdi:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node0:/dev/sdj:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node1:/dev/sdj:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node0:/dev/sdk:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node1:/dev/sdk:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node0:/dev/sdl:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node1:/dev/sdl:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node0:/dev/sdm:/dev/oczpcie_4_0_ssd ceph-deploy osd prepare ceph0-node1:/dev/sdm:/dev/oczpcie_4_0_ssd