1.2. 配置文件结构

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# Comments always follow a semi-colon (;) or a pound (#) on each line.
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[global]
#Enable authentication between hosts within the cluster.
auth_cluster_required = cephx
auth_service_required = cephx
auth_client_required = cephx

[osd]
osd_journal_size = 1000

[osd.1]
# settings affect osd.1 only.

[mon.a]
# settings affect mon.a only.

[global]
fsid = {cluster-id}
mon_initial_members = {hostname}[, {hostname}]
mon_host = {ip-address}[, {ip-address}]

#All clusters have a front-side public network.
#If you have two NICs, you can configure a back side cluster
#network for OSD object replication, heart beats, backfilling,
#recovery, and so on
public_network = {network}[, {network}]
#cluster_network = {network}[, {network}]

#Clusters require authentication by default.
auth_cluster_required = cephx
auth_service_required = cephx
auth_client_required = cephx

#Choose reasonable numbers for your journals, number of replicas
#and placement groups.
osd_journal_size = {n}
osd_pool_default_size = {n}  # Write an object n times.
osd_pool_default_min_size = {n} # Allow writing n copy in a degraded state.
osd_pool_default_pg_num = {n}
osd_pool_default_pgp_num = {n}

#Choose a reasonable crush leaf type.
#0 for a 1-node cluster.
#1 for a multi node cluster in a single rack
#2 for a multi node, multi chassis cluster with multiple hosts in a chassis
#3 for a multi node cluster with hosts across racks, and so on
osd_crush_chooseleaf_type = {n}