...
ceph_cluster_network
: Address block to access to cluster networkceph_public_network
: Address block to access to public network (ie to the world)ceph_osd_disk
: Device to stock datas (only for ceph-osd hosts), it's on this disk ceph will build a rbd.osd_pool_default_min_size
: Minimal number of available OSD to ensure cluster success (best:ceil(osd_pool_default_size / 2.0)
)osd_pool_default_size
: Number of OSD in the cluster
...
- there is a
rbd
pool with this command:ceph osd pool list
. - there is a
ceph
pool with this command:virsh pool-list
.
RADOS Block Devices
During this step, ceph will build a RADOS block device (RBD) from ceph_osd_disk
. This disk will be used with the librbd library provided by ceph.