Ceph作为OpenStack后端存储
Total PGs = (Total_number_of_OSD * 100) /max_replication_count） 1、Create pool for OpenStack 1 2 3 4 5 pg=256 cephosdpoolcreatevolumes$pg #disk_pool cephosdpoolcreateimages$pg #image_pool cephosdpoolcreatevms$pg #host_pool cephosdpoolcreatebackups$pg #backup_pool 2、setup ceph client authentication 1 2 3 cephauthget-or-createclient.cindermon 'allowr' osd 'allowclass-readobject_prefixrbd_children,allowrwxpool=volumes,allowrwxpool=vms,allowrxpool=images' cephauthget-or-createclient.glancemon 'allowr' osd 'allowclass-readobject_prefixrbd_children,allowrwxpool=images' cephauthget-or-createclient.cinder-backupmon 'allowr' osd 'allowclass-readobject_prefixrbd_children,allowrwxpool=backups' 3、Add the keyringsfor client.cinder, client.glance, and client.cinder-backup to the appropriatenodes and change their ownership 1 2 3 4 cephauthget-or-createclient.glance| ssh {your-glance-api-server} sudo tee /etc/ceph/ceph .client.glance.keyring ssh {your-glance-api-server} sudo chownglance:glance /etc/ceph/ceph .client.glance.keyring cephauthget-or-createclient.cinder| ssh {your-volume-server} sudo tee /etc/ceph/ceph .client.cinder.keyring ssh {your-cinder-volume-server} sudo chowncinder:cinder /etc/ceph/ceph .client.cinder.keyring 4、Nodes running nova-compute need the keyring file for thenova-compute process 1 cephauthget-or-createclient.cinder| ssh {your-nova-compute-server} sudo tee /etc/ceph/ceph .client.cinder.keyring 5、Create a temporary copy of the secret key on the nodes runningnova-compute: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 cephauthget-keyclient.cinder>client.cinder.key cephauthget-keyclient.cinder| ssh {your-compute-node} tee client.cinder.key uuidgen 4f859b95-406e-49f6-9ff8-d6e04f7ba1ef cat >secret.xml<<EOF <secretephemeral= 'no' private= 'no' > <uuid>4f859b95-406e-49f6-9ff8-d6e04f7ba1ef< /uuid > <usage type = 'ceph' > <name>client.cindersecret< /name > < /usage > < /secret > EOF sudo virshsecret-define-- file secret.xml sudo virshsecret- set -value--secrete05983be-9251-44cb-9738-198bf9ec2d7e--base64$( cat client.cinder.key)&& rm client.cinder.keysecret.xml 6、Configuring Glance 1 2 3 4 5 6 7 8 vi /etc/glance/glance-api .conf [DEFAULT] ... default_store=rbd rbd_store_user=glance rbd_store_pool=images show_image_direct_url=True ... 7、Configuring Cinder 1 2 3 4 5 6 7 8 9 10 11 vi /etc/cinder/cinder .conf [DEFAULT] ... volume_driver=cinder.volume.drivers.rbd.RBDDriver rbd_pool=volumes rbd_ceph_conf= /etc/ceph/ceph .conf rbd_flatten_volume_from_snapshot= false rbd_max_clone_depth=5 glance_api_version=2 rbd_user=cinder rbd_secret_uuid=e05983be-9251-44cb-9738-198bf9ec2d7e 8、Configuring Cinder Backup 1 2 3 4 5 6 7 8 9 10 11 vi /etc/cinder/cinder .conf [DEFAULT] ... backup_driver=cinder.backup.drivers.ceph backup_ceph_conf= /etc/ceph/ceph .conf backup_ceph_user=cinder-backup backup_ceph_chunk_size=134217728 backup_ceph_pool=backups backup_ceph_stripe_unit=0 backup_ceph_stripe_count=0 restore_discard_excess_bytes= true 9、Configuring Nova 1 2 3 4 5 6 7 8 9 10 11 12 vi /etc/nova/nova .conf [DEFAULT] ... libvirt_images_type=rbd libvirt_images_rbd_pool=vms libvirt_images_rbd_ceph_conf= /etc/ceph/ceph .conf rbd_user=cinder rbd_secret_uuid=e05983be-9251-44cb-9738-198bf9ec2d7e libvirt_inject_password= false libvirt_inject_key= false libvirt_inject_partition=-2 libvirt_live_migration_flag= "VIR_MIGRATE_UNDEFINE_SOURCE,VIR_MIGRATE_PEER2PEER,VIR_MIGRATE_LIVE,VIR_MIGRATE_PERSIST_DEST" 10、Restart OpenStack 1 2 3 serviceopenstack-glance-apirestart serviceopenstack-nova-computerestart serviceopenstack-cinder-volumerestart 10、Test 本文转自Jacken_yang 51CTO博客，原文链接：http://blog.51cto.com/linuxnote/1789924，如需转载请自行联系原作者
