Create a volume mirror
Pre-task:#
- Make sure the two cluster has same user name
- Make sure the two cluster has same project name
- cluster1 - IP: 10.32.20.241
- cluster2 - IP: 10.32.20.242
cluster1: CLI > cluster > check#
cluster1:cluster> check Service Status Report ClusterLink ok [ link(v) ] ClusterSettings ok [ etcd(v) ] HaCluster ok [ hacluster(v) ] MsgQueue ok [ rabbitmq(v) ] IaasDb ok [ mysql(v) ] VirtualIp ok [ vip(v) haproxy_ha(v) ] Storage ok [ ceph(v) ceph_mon(v) ceph_mgr(v) ceph_mds(v) ceph_osd(v) ceph_rgw(v) rbd_target(v) ] ApiService ok [ haproxy(v) httpd(v) lmi(v) memcache(v) ] SingleSignOn ok [ keycloak(v) ] Compute ok [ nova(v) ] Baremetal ok [ ironic(v) ] Network ok [ neutron(v) ] Image ok [ glance(v) ] BlockStor ok [ cinder(v) ] FileStor ok [ manila(v) ] ObjectStor ok [ swift(v) ] Orchestration ok [ heat(v) ] LBaaS ok [ octavia(v) ] DNSaaS ok [ designate(v) ] K8SaaS ok [ k3s(v) rancher(v) ] InstanceHa ok [ masakari(v) ] DisasterRecovery ok [ freezer(v) ] BusinessLogic ok [ mistral(v) murano(v) cloudkitty(v) ] DataPipe ok [ zookeeper(v) kafka(v) ] Metrics ok [ monasca(v) telegraf(v) grafana(v) ] LogAnalytics ok [ filebeat(v) auditbeat(v) logstash(v) es(v) kibana(v) ] Notifications ok [ influxdb(v) kapacitor(v) ]cluster2: CLI > cluster > check#
cluster2:cluster> check Service Status Report ClusterLink ok [ link(v) ] ClusterSettings ok [ etcd(v) ] HaCluster ok [ hacluster(v) ] MsgQueue ok [ rabbitmq(v) ] IaasDb ok [ mysql(v) ] VirtualIp ok [ vip(v) haproxy_ha(v) ] Storage ok [ ceph(v) ceph_mon(v) ceph_mgr(v) ceph_mds(v) ceph_osd(v) ceph_rgw(v) rbd_target(v) ] ApiService ok [ haproxy(v) httpd(v) lmi(v) memcache(v) ] SingleSignOn ok [ keycloak(v) ] Compute ok [ nova(v) ] Baremetal ok [ ironic(v) ] Network ok [ neutron(v) ] Image ok [ glance(v) ] BlockStor ok [ cinder(v) ] FileStor ok [ manila(v) ] ObjectStor ok [ swift(v) ] Orchestration ok [ heat(v) ] LBaaS ok [ octavia(v) ] DNSaaS ok [ designate(v) ] K8SaaS ok [ k3s(v) rancher(v) ] InstanceHa ok [ masakari(v) ] DisasterRecovery ok [ freezer(v) ] BusinessLogic ok [ mistral(v) murano(v) cloudkitty(v) ] DataPipe ok [ zookeeper(v) kafka(v) ] Metrics ok [ monasca(v) telegraf(v) grafana(v) ] LogAnalytics ok [ filebeat(v) auditbeat(v) logstash(v) es(v) kibana(v) ] Notifications ok [ influxdb(v) kapacitor(v) ]Launch three VM on project admin of cluster1#
Enable storage mirroring#
cluster1(primary)#
CLI > storage > mirror > site
cluster1> storage mirrorcluster1:mirror> siteSelect action:1: Configure2: Add Site3: Delete Site4: Update SiteEnter index: 1Enable the site:1: Enabled2: DisabledEnter index: 1Enter site name (required): primaryApplying policy changes.Policy changes were successfully applied.cluster2(secondary)#
CLI > storage > mirror > site
cluster2> storage mirrorcluster2:mirror> siteSelect action:1: Configure2: Add Site3: Delete Site4: Update SiteEnter index: 1Enable the site:1: Enabled2: DisabledEnter index: 1Enter site name (required): secondaryApplying policy changes.Policy changes were successfully applied.Config remote peer#
cluster1(primary)#
CLI > storage > mirror > site
cluster1:mirror> siteSelect action:1: Configure2: Add Site3: Delete Site4: Update SiteEnter index: 2Enter site name (required): secondaryEnter IP address (required): 10.32.20.242Enter remote secret (required): adminApplying policy changes.Policy changes were successfully applied.cluster1:mirror> listenabled: yessite name: primary
peers: enabled peer name ip address--------------------------------------------------------------- [x] secondary 10.32.20.242
rules: enabled volume---------------------------------------------------------------cluster2(secondary)#
CLI > storage > mirror > site
cluster2:mirror> siteSelect action:1: Configure2: Add Site3: Delete Site4: Update SiteEnter index: 2Enter site name (required): primaryEnter IP address (required): 10.32.20.241Enter remote secret (required): adminApplying policy changes.Policy changes were successfully applied.cluster2:mirror> listenabled: yessite name: secondary
peers: enabled peer name ip address--------------------------------------------------------------- [x] primary 10.32.20.241
rules: enabled volume---------------------------------------------------------------Select instance volume on cluster1 for sync-ing to all remote peers#
cluster1:mirror> ruleSelect action:1: Add2: Delete3: UpdateEnter index: 1Select domain:1: defaultEnter index: 1Select tenant:1: adminEnter index: 1Select volume:1: volume: 2f0ee00a-00ca-4ab3-826d-3c143fee1f1e, status: in-use, size: 1GB, attach: /dev/sda on cirros-a-22: volume: 06ac175a-bc8d-480c-b8e0-200d1567b80a, status: in-use, size: 1GB, attach: /dev/sda on cirros-a-33: volume: ba0867af-caef-4441-b24a-58b8a55360e4, status: in-use, size: 1GB, attach: /dev/sda on cirros-a-1Enter index: 1Apply the changes?Enter 'YES' to confirm: YESApplying policy changes.Policy changes were successfully applied.Watch sync status until done on cluster1(primary)#
CLI > storage > mirror > status
cluster1:mirror> statusupdated: 16:52:11primary-site: OK volume primary synced state----------------------------------------------------------------------------- volume-2f0ee00a-00ca-4ab3-826d-3c143fee1f1e yes n/a up+stopped
cluster1:mirror> listenabled: yessite name: primary
peers: enabled peer name ip address--------------------------------------------------------------- [x] secondary 10.32.20.242
rules: enabled volume--------------------------------------------------------------- [x] 2f0ee00a-00ca-4ab3-826d-3c143fee1f1eWatch sync status until done on cluster2(secondary)#
CLI > storage > mirror > status
cluster2:mirror> statusupdated: 16:52:17secondary-site: WARNING volume primary synced state----------------------------------------------------------------------------- volume-2f0ee00a-00ca-4ab3-826d-3c143fee1f1e no no up+syncing
cluster2:mirror> statusupdated: 16:52:28secondary-site: OK volume primary synced state----------------------------------------------------------------------------- volume-2f0ee00a-00ca-4ab3-826d-3c143fee1f1e no no up+replayingVerify a new volume entry is automatically created on cluster2#
Make some changes on the mirroring volume on cirros-a-2 of cluster1#
Check cluster2(secondary) status for making sure the data has been synced#
cluster2:mirror> statusupdated: 16:56:33secondary-site: OK volume primary synced state----------------------------------------------------------------------------- volume-2f0ee00a-00ca-4ab3-826d-3c143fee1f1e no yes up+replayingDemote images on cluster1(primary)#
CLI > storage > mirror > demote
cluster1:mirror> demote1: normal2: forceEnter index: 1Image demoted to non-primaryPromote images on cluster2(secondary)#
CLI > storage > mirror > promote
cluster2:mirror> promote1: normal2: forceEnter index: 1Image promoted to primaryCheck mirroring status on cluster1(primary)#
CLI > storage > mirror > status
cluster1:mirror> statusupdated: 16:57:46primary-site: WARNING volume primary synced state----------------------------------------------------------------------------- volume-2f0ee00a-00ca-4ab3-826d-3c143fee1f1e no no up+unknown
cluster1:mirror> statusupdated: 16:58:09primary-site: OK volume primary synced state----------------------------------------------------------------------------- volume-2f0ee00a-00ca-4ab3-826d-3c143fee1f1e no no up+replayingCheck mirroring status on cluster2(secondary)#
CLI > storage > mirror > status
cluster2:mirror> statusupdated: 16:57:48secondary-site: WARNING volume primary synced state----------------------------------------------------------------------------- volume-2f0ee00a-00ca-4ab3-826d-3c143fee1f1e yes n/a up+unknown
cluster2:mirror> statusupdated: 16:58:05secondary-site: OK volume primary synced state----------------------------------------------------------------------------- volume-2f0ee00a-00ca-4ab3-826d-3c143fee1f1e yes n/a up+stoppedCall up a VM attached to the mirrored image on cluster2(secondary)#
Call up a VM attached to the mirrored image on cluster2(secondary)#
