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++k8s blog

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Nico Schottelius 2021-06-07 20:46:26 +02:00
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blog/k8s-ipv6-only-cluster.mdwn
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@ -150,6 +150,37 @@ the cephfs manifest, however RWX volumes (readwritemany) are not yet
spinning up. It seems that test [helm charts](https://artifacthub.io/)
often require RWX instead of RWO (readwriteonce) access.
Also the ceph dashboard does not come up, even though it is
configured:
[20:44] server47.place7:~# kubectl -n rook-ceph get svc
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
csi-cephfsplugin-metrics ClusterIP 2a0a:e5c0:13:e2::760b <none> 8080/TCP,8081/TCP 82m
csi-rbdplugin-metrics ClusterIP 2a0a:e5c0:13:e2::482d <none> 8080/TCP,8081/TCP 82m
rook-ceph-mgr ClusterIP 2a0a:e5c0:13:e2::6ab9 <none> 9283/TCP 77m
rook-ceph-mgr-dashboard ClusterIP 2a0a:e5c0:13:e2::5a14 <none> 7000/TCP 77m
rook-ceph-mon-a ClusterIP 2a0a:e5c0:13:e2::c39e <none> 6789/TCP,3300/TCP 83m
rook-ceph-mon-b ClusterIP 2a0a:e5c0:13:e2::732a <none> 6789/TCP,3300/TCP 81m
rook-ceph-mon-d ClusterIP 2a0a:e5c0:13:e2::c658 <none> 6789/TCP,3300/TCP 76m
[20:44] server47.place7:~# curl http://[2a0a:e5c0:13:e2::5a14]:7000
curl: (7) Failed to connect to 2a0a:e5c0:13:e2::5a14 port 7000: Connection refused
[20:45] server47.place7:~#
The ceph mgr is perfectly reachable though:
[20:45] server47.place7:~# curl -s http://[2a0a:e5c0:13:e2::6ab9]:9283/metrics | head
# HELP ceph_health_status Cluster health status
# TYPE ceph_health_status untyped
ceph_health_status 1.0
# HELP ceph_mon_quorum_status Monitors in quorum
# TYPE ceph_mon_quorum_status gauge
ceph_mon_quorum_status{ceph_daemon="mon.a"} 1.0
ceph_mon_quorum_status{ceph_daemon="mon.b"} 1.0
ceph_mon_quorum_status{ceph_daemon="mon.d"} 1.0
# HELP ceph_fs_metadata FS Metadata
### Status 2021-06-06
Today is the first day of publishing the findings and this blog