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Diffstat (limited to 'docs/consistency.txt')
| -rw-r--r-- | docs/consistency.txt | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/docs/consistency.txt b/docs/consistency.txt index caaaf36..dcf311a 100644 --- a/docs/consistency.txt +++ b/docs/consistency.txt @@ -39,7 +39,17 @@ Networking - Ensure, we don't have override of cluster_name to first master (which we do during the provisioning of OpenShift plays) - + + - Sometimes OpenShift fails to clean-up after terminated pod properly. This causes rogue + network interfaces to remain in OpenVSwitch fabric. This can be determined by errors like: + could not open network device vethb9de241f (No such device) + reported by 'ovs-vsctl show' or present in the log '/var/log/openvswitch/ovs-vswitchd.log' + which may quickly grow over 100MB quickly. If number of rogue interfaces grows too much, + the pod scheduling will start time-out on the affected node. + * The work-around is to delete rogue interfaces with + ovs-vsctl del-port br0 <iface> + This does not solve the problem, however. The new interfaces will get abandoned by OpenShift. + ADEI ==== |