Snapmirror fails after updrage with cluster peer errors

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Visibility:: Public

Votes:: 0

Category:: ontap-9

Specialty:: dp

Last Updated:

Applies to

ONTAP 9
SNAPMIRROR

Issue

After ONTAP upgrade the snapmirror replication failed with below cluster peer errors.

[node-03: mgwd: cpeer.xcm.addr.disc.warn:error]: Address discovery failed for peer cluster 1ae0f044-8b90-11e8-a62d-00a098eac242. Reason: Failed to discover remote addresses: Failed to contact peer cluster "USNJPNASMC01" at addresses: 10.39.84.37, 10.39.84.38. RPC: Remote system error [from mgwd on node "node-03" (VSID: -3) to mgwd at 10.39.84.xx, 10.39.84.xx].

Cluster peer ping command shows one of the cluster peers, the LIF on one of the node is unreachable.

Node: src_node-01 Destination Cluster: dest_cluster

Destination Node IP Address Count TTL RTT(ms) Status

---------------- ---------------- ----- ---- ------- -------------------------

node-01 172.29.0.xx 1 52 230.127 interface_reachable

node-02 172.29.0.xx 1 52 229.464 interface_reachable

node-03 172.29.0.xx 1 - - unreachable

node-04 172.29.0.xx 1 52 229.164 interface_reachable

Node: src_node-02 Destination Cluster: dest_cluster

Destination Node IP Address Count TTL RTT(ms) Status

---------------- ---------------- ----- ---- ------- -------------------------

node-01 172.29.0.xx 1 50 229.89 interface_reachable

node-02 172.29.0.xx 1 51 228.807 interface_reachable

node-03 172.29.0.xx 1 - - unreachable

node-04 172.29.0.xx 1 50 228.271 interface_reachable

The LIF were migrated from home port to different port to make snapmirrors run successfully.
Following the migration of the LIF the cluster peer was available and snapmirror were completing successfully.