In a 3-Node SDCN cluster, preloaded data (stored via SDNC-SDNC-0) is not found when fetched via other cluster member (here SDNC-SDNC-2).
See Karaf-logs from both containers (see attachments).
SDNC-SDNC-0:
...
2019-07-01T11:56:38,894 | INFO | qtp1167607622-148 | VnfApiProvider | 248 - org.onap.sdnc.northbound.vnfapi-provider - 1.5.3.SNAPSHOT | - | Returned SUCCESS for prelo
ad-vnf-topology-operation [*vfw-vfmodule-instance-vfw_VF_0_BG418U*,VfwVf..base_vfw..module-0] PreloadVnfTopologyOperationOutput{_ackFinalIndicator=Y, _responseCode=200, _svcRequestId=test,
augmentation=[]}

SDNC-SDNC-2:
...
2019-07-01T11:57:01,033 | INFO | qtp1908912730-138 | VnfApiProvider | 248 - org.onap.sdnc.northbound.vnfapi-provider - 1.5.3.SNAPSHOT | - | Adding INPUT data for vnf-
topology-operation [51ed4ebb-9deb-45fd-a7bd-25ab1911ce6b] input: VnfTopologyOperationInput{getRequestInformation=RequestInformation{getNotificationUrl=, getRequestAction=VNFActivateReques
t, getRequestId=04063cea-5b16-4c50-90fe-90f020f7c786, getSource=VID, augmentations={}}, getSdncRequestHeader=SdncRequestHeader{getSvcAction=Assign, getSvcNotificationUrl=http://so-sdnc-ad
apteronap:8086/adapters/rest/SDNCNotify, getSvcRequestId=04063cea-5b16-4c50-90fe-90f020f7c786-1561982214852, augmentations={}}, getServiceInformation=ServiceInformation{getServiceId=null,
getServiceInstanceId=58430bbc-39af-4415-89b5-c7ec933f5f9f, getServiceType=null, getSubscriberName=notsurewecare, augmentations={}}, getVnfRequestInformation=VnfRequestInformation{getAicC
loudRegion=RegionOne, getGenericVnfId=83855cef-34cb-4fee-8b74-ada8ea226c33, getGenericVnfName=vfw-vnf-instance-vfw_VF_0_BG418U, getGenericVnfType=test-service/vfw_VF 0, getTenant=acfb2668
8bde46f8b5677cb324b9e8c1, getUsePreload=Y, getVnfId=51ed4ebb-9deb-45fd-a7bd-25ab1911ce6b, getVnfName=vfw-vfmodule-instance-vfw_VF_0_BG418U, getVnfType=VfwVf..base_vfw..module-0, augmentat
ions={}}, augmentations={}}

...

2019-07-01T11:57:01,142 | ERROR | qtp1908912730-138 | VnfApiProvider | 248 - org.onap.sdnc.northbound.vnfapi-provider - 1.5.3.SNAPSHOT | - | Returned FAILED for vnf-to
pology-operation [51ed4ebb-9deb-45fd-a7bd-25ab1911ce6b] VnfTopologyOperationOutput{_ackFinalIndicator=Y, _responseCode=400, _responseMessage=No preload data found to match vnf-name, _svcR
equestId=04063cea-5b16-4c50-90fe-90f020f7c786-1561982214852, augmentation=[]}