「VxRail：妥当性検査用VLANのセットアップ中にエラーが発生しました: テストするネットワークを作成できませんでした

検証用のVLANを設定し、VxRailクラスターにノードを追加する際にエラーが表示されます。「テストするネットワークの作成に失敗しました」
4つのQuantaノードと1つのPowerEdgeからなる5ノード クラスターに、3つの新しいPowerEdgeノードを追加することになっていました。

VxRail Hosts
Validate
Validation Errors
Error while setting up the VLAN for validation
Failed creating network to test.
Disk group validation
Failed to get disk information from hosts: {0}.

Marvin.log

[MARVIN] 2021-09-08T23:31:05.979+0000 ERROR [SimpleAsyncTaskExecutor-1] com.emc.mystic.manager.commons.component.tasklet.validation.ExpansionVlanLiveValidationTasklet ExpansionVlanLiveValidationTasklet.useVmotionTcpIpStack:300 - Unable to get entity of host.
com.vce.commons.core.exception.ConnectionException: com.sun.xml.ws.fault.ServerSOAPFaultException: Client received SOAP Fault from server: The object 'vim.HostSystem:host-24483' has already been deleted or has not been completely created Please see the server log to find more detail regarding exact cause of the failure.
[MARVIN] 2021-09-08T23:31:06.047+0000 ERROR [SimpleAsyncTaskExecutor-1] com.emc.mystic.manager.commons.services.network.SimpleHostNetworkConfig SimpleHostNetworkConfig.removePortgroup:291 - Failed removing portgroup vMotion on host
com.vmware.vim25.NotFoundFaultMsg: The object or item referred to could not be found.
[MARVIN] 2021-09-08T23:30:22.666+0000 ERROR [SimpleAsyncTaskExecutor-1] com.emc.mystic.manager.commons.component.tasklet.ConfigurationTasklet ConfigurationTasklet$1.onError:89 - Attempt 2/1 failed
[MARVIN] 2021-09-08T23:31:05.979+0000 ERROR [SimpleAsyncTaskExecutor-1] com.emc.mystic.manager.commons.component.tasklet.validation.ExpansionVlanLiveValidationTasklet ExpansionVlanLiveValidationTasklet.useVmotionTcpIpStack:300 - Unable to get entity of host.
[MARVIN] 2021-09-08T23:31:05.989+0000 ERROR [SimpleAsyncTaskExecutor-1] com.emc.mystic.manager.commons.component.tasklet.validation.ExpansionVlanLiveValidationTasklet ExpansionVlanLiveValidationTasklet.lambda$runTests$0:224 - Failed creating networks to test vlan connectivity.
[MARVIN] 2021-09-08T23:31:06.047+0000 ERROR [SimpleAsyncTaskExecutor-1] com.emc.mystic.manager.commons.services.network.SimpleHostNetworkConfig SimpleHostNetworkConfig.removePortgroup:291 - Failed removing portgroup vMotion on host
[MARVIN] 2021-09-08T23:31:56.841+0000 ERROR [SimpleAsyncTaskExecutor-1] com.emc.mystic.manager.commons.component.tasklet.validation.MatchingDiskTypeConfigurationValidationTasklet MatchingDiskTypeConfigurationValidationTasklet.validate:121 - Failed to get disks from any hosts in the cluster

ServerName:/home/mystic # tail -f /var/log/vmware/marvin/tomcat/logs/marvin.log | grep ERROR

[MARVIN] 2021-09-09T02:53:38.151+0000 ERROR [SimpleAsyncTaskExecutor-4] com.emc.mystic.manager.commons.c omponent.tasklet.ConfigurationTasklet ConfigurationTasklet$1.onError:89 - Attempt 2/1 failed

ServerName:/home/mystic # tail -f /var/log/mystic/web.log | grep ERROR

2021-09-09T02:56:48.462+0000 ERROR [SimpleAsyncTaskExecutor-5] org.springframework.batch.core.step.Abstr actStep AbstractStep.execute:237 - Encountered an error executing step customizedHostnameValidationStep in job expansionValidationJob
2021-09-09T02:56:51.213+0000 ERROR [myScheduler-10] com.vce.commons.core.connection.services.ConnectionF actoryImpl ConnectionFactoryImpl.createSSLHostConnectionWithInitialAccount:155 - Fail to connect to host : fe80::250:5xff:xxxx:xxx%eth1 with user: root
2021-09-09T02:57:02.751+0000 ERROR [myScheduler-10] com.vce.commons.core.connection.services.ConnectionF actoryImpl ConnectionFactoryImpl.createSSLHostConnectionWithInitialAccount:155 - Fail to connect to host : fe80::250:5xff:xxxx:xxx%eth1 with user: root 

marvin.log:

[MARVIN] 2021-09-09T03:45:21.302+0000 INFO  [SimpleAsyncTaskExecutor-6] com.emc.mystic.manager.commons.component.listener.ConfigurationActionStepExecutionListener MarvinConfigurationLog.beginTask:12 - [Task 6f02cb4d-e5ec-4f93-83e4-b291ac75e36a] START: Running action config.action.expansion.validation.host.name, stage validation_host
[MARVIN] 2021-09-09T03:45:21.302+0000 INFO  [SimpleAsyncTaskExecutor-6] com.emc.mystic.manager.commons.component.listener.ConfigurationActionStepExecutionListener MarvinConfigurationLog.updateTask:17 - [Task 6f02cb4d-e5ec-4f93-83e4-b291ac75e36a] UPDATE: This action will be tried 1 times
[MARVIN] 2021-09-09T03:45:21.309+0000 INFO  [SimpleAsyncTaskExecutor-6] com.emc.mystic.manager.commons.component.tasklet.validation.CustomizedHostnameValidationTasklet CustomizedHostnameValidationTasklet.getReplaceHostHostnames:110 - Found reserved hostname for node replacement : [] !
[MARVIN] 2021-09-09T03:45:21.313+0000 INFO  [SimpleAsyncTaskExecutor-6] com.emc.mystic.manager.commons.component.tasklet.validation.HostnameValidationTasklet HostnameValidationTasklet.validateVcPscHostnamesForExternalVc:386 - Validating VC server: vCenterName.company.com for joining external VC.
[MARVIN] 2021-09-09T03:45:21.313+0000 INFO  [SimpleAsyncTaskExecutor-6] com.emc.mystic.manager.commons.component.tasklet.validation.HostnameValidationTasklet HostnameValidationTasklet.validateVcPscHostnamesForExternalVc:409 - Validating PSC server hostname: null for joining external VC in non-embedded mode -
[MARVIN] 2021-09-09T03:45:21.313+0000 ERROR [SimpleAsyncTaskExecutor-6] com.emc.mystic.manager.commons.component.tasklet.ConfigurationTasklet ConfigurationTasklet$1.onError:89 - Attempt 2/1 failed

1. IPアドレスではなく、Mysticデータベース内のPSCおよびvCenterのDNS名。
2. システムがvSphere 6.7で、vCenterにPSCが組み込まれている場合、config.jsonとconfig-journal.jsonにPSC名が表示されます。
3. config.jsonとconfig-journal.jsonでは、nonEmbeddedModeがfalseとして表示されます。