SCSQL バックアップがエラーで失敗しました：指定されたリソースのストレージシステムが見つかりません

環境

• SnapCenter サーバ（ SC ）
• SnapCenter Plug-in for SQL （ SCSQL ）
• SnapCenter Plug-in for VMware vSphere （ SCV ）

問題

• SCSQL の SnapCenter バックアップがエラーで失敗する（ GUI ） - "Unable to find storage system for given resources"
• SMcore ログにエラーが表示されます。

DEBUG SMCore_16899 PID=[2072] TID=[47] ValidateDiscoveredResourcesActivity Begin
ERROR SMCore_16899 PID=[2072] TID=[47] ErrorCode (-1),ErrorMessage (SQL Database (database\test) is not on NetApp storage or in an invalid state.)
WARN SMCore_16899 PID=[2072] TID=[47] Activity - Grouping Resources, Completed with warning : The following activities failed:Registering invalid databases. Please check the activities for detailed error message.

対応するSCV vmcontrol_<jobid>.log がSCVからSCサーバへの通信エラーを示しています。

DEBUG luxnoc003 --- [ qtp32374789-17] c.n.a.s.u.SnapManagerServiceHelper : Connecting to url: https://<IP_Address>:8146/RbacService.svc/Login
ERROR luxnoc003 --- [ qtp32374789-17] c.n.a.s.c.SnapManagerHostServiceRestImpl : Invalid input - Username or Password passed in is null
ERROR luxnoc003 --- [ qtp32374789-17] c.n.a.s.c.SnapManagerHostServiceRestImpl : [JobId:16899] Error when obtaining token: null and unable to login to the SnapCenter Server <IP_Address> : Invalid input - Username or Password passed in is null
WARN luxnoc003 --- [ qtp32374789-17] c.n.a.d.VsphereDiscoveryManager : [JobId:16899] Unable to get storage details for datastore <DataStore> with managed object reference datastore-<ID>. Storage system(s) may need to be added, also ensure that the associated host is in a connected state.

• SnapCenter UI エラー：

The following activities failed:Registering invalid databases,Grouping Resources,Registering invalid databases. 

Please check the activities for detailed error message. 

Unable to find any healthy  resource on NetApp storage.