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SCSQL resource discovery or backups fail due to port 8145 or 8146 communication failure

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snapcenter
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Applies to

  • SnapCenter Server (SC)
  • SnapCenter Plugin for VMware (SCV)
  • SnapCenter Plug-in for Microsoft SQL Server (SCSQL)

Issue

  • After a successful install of SQL Plug-in, Unable to view  and select from Availability Group while adding a new resource group.
  • 'Refresh Resources'  fails to show  an AvailabilityGroup for cluster.
  • Error in communication between SC and the SCSQL plug-ins with the message seen in

            <installation_path>\NetApp\SnapCenter\App_Data\log\SnapManagerWeb_<id>.log :

ERROR SnapManagerWeb_31894 PID=[21012] TID=[36] WebException Encountered, Response null
ERROR SnapManagerWeb_31894 PID=[21012] TID=[36] Exception in method: InvokeXML.
System.Net.WebException: Unable to connect to the remote server ---> System.Net.Sockets.SocketException: No connection could be made because the target machine actively refused it <IP_address>:8145

  • May also see the following resource discovery error in <installation_path>\NetApp\SnapCenter\App_Data\log\SnapManagerWeb_<id>.log :

ERROR SnapManagerWeb_74 PID=[5084] TID=[129] WebException caught while invoking https://Host_FQDN:8145/SMCoreHostManagementService/DiscoverResources
ERROR SnapManagerWeb_74 PID=[5084] TID=[129] WebException Encountered, Response null
ERROR SnapManagerWeb_74 PID=[5084] TID=[129] Exception in method: InvokeXML.
System.Net.WebException: The operation has timed out

  • PowerShell (PS) command Test-NetConnection <remote_computer_IP> -port 8145 from both SC and SCQL plug-ins fail
  • In the case of VMDK disks, a communication error between the SCV appliance and SnapCenter over port 8146 is found in the SCV vmcontrol.log:

2023-06-02 18:29:22.714 DEBUG scv.appliance.name --- [qtp359023572-12] c.n.a.s.u.SnapManagerServiceHelper       : Connecting to url: https://<snapcenter.server.name>:8146/StorageService.svc/GetNASStorageInfo
2023-06-02 18:29:22.714 DEBUG scv.appliance.name --- [qtp359023572-12] c.n.a.s.m.SmTokenManager                 : Checking for existing token
2023-06-02 18:29:22.714 DEBUG scv.appliance.name --- [qtp359023572-12] c.n.a.s.u.RequestIdThreadLocal           : Getting isLocalSC to: false
2023-06-02 18:29:22.714  INFO scv.appliance.name --- [qtp359023572-12] c.n.a.s.m.SmTokenManager                 : Returning  remote token
2023-06-02 18:29:22.714 DEBUG scv.appliance.name --- [qtp359023572-12] c.n.a.s.u.RequestIdThreadLocal           : Getting isLocalSC to: false
2023-06-02 18:29:22.714  INFO scv.appliance.name --- [qtp359023572-12] c.n.a.s.m.SmTokenManager                 : Returning  remote token
2023-06-02 18:29:22.714 DEBUG scv.appliance.name --- [qtp359023572-12] c.n.a.s.u.SnapManagerServiceHelper       : Getting registered host
2023-06-02 18:29:22.715 DEBUG scv.appliance.name --- [qtp359023572-12] c.n.a.s.u.RequestIdThreadLocal           : Getting isLocalSC to: false
2023-06-02 18:29:22.715 DEBUG scv.appliance.name --- [qtp359023572-12] c.n.a.s.u.SnapManagerServiceHelper       : getSnapManagerConfiguration Returning remote SC
2023-06-02 18:29:22.715 DEBUG scv.appliance.name --- [qtp359023572-12] c.n.a.s.u.RequestIdThreadLocal           : Getting isLocalSC to: false
2023-06-02 18:29:22.715 DEBUG scv.appliance.name --- [qtp359023572-12] c.n.a.s.u.SnapManagerServiceHelper       : getSnapManagerConfiguration Returning remote SC
2023-06-02 18:29:22.715  INFO scv.appliance.name --- [qtp359023572-12] c.n.a.r.x.X509Configuration              : Certificate config has secure communication value set to:false
2023-06-02 18:29:22.715  INFO scv.appliance.name --- [qtp359023572-12] c.n.a.r.x.X509Configuration              : Certificate config has secure communication value set to:false
2023-06-02 18:29:22.715 DEBUG scv.appliance.name --- [qtp359023572-12] c.n.a.s.u.SnapManagerServiceHelper       : Ignoring certificate validation as secure communication status is set to false
2023-06-02 18:29:54.288 DEBUG scv.appliance.name --- [qtp359023572-12] c.n.a.s.u.RequestIdThreadLocal           : Getting isLocalSC to: false
2023-06-02 18:29:54.288 ERROR scv.appliance.name --- [qtp359023572-12] c.n.a.s.c.SnapManagerStorageServiceImpl  : Unable to connect to SnapCenter Server: Connection timed out (Connection timed out).
2023-06-02 18:29:54.288 ERROR scv.appliance.name --- [qtp359023572-12] c.n.a.m.DatastoreStorageDetailsCache     : Unable to connect to SnapCenter Server: Connection timed out (Connection timed out).
 

 

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