Data domain DDVE ATOS on AWS file system may fail to start after DDOS upgrade with missing NVRAM File error message

           

   Article Number:     540286                                   Article Version: 3     Article Type:    Break Fix 
   

 


Product:

 

Data Domain Virtual Edition,Data Domain

 

Issue:

 

 

This issue is applicable to Data domain Virtual Edition (DDVE) system deployed on AWS Cloud Platform only.         
          Data domain file system may fail to start after DDOS upgrade with missing NVRAM File error message as follows
   
        
     Current Alerts     
      --------------     
      Id      Post Time                  Severity   Class         Object                 Message     
      -----   ------------------------   --------   -----------   --------------------   ------------------------------------------------------------------     
      p0-13   Mon Jan 13 13:13:17 2020   CRITICAL   Environment   Component=NVRAM File   EVT-ENVIRONMENT-00040: Unsupported virtual hardware configuration.     
      p0-14   Mon Jan 13 13:13:38 2020   CRITICAL   Environment   Component=Disk         EVT-ENVIRONMENT-00040: Unsupported virtual hardware configuration.     
      -----   ------------------------   --------   -----------   --------------------   ------------------------------------------------------------------     
      There are 2 active alerts.
   
        
    Alert history shows DDOS upgrade completed as follows but it failed to bring up file system    
        
    Alerts History     
      --------------     
      Id      Post Time                  Clear Time                 Severity   Class               Object                 Message     
      -----   ------------------------   ------------------------   --------   -----------------   --------------------   -------------------------------------------------------------------------     
      p0-10   Mon Jan 13 12:55:22 2020   Mon Jan 13 12:57:31 2020   INFO       Filesystem                                 EVT-FILESYS-00012: System rebooted     
      p0-11   Mon Jan 13 13:05:26 2020   (active)                   NOTICE     SystemMaintenance                          EVT-UPGRADE-00004: DD OS upgrade is in progress     
      p0-12   Mon Jan 13 13:11:43 2020   Mon Jan 13 13:18:42 2020   NOTICE     SystemMaintenance                          EVT-UPGRADE-00004: DD OS upgrade is in progress     
      p0-13   Mon Jan 13 13:13:17 2020   (active)                   CRITICAL   Environment         Component=NVRAM File   EVT-ENVIRONMENT-00040: Unsupported virtual hardware configuration.     
      p0-14   Mon Jan 13 13:13:38 2020   (active)                   CRITICAL   Environment         Component=Disk         EVT-ENVIRONMENT-00040: Unsupported virtual hardware configuration.     
      p0-15   Mon Jan 13 13:18:42 2020   Mon Jan 13 13:18:48 2020   INFO       SystemMaintenance                          EVT-UPGRADE-00003: DD OS upgraded successfully.     
      m0-14   Mon Jan 13 13:15:50 2020   Mon Jan 13 13:16:18 2020   ALERT      Filesystem                                 EVT-FILESYS-00010: DDFS process died after reboot; restarting.     
      m0-15   Mon Jan 13 13:15:57 2020   Mon Jan 13 13:16:18 2020   ALERT      Filesystem                                 EVT-FILESYS-00011: DDFS process died; restarting.     
      m0-16   Mon Jan 13 13:17:48 2020   Mon Jan 13 13:18:18 2020   ERROR      Filesystem                                 EVT-FILESYS-00008: Filesystem has encountered an error and is restarting.     
      m0-17   Mon Jan 13 13:17:55 2020   Mon Jan 13 13:18:18 2020   ALERT      Filesystem                                 EVT-FILESYS-00011: DDFS process died; restarting.     
      m0-18   Mon Jan 13 13:17:56 2020   Mon Jan 13 13:18:18 2020   CRITICAL   Filesystem                                 EVT-FILESYS-00001: The filesystem is unable to start     
      m0-19   Mon Jan 13 15:48:34 2020   Mon Jan 13 15:48:49 2020   ALERT      Filesystem                                 EVT-FILESYS-00011: DDFS process died; restarting.     
      m0-20   Mon Jan 13 15:49:55 2020   Mon Jan 13 15:50:19 2020   ERROR      Filesystem                                 EVT-FILESYS-00008: Filesystem has encountered an error and is restarting.     
      m0-21   Mon Jan 13 15:50:02 2020   Mon Jan 13 15:50:19 2020   ALERT      Filesystem                                 EVT-FILESYS-00011: DDFS process died; restarting.     
      m0-22   Mon Jan 13 15:50:09 2020   Mon Jan 13 15:50:19 2020   CRITICAL   Filesystem                                 EVT-FILESYS-00001: The filesystem is unable to start     
      m0-23   Mon Jan 13 15:59:56 2020   Mon Jan 13 15:59:59 2020   ALERT      Filesystem                                 EVT-FILESYS-00010: DDFS process died after reboot; restarting.     
      m0-24   Mon Jan 13 16:00:03 2020   Mon Jan 13 16:00:29 2020   ALERT      Filesystem                                 EVT-FILESYS-00011: DDFS process died; restarting.     
      m0-25   Mon Jan 13 16:01:55 2020   Mon Jan 13 16:02:00 2020   ERROR      Filesystem                                 EVT-FILESYS-00008: Filesystem has encountered an error and is restarting.     
      m0-26   Mon Jan 13 16:02:02 2020   Mon Jan 13 16:02:30 2020   ALERT      Filesystem                                 EVT-FILESYS-00011: DDFS process died; restarting.     
      m0-27   Mon Jan 13 16:02:03 2020   Mon Jan 13 16:02:30 2020   CRITICAL   Filesystem                                 EVT-FILESYS-00001: The filesystem is unable to start     
      -----   ------------------------   ------------------------   --------   -----------------   --------------------   -------------------------------------------------------------------------
   
        
   
        
        
   
        
     
                                                           

 

 

Cause:

 

 

Dell EMC Data domain engineering has identified defect in start-up script which prevent system to mount NVRAM Disk during start-up. Bug reference is 251174   
     
                                                           

 

 

Resolution:

 

 

Workaround:       
       
        If your system currently showing above symptoms, please open service request with Dell EMC support team to apply workaround and bring up file system       
       
        Permanent Fix:       
       
        Upgrade system to one of DDOS version which includes fix for Bug 251174  and compatible with your backup application version