Disk path changed to /dev/mdXXX after reboot

           

   Article Number:     530829                                   Article Version: 2     Article Type:    Break Fix 
   

 


Product:

 

VxFlex OS

 

Issue:

 

 

   

      Issue Description   

   

      Failed devices and path changed in the GUI to /dev/mdXXX after server reboot   

   

      Scenario   

   

      Disks in failed state in the GUI/CLI after server reboot   

   

      Devices on the SDS server changed their path to /dev/mxXXX (usually numbers) after server reboot   

   

      Symptoms   

   

      Failed devices in the GUI and CLI     
      User-added image     
     
      lsblk output will be similar to the output below:     
      User-added image     
     
      The server were previously using software RAID:     
      User-added image     
          

   

      Impact   

   

      Multiple device failure may lead to DU   

                                                             

 

 

Cause:

 

 

   

      Root cause   

   

      The disks were previously used by software RAID. https://en.wikipedia.org/wiki/Mdadm   

                                                             

 

 

Resolution:

 

 

   

      Resolution   

   

      Delete the RAID definitions using the commands:    

   

      mdadm --stop /dev/mdXXX   

   

      mdadm --remove /dev/mdXXX   

                                                             

 

 

Notes:

 

 

   

      Impacted versions   

   

      All. Not ScaleiO code issue   

   

      Fixed in version   

   

      N/A