PowerFlex 2.0: How to Reset the Primary MDM Admin Password

Summary: How to reset ScaleIO cluster passwords for ScaleIO version 2.x.

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Instructions

How to reset the Primary MDM admin password:

  1. Create a file named MDM_SERVICE_MODE on the MDM in the location: /opt/emc/scaleio/mdm/logs/MDM_SERVICE_MODE.
  2. Edit the file and add the text Reset Admin in the line scli --reset_admin.
  3. After the password is reset, the new password is admin.
  4. Use --set_password [--old_password <OLD_PASSWORD>] [--new_password <NEW_PASSWORD>] to change it to the preferred password.
scli --reset_admin

How to reset the LIA password:
See article 24811: How to configure the LIA password manually after the ScaleIO Cluster is deployed.  

How to reset the Gateway password:

  1. Run command: /opt/emc/scaleio/gateway/bin/SioGWTool.sh --reset_password --password <new_scaleiogateway_password> --config_file /opt/emc/scaleio/gateway/webapps/ROOT/WEB-INF/classes/gatewayUser.properties
Note: Do not use ' ! ' in the password.
  1. From vCenter Web client: 
    1. Open ScaleIO Gateway, then wait for it to finish navigating. 
reset Gateway password
  1. Open Update System credentials to update System credentials if the Primary MDM admin password has been reset. 
Update System credentials
  1. Register or update ScaleIO Gateway: 
update ScaleIO Gateway: 
 
Note: Operating system username and password are the Gateway machine credentials. 


Verify new passwords:
Verify new passwords by opening ScaleIO Gateway from vCenter Web client, then access the Installation Manager > Gateway Portal with the new credentials. 

Verify new passwords:

Affected Products

VxFlex Product Family
Article Properties
Article Number: 000019468
Article Type: How To
Last Modified: 20 Oct 2025
Version:  6
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