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CAUTION: Before executing any recovery or update procedure with the RM tool, it is recommended to back

up the current configuration. You can use the backup option in the Cluster Services tab on the CSN console to

backup the current configuration.

a) Enter the access code and follow the on-screen instructions.

A screen is displayed which shows the versions of the RM and the DX system.

b) Click Next.

RM determines if data recovery is possible.

c) Do one of the following:

If data recovery is possible, click Reboot to restart the system. The RM completes installing the DX

system software, drivers, and firmware. After the installation is complete, a message is displayed

prompting you to restart the system. After restarting, the DX system is installed and ready for initial

configuration.

If data recovery is not possible, an error message is displayed. Re-run the RM in Factory mode and

follow the instructions in step 4.

The RM saves all the user settings at: /u01/system_recovery_data/

NOTE: The Backup Manifest UUID is saved in the /u01/system_recovery_data/bootstrap file. This information is

required to reconfigure the CSN. The other UUID is contained within (the saved) cluster.cfg file which contains the

cluster settings.

NOTE: Manual steps must be followed to reconfigure the CSN with the saved settings. For more information on

completing the recovery process, see

Upgrading From DX 2.x To DX 3.1 Using Restore Manager

NOTE: A direct upgrade from DX version 1.0 to DX version 3.1 is not supported. To upgrade from version 1.0 to

version 3.1, you must first upgrade to DX version 2.

x.x , see

DX 1.0 to DX 2.

To prepare for an upgrade from DX 2.

Create a backup of the current configuration:

a) On the Dell DX Object Storage Platform screen, select Cluster Services → Backup and Restore.

b) Click Create Backup to start the backup process.

The Configuration and Backup Restore page is displayed.

c) After the backup is complete, and the Manifest is saved, the Manifest UUID is displayed on the Configuration

and Backup Restore screen.

Note down the Manifest UUID. The Manifest UUID is required to restore an earlier configuration.

NOTE: You can locate the Manifest UUID at: /var/opt/caringo/csn/backup/manifest/bootstrap

Run the RM in Recovery Mode.

The RM installs the Operating System, and saves the configuration files.

On the CSN, the following user settings are saved in the backup location:

Reconfiguring The

Appendix – Upgrading DX Systems From Version 1 To Version

x to DX 3.1:

CSN.

x.x , and then to DX 3.1. For more information on upgrading from