I am not ESERIES guy, but I found this information from NetApp Knowledgebase. I advise, kindly verify the same by raising a ticket with NetApp.
For disaster recovery (restore) : You will need configuration database (DBM) backup file. DBM database, includes data for RAID configuration, volume groups and disk pools.
Step 1: Save storage array DBM database:
https://library.netapp.com/ecmdocs/ECMLP2502818/html/GUID-21404A8E-CDD1-46A9-AAEC-64DF9EB49C67.html
Step 2: Save storage array DBM validator information file
Technical support can use this XML file to generate a validator string (a security code). The validator string must be included in the load storageArray dbmDatabase command when restoring a storage array back to a pre-existing configuration.
https://library.netapp.com/ecmdocs/ECMLP2502818/html/GUID-06877D9A-3377-46A8-9F31-ECE3F331FE5C.html
Step 3: Load(recovery) storage array DBM database:
https://library.netapp.com/ecmdocs/ECMLP2502818/html/GUID-DBA3C96A-F2D1-4287-BC0B-5D82E7CC543E.html
