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    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/FAS_AFF_Controller_is_not_booting_and_gives_error__failed_to_restage_copy_flash_to_nvmem
      Applies to AFF/FAS Systems Controller reboots back to 'Loader' Prompt when "boot_ontap" is performed and below errors are displayed: Tue Jun 9 08:41:59 2020 [nv2flash.misc.dbg:NOTICE]: Failed to resto...Applies to AFF/FAS Systems Controller reboots back to 'Loader' Prompt when "boot_ontap" is performed and below errors are displayed: Tue Jun 9 08:41:59 2020 [nv2flash.misc.dbg:NOTICE]: Failed to restore restage key, ret 0x69 Tue Jun 9 08:41:59 2020 [nvram.decryption.key.unavail:FAULT]:Cannot retrieve the keys for NVRAM/NVMEM to decrypt data from the flash device. To prevent NVRAM/NVMEM data loss, halt the system. System is going to shutdown because failed to restage(copy flash to nvmem).