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- https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/How_to_roll_back_Service_Processor_firmwareApplies to FAS Systems AFF Systems Description Under certain conditions, it becomes necessary to revert (roll back) the Service Processor (SP) firmware from higher version to lower version. Confirm SP...Applies to FAS Systems AFF Systems Description Under certain conditions, it becomes necessary to revert (roll back) the Service Processor (SP) firmware from higher version to lower version. Confirm SP firmware and ONTAP compatibility by checking the Compatibility Matrix
- https://kb.netapp.com/hybrid/StorageGRID/Maintenance/Can_StorageGrid_OS_upgrade_be_aborted_and_reverted_to_the_previous_versionApplies to NetApp StorageGRID Answer StorageGRID only supports upgrades. Downgrade to the previous version is not supported. Additional Information
- https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Downgrade_BES-53248_firmware_from_3.4.4.4_is_failingBES-53248 Firmware Downgrade Firmware Version 3.4.4.4 Downgrade BES-53248 firmware from 3.4.4.4 is failing with an error: bes-switch) #copy <file_path_url> active Management access will be blocked for...BES-53248 Firmware Downgrade Firmware Version 3.4.4.4 Downgrade BES-53248 firmware from 3.4.4.4 is failing with an error: bes-switch) #copy <file_path_url> active Management access will be blocked for the duration of the transfer Are you sure you want to start? (y/n) y File transfer in progress. Management access will be blocked for the duration of the transfer. HTTP Code transfer starting... File transfer operation failed.
- https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/How_to_roll_back_Baseboard_Management_Controller_firmwareApplies to FAS Systems AFF Systems Baseboard Management Controller (BMC) Description Under certain conditions, it becomes necessary to revert (roll back) the BMC firmware from higher version to lower ...Applies to FAS Systems AFF Systems Baseboard Management Controller (BMC) Description Under certain conditions, it becomes necessary to revert (roll back) the BMC firmware from higher version to lower version. Confirm BMC firmware and ONTAP compatibility by checking the Compatibility Matrix
- https://kb.netapp.com/data-mgmt/AIQUM/AIQUM_Kbs/MySQL_fails_to_start_when_Active_IQ_Unified_Manager_is_reverted_from_a_newer_version_to_an_older_versionWhen reverting from Unified Manager (UM) to earlier versions of Unified Manager, MySQL fails to start. This MySQL start failure will also cause the new install of the previous versions of UM to fail. ...When reverting from Unified Manager (UM) to earlier versions of Unified Manager, MySQL fails to start. This MySQL start failure will also cause the new install of the previous versions of UM to fail. May 05 16:38:36 <server_name> systemd[1]: Failed to start MySQL Server. 2020-05-05T00:21:13.687193Z 0 [ERROR] [FATAL] InnoDB: Table flags are 0 in the data dictionary but the flags in file ./ibdata1 are 0x4000! The error seen on the CLI during the UM install is:
- https://kb.netapp.com/on-prem/E-Series/SANtricity-OS-KBs/Issue_downgrading_the_controllers_NVSRAM_firmware__from_11.50.x__to_11.40.xNVSRAM firmware can not be downgraded The follwing error is received download storageArray NVSRAM file = "D:\Netapp_Tools\ESERIES_OS\E28XX_11.40.2\N280X-842834-D01.dlp" forceDownload=true;) Error down...NVSRAM firmware can not be downgraded The follwing error is received download storageArray NVSRAM file = "D:\Netapp_Tools\ESERIES_OS\E28XX_11.40.2\N280X-842834-D01.dlp" forceDownload=true;) Error downloading file in the Download command at line 2. Error 3 - The operation cannot complete because a controller resource is being used by another process. If there are other array management operations in progress, wait for them to complete, and then retry the operation.
- https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/What_is_the_impact_of_reverting_ONTAPApplies to ONTAP 9 ONTAP revert Reverting ONTAP is a disruptive and complex process that carries significant risks and can cause issues with: It is generally advised against unless absolutely necessar...Applies to ONTAP 9 ONTAP revert Reverting ONTAP is a disruptive and complex process that carries significant risks and can cause issues with: It is generally advised against unless absolutely necessary If issues arises, it is recommended to explore alternative solutions and consult the relevant documentation before proceeding with a reversion Do I need technical support to revert an ONTAP cluster? ONTAP revert issues and limitations How long does an ONTAP revert take? How to Revert a cluster
- https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/How_to_downgrade_CN1610_cluster_network_switch_FASTPATH_firmwareApplies to CN1610 Cluster Interconnect Switch Description Downgrade/revert plan for CN1610 cluster switch FASTPATH firmware, to back out of firmware upgrade.
- https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/PANIC__Upgrade_unsupported_from_release_9_7_to_release_9_10_in_SK_process_rc_on_release_9_10_1P3After downgrade, subsequent reboot failed with PANIC: Upgrade unsupported from release 9.7 to release 9.10 in SK process rc on release 9.10.1P3 (C) on Sun Dec 18 06:28:38 GMT 2022 varfs_backup_restore...After downgrade, subsequent reboot failed with PANIC: Upgrade unsupported from release 9.7 to release 9.10 in SK process rc on release 9.10.1P3 (C) on Sun Dec 18 06:28:38 GMT 2022 varfs_backup_restore: attempting to restore env file to the boot device PANIC: Upgrade unsupported from release 9.7 to release 9.10 in SK process rc on release 9.10.1P3 (C) on Sun Dec 18 06:28:34 GMT 2022 PANIC: NVRAM contents are invalid... in SK process rc on release 9.7P20 (C) on Sun Dec 18 08:02:22 GMT 2022
- https://kb.netapp.com/on-prem/E-Series/SANtricity-OS-KBs/E-Series_downgrade_utility_does_not_work_from_11.50.2_to_11.40.XApplies to E-Series 11.50.2 Issue When attempting to run the downgrade utility prior to downgrading from 11.50.2 to 11.40.x, or earlier, the following error occurs: Error: Could not find or load main ...Applies to E-Series 11.50.2 Issue When attempting to run the downgrade utility prior to downgrading from 11.50.2 to 11.40.x, or earlier, the following error occurs: Error: Could not find or load main class com.ni.eseries.aa.utils.UnsaltAdminPasswordUtility Caused by: java.lang.ClassNotFoundException: com.ni.eseries.aa.utils.UnsaltAdminPasswordUtility
- https://kb.netapp.com/on-prem/E-Series/SANtricity-OS-KBs/How_to_downgrade_E-Series_SANtricity_OS_from_11.70.x_to_11.60.xApplies to E2800 E5700 SANtricity OS 11.70.x Description Attempting to downgrade the SANtrcicity OS Software to version 11.60.x using the System Manager result in the following error: