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    • Can a StorageGRID upgrade be aborted and reverted to the previous version?
      https://kb.netapp.com/hybrid/StorageGRID/Maintenance/Can_StorageGrid_OS_upgrade_be_aborted_and_reverted_to_the_previous_version
      Applies to NetApp StorageGRID Answer StorageGRID only supports upgrades. Downgrade to the previous version is not supported. Additional Information
    • What is the downgrade procedure in case a CVO upgrade fails?
      https://kb.netapp.com/Cloud/Cloud_Volumes_ONTAP/What_is_the_downgrade_procedure_in_case_a_CVO_upgrade_fails
      Cloud Volumes ONTAP (CVO) Software Upgrade Software Downgrade In case of any issue with the upgrade, open a support case with NetApp. NetApp will handle the case according to priority (standard proces...Cloud Volumes ONTAP (CVO) Software Upgrade Software Downgrade In case of any issue with the upgrade, open a support case with NetApp. NetApp will handle the case according to priority (standard process). If there is no other way to resolve the issue, and with guidance from engineering, the system will be reverted to the pre-upgrade SW version. Historically, this scenario is extremely rare and unlikely to happen. Cloud Manager doesn’t support downgrading Cloud Volumes ONTAP to a previous version
    • How to restore SnapCenter repository from a mysqldump file
      https://kb.netapp.com/data-mgmt/SnapCenter/SC_KBs/How_to_restore_SnapCenter_repository_from_a_mysqldump_file
      SnapCenter Server According to Upgrading the SnapCenter Server, creating a SnapCenter MySQL database dump before upgrading is needed if the repository backup is not configured. Create the SnapCenter M...SnapCenter Server According to Upgrading the SnapCenter Server, creating a SnapCenter MySQL database dump before upgrading is needed if the repository backup is not configured. Create the SnapCenter MySQL database dump if the repository backup is not configured. mysqldump --all-databases --single-transaction --add-drop-database --triggers --routines --events -u root -p > D:\SCBackup\SCRepoBackup.dmp This article describes how to restore SnapCenter NSM repository database from the mysqldump file.
    • PANIC: src/Protocols/NGProcess/AuditConfig.cc:288:addVserverAuditConfig
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/PANIC__src_Protocols_NGProcess_AuditConfig_cc_288_addVserverAuditConfig
      Applies to ONTAP 9.9.1 Issue After reverting ONTAP version from 9.10.1 to 9.9.1, the node is stuck in panic reboot loop PANIC: src/Protocols/NGProcess/AuditConfig.cc:288:addVserverAuditConfig: Asserti...Applies to ONTAP 9.9.1 Issue After reverting ONTAP version from 9.10.1 to 9.9.1, the node is stuck in panic reboot loop PANIC: src/Protocols/NGProcess/AuditConfig.cc:288:addVserverAuditConfig: Assertion failure. in SK process svc_queue_thread on release 9.9.1 (C) on Tue Aug 1 10:38:21 2023 version: 9.9.1: Sun Jun 13 07:48:38 EDT 2021
    • ONTAP revert to an earlier version fails though all snapshot policies are disabled
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/ONTAP_revert_to_an_earlier_version_fails_though_all_snapshot_policies_are_disabled
      Revert to an earlier ONTAP version fails even though all snapshot policies are disabled. Disable snapshot policies. Command to list snapshot policies: "snapshot policy show". Command to disable snapsh...Revert to an earlier ONTAP version fails even though all snapshot policies are disabled. Disable snapshot policies. Command to list snapshot policies: "snapshot policy show". Command to disable snapshot policies: "snapshot policy modify -vserver * -enabled false" Cluster::*> snapshot policy show default 3 false Default policy with hourly, daily & weekly schedules. default-1weekly 3 false Default policy with 6 hourly, 2 daily & 1 weekly schedule.
    • How to downgrade CN1610 cluster network switch FASTPATH firmware
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/How_to_downgrade_CN1610_cluster_network_switch_FASTPATH_firmware
      Applies to CN1610 Cluster Interconnect Switch Description Downgrade/revert plan for CN1610 cluster switch FASTPATH firmware, to back out of firmware upgrade.