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Encourage Maintenance Mode even in duplex/HA StorageGRID Appliances
https://kb.netapp.com/hybrid/StorageGRID/Object_Mgmt/Encourage_Maintenance_Mode_even_in_duplex_HA_StorageGRID_Appliances
Applies to StorageGRID Appliances Issue issue_text
StorageGRID node stuck in maintenance mode after disk firmware or Santricity upgrade
https://kb.netapp.com/hybrid/StorageGRID/Maintenance/StorageGRID_node_stuck_in_maintenance_mode_after_disk_firmware_or_Santricity_upgrade
Applies to StorageGRID 11.4 and later StorageGRID Appliance Issue StorageGRID storage node stuck in maintenance after upgrading disk firmware on e-series system. Or StorageGRID storage node is stuck i...Applies to StorageGRID 11.4 and later StorageGRID Appliance Issue StorageGRID storage node stuck in maintenance after upgrading disk firmware on e-series system. Or StorageGRID storage node is stuck in PGE after upgradring Santricity on Santricity GUI without setting maintenance mode. Unexpected power outage or disruption of IO can also lead to filesystem damage.
Uplinks flapping on H300E
https://kb.netapp.com/on-prem/solidfire/Element_OS_Kbs/Uplinks_flapping_on_H300E
<NMLX_INF> nmlx5_core: vmnic4: nmlx5_en_UplinkQGetStats - (vmkdrivers/native/BSD/Network/mlnx/nmlx5/nmlx5_core/nmlx5_core_en_multiq.c:1777) not supported <NMLX_INF> nmlx5_core: vmnic5: nmlx5_en_Uplink...<NMLX_INF> nmlx5_core: vmnic4: nmlx5_en_UplinkQGetStats - (vmkdrivers/native/BSD/Network/mlnx/nmlx5/nmlx5_core/nmlx5_core_en_multiq.c:1777) not supported <NMLX_INF> nmlx5_core: vmnic5: nmlx5_en_UplinkQGetStats - (vmkdrivers/native/BSD/Network/mlnx/nmlx5/nmlx5_core/nmlx5_core_en_multiq.c:1777) not supported cpu11:2102461)WARNING: cswitch: VLAN_PortGetVLANData:397: [nsx@6876 comp="nsx-esx" subcomp="vswitch"]No vlan data for non dvs ports or ports without port group 0x2000001
StorageGRID compute node fails to boot after SANtricty OS upgrade
https://kb.netapp.com/hybrid/StorageGRID/Object_Mgmt/StorageGRID_compute_node_fails_to_boot_after_SANtricty_OS_upgrade
After upgrade of SANtricity OS using maintenance mode, the storage node doesn't boot [ 390.370301] XFS (dm-2): Corruption warning: Metadata has LSN (-1179606016:-1157565695) ahead of current LSN (1067...After upgrade of SANtricity OS using maintenance mode, the storage node doesn't boot [ 390.370301] XFS (dm-2): Corruption warning: Metadata has LSN (-1179606016:-1157565695) ahead of current LSN (10678:471485). [ 390.503105] XFS (dm-2): Metadata CRC error detected at xfs_bmbt_read_verify+0x15/0xc0 [xfs], xfs_bmbt block 0x2f526ef8 [ 478.663162] XFS (dm-2): Corruption warning: Metadata has LSN (-1179606016:-1157565695) ahead of current LSN (10678:471812).
StorageGRID Appliance stuck with maintenance mode and unable to reboot
https://kb.netapp.com/hybrid/StorageGRID/Platforms/StorageGRID_Appliance_stuck_with_maintenance_mode_and_unable_to_reboot
Applies to NetApp StorageGRID 11.1 and above NetApp StorageGRID appliances PGE (Pre-Grid Environment) Issue StorageGRID storage node is put to maintenance mode from the StorageGRID manager. The applia...Applies to NetApp StorageGRID 11.1 and above NetApp StorageGRID appliances PGE (Pre-Grid Environment) Issue StorageGRID storage node is put to maintenance mode from the StorageGRID manager. The appliance installer page URL is not accessible https://<appliance IP>:8443 due to firewall restrictions. Access via admin network get "bad gateway; The StorageGRID Appliance API service is not responding" The management IP is ping-able.
What are the differences between boot_ontap maint and boot_diags?
https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/What_are_the_differences_between_boot_ontap_maint_and_boot_diags
Meant for running maintenance mode only configuration change commands, such as 'ha-config modify' or 'ucadmin modify' or 'disk reassign'. Any maintenance command that writes a new configuration should...Meant for running maintenance mode only configuration change commands, such as 'ha-config modify' or 'ucadmin modify' or 'disk reassign'. Any maintenance command that writes a new configuration should be run from this kernel Can be used to run 'show' commands in maintenance mode, prior to issuing the 'sldiags' command Should not be in conjunction with any commands that modify the node configuration in maintenance mode
sldiag "ddr Memory Test" never completes on FAS8000 or AFF8000 controllers in ONTAP 9.8
https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/sldiag_ddr_Memory_Test_never_completes_on_FAS8000_or_AFF8000_controllers_in_ONTAP_9_8
While executing the sldiag command in maintenance mode, the test named "ddr Memory Test" never completes regardless of the amount of time that expires. 0d Target Fcal Fri Sep 3 00:22:30 Fri Sep 3 00:2...While executing the sldiag command in maintenance mode, the test named "ddr Memory Test" never completes regardless of the amount of time that expires. 0d Target Fcal Fri Sep 3 00:22:30 Fri Sep 3 00:23:27 PASSED 1/1 slot0 FRU Info Test Fri Sep 3 00:22:32 Fri Sep 3 00:22:32 PASSED 1/1 mem Memory Details Fri Sep 3 00:22:32 Fri Sep 3 00:22:32 Completed 1/1 slot0 ddr Memory Test Fri Sep 3 00:22:32 N/A Running 0/1 NVRAM:00 Running DDR Memory Test with ReadOnly Test Pattern.
Will putting a storage node into maintenance mode reduce the overall capacity
https://kb.netapp.com/on-prem/solidfire/Element_OS_Kbs/Will_putting_a_storage_node_into_maintenance_mode_reduce_the_overall_capacity
Applies to Element OS Answer Putting a storage node into maintenance mode will not remove its drives from the cluster Hence, the cluster's overall capacity will not decrease Additional Information If ...Applies to Element OS Answer Putting a storage node into maintenance mode will not remove its drives from the cluster Hence, the cluster's overall capacity will not decrease Additional Information If the operation to disable maintenance mode on the storage node times out, the drives will be removed from the cluster, thereby reducing the cluster's overall capacity How to use Maintenance Mode in NetApp Element software