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    • SAS cabling issue: Both SAS connections from one controller go to the same shelf
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/SAS_cabling_issue__Both_SAS_connections_from_one_controller_go_to_the_same_shelf
      The Universal SAS and ACP cabling guide lays out several cabling rules for reliability, universality, and commonality. One of these rules is that - of the two paths to a single disk storage stack from...The Universal SAS and ACP cabling guide lays out several cabling rules for reliability, universality, and commonality. One of these rules is that - of the two paths to a single disk storage stack from a single node, one should connect to the top and one to the bottom of the storage stack. If you are informed either by MyAutoSupport or another source that this particular rule is being violated, this article shows how to diagnose and possibly remediate the issue with no downtime.
    • 7MTT migration does not retain the domain information in “Quota target” due to numeric values in user name
      https://kb.netapp.com/Legacy/ONTAP/7Mode/7MTT_migration_does_not_retain_the_domain_information_in_Quota_target_due_to_numeric_values_in_user_name
      Applies to 7-Mode Transition Tool(7MTT) 3.3.1 ONTAP 7-Mode 8.2 ONTAP 8.2 Cluster Mode ONTAP 9 Issue Quota rule is transitioned from 7-mode, however the domain information is missing Example: "subAffec...Applies to 7-Mode Transition Tool(7MTT) 3.3.1 ONTAP 7-Mode 8.2 ONTAP 8.2 Cluster Mode ONTAP 9 Issue Quota rule is transitioned from 7-mode, however the domain information is missing Example: "subAffectedObjectsMap" : { "Qtree" : "qtree1", "Quota Type" : "user", "Quota Target" : "12345678", "7-Mode Quota Entry" : "domain_name\\12345678 user@/vol/volname/qtree1 1024000K - - - -", "Perform User Mapping" : "off"
    • 7MTT Precheck 10112 - How qtree client access through a parent volume differs in Data ONTAP 7-Mode and clustered Data ONTAP
      https://kb.netapp.com/Legacy/ONTAP/7Mode/7MTT_Precheck_10112_-_How_qtree_client_access_through_a_parent_volume_differs_in_Data_ONTAP_7-Mode_and_clustered_Data_ONTAP
      In the Data ONTAP 7-Mode storage system, when an NFS client accesses a qtree through the mount point of its parent volume, the qtree export rules are ignored and the export rules of its parent volume ...In the Data ONTAP 7-Mode storage system, when an NFS client accesses a qtree through the mount point of its parent volume, the qtree export rules are ignored and the export rules of its parent volume are in effect. However, when the client accesses the qtree through the mount point of its parent volume, the client can write to the qtree because the client has read/write access to the volume.
    • How to find back-end switch information from ONTAP, in Fabric-Attached MetroCluster setup
      https://kb.netapp.com/on-prem/ontap/mc/MC-KBs/How_to_find_back_end_switch_information_from_ONTAP_in_Fabric_Attached_MetroCluster_setup
      Applies to FAS / AFF systems Fabric-Attached MetroCluster (7-Mode / Cluster Mode) Description This article describes about identifying the back-end switch vendor, model and firmware version in a Fabri...Applies to FAS / AFF systems Fabric-Attached MetroCluster (7-Mode / Cluster Mode) Description This article describes about identifying the back-end switch vendor, model and firmware version in a Fabric-Attached MetroCluster system from ONTAP console This includes both 7-Mode and Clustered Data ONTAP versions
    • What is the Support Statement for dNFS on Data ONTAP 7-Mode and clustered Data ONTAP FAS?
      https://kb.netapp.com/Legacy/ONTAP/7Mode/What_is_the_Support_Statement_for_dNFS_on_Data_ONTAP_7_Mode_and_clustered_Data_ONTAP_FAS
      NetApp supports the use of the Oracle dNFS clients. Important known Bug fixes for Direct NFS for Oracle RDBMS are listed below: There is a performance degradation for multiblock reads when using Direc...NetApp supports the use of the Oracle dNFS clients. Important known Bug fixes for Direct NFS for Oracle RDBMS are listed below: There is a performance degradation for multiblock reads when using Direct NFS, as Direct NFS fragments reads into multiple single block reads. These reads are not fragmented if the OS NFS client is being used. For maximum performance and stability, NetApp recommends to install all patches affecting Direct NFS described in Oracle document 1495104.1 for Oracle RDBMS.
    • ActiveIQ Unified Manager will not authorize adding a cluster via HTTPS or switching to HTTPS
      https://kb.netapp.com/Legacy/OnCommand_Suite/ActiveIQ_Unified_Manager_will_not_authorize_adding_a_cluster_via_HTTPS_or_switching_to_HTTPS
      Applies to Active IQ Unified Manager 9.6+ OnCommand Unified Manager 6.x/7.x Issue Adding a cluster displays the following message: Authorize <hostname or IP> host Host <hostname or IP> you specified h...Applies to Active IQ Unified Manager 9.6+ OnCommand Unified Manager 6.x/7.x Issue Adding a cluster displays the following message: Authorize <hostname or IP> host Host <hostname or IP> you specified has identified itself with a self signed certificate that has expired. Therefore, you cannot proceed. Switching from HTTP to HTTPS displays the following message: <hostname or IP> cannot be contacted. Enter a valid host name or cluster management IP address, protocol and port.
    • The "system node show" command reports an incorrect uptime value
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/The_system_node_show_command_reports_an_incorrect_uptime_value
      Applies to Clustered Data ONTAP Issue Incorrect uptime on system node show command.
    • 7-Mode Phantom volume can't be deleted "This operation is not supported on 7-mode volume 'vol0'"
      https://kb.netapp.com/Legacy/ONTAP/7Mode/7_Mode_Phantom_volume_can_t_be_deleted_This_operation_is_not_supported_on_7_mode_volume_vol0
      Applies to ONTAP 9 Clustered Data ONTAP 8 Issue Can't delete 7-Mode Phantom Volume. Example: cdot1::> vol delete -vserver vserverName -volume vol0 Error: command failed: This operation is not supporte...Applies to ONTAP 9 Clustered Data ONTAP 8 Issue Can't delete 7-Mode Phantom Volume. Example: cdot1::> vol delete -vserver vserverName -volume vol0 Error: command failed: This operation is not supported on 7-mode volume "vol0".
    • The upgrade path cannot be determined after repurpose
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/The_upgrade_path_cannot_be_determined_after_repurpose
      The upgrade path cannot be determined. This occurs after a re-purpose from 7-Mode to Clustered Data ONTAP or from downgrading to a lower version within ONTAP. If prior upgrade was attempted but not co...The upgrade path cannot be determined. This occurs after a re-purpose from 7-Mode to Clustered Data ONTAP or from downgrading to a lower version within ONTAP. If prior upgrade was attempted but not completed and now upgrading to a lower version than installed on alternate image, attempts to upgrade will fail on image validation with error: Action: to complete the upgrade, run the advanced privilege command "system node upgrade-revert upgrade" on each node
    • Error - Abort Command issued from host
      https://kb.netapp.com/on-prem/ontap/da/SAN/SAN-KBs/Error_-_Abort_Command_issued_from_host
      While the exact message may vary depending on the host operating system and the HBA model/driver, the errors will generally look like the following: 2016-01-31T23:14:36.250Z cpu45:33200)<7>fnic : 1 ::...While the exact message may vary depending on the host operating system and the HBA model/driver, the errors will generally look like the following: 2016-01-31T23:14:36.250Z cpu45:33200)<7>fnic : 1 :: Abort Cmd called FCID 0xb0020, LUN 0x7 TAG 74 flags 3 2016-01-31T23:14:36.257Z cpu45:33200)<7>fnic : 1 :: Returning from abort cmd type 2 SUCCESS 2016-01-31T23:14:36.257Z cpu6:33199)<7>fnic : 1 :: Returning from abort cmd type 2 SUCCESS
    • How to non-disruptively change between Active-Passive and ALUA failover modes on NetApp E-Series arrays connected to clustered Data ONTAP systems
      https://kb.netapp.com/on-prem/E-Series/Hardware-KBs/How_to_non-disruptively_change_between_Active-Passive_and_ALUA_failover_modes
      Starting with clustered Data ONTAP 8.2.3, 'Data ONTAP (ALUA)' Host type (Host Operating System) is supported and is recommended for use with NetApp E-Series storage arrays. The following procedure for...Starting with clustered Data ONTAP 8.2.3, 'Data ONTAP (ALUA)' Host type (Host Operating System) is supported and is recommended for use with NetApp E-Series storage arrays. The following procedure for changing the E-Series host type from RDAC to ALUA must be completed prior to upgrading to 8.25 and later. The objective of this document is to provide a non-disruptive procedure to convert the host type on the NetApp E-Series array connected to clustered Data ONTAP systems.