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- https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/CIFS_creation_fails_with_LDAP_error__a_constraint_violation_occurredIn order to create an Active Directory machine account for the CIFS server, you must supply the name and password of a Windows account with sufficient Error: command failed: Failed to create the Activ...In order to create an Active Directory machine account for the CIFS server, you must supply the name and password of a Windows account with sufficient Error: command failed: Failed to create the Active Directory machine account "cifs1". Reason: LDAP Error: A constraint violation occurred. During a CIFS creation, a service principal name (SPN) is created for the CIFS server, and is attached to the <account> specified in the CIFS creation command.
- https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/User_sends_reset_packet_after_Negotiate_Protocol_Request_from_the_storage_systemFri Nov 24 12:56:16 GMT [filer1:cifs.server.errorMsg:error]: CIFS: Error for server \\DC1: Error while negotiating protocol with server STATUS_IO_TIMEOUT. Fri Nov 24 12:56:46 GMT [filer1:cifs.server.e...Fri Nov 24 12:56:16 GMT [filer1:cifs.server.errorMsg:error]: CIFS: Error for server \\DC1: Error while negotiating protocol with server STATUS_IO_TIMEOUT. Fri Nov 24 12:56:46 GMT [filer1:cifs.server.errorMsg:error]: CIFS: Error for server \\DC2: Error while negotiating protocol with server STATUS_IO_TIMEOUT. Fri Nov 24 12:57:16 GMT [filer1:cifs.server.errorMsg:error]: CIFS: Error for server \\DC3: Error while negotiating protocol with server STATUS_IO_TIMEOUT.
- https://kb.netapp.com/Cloud/Astra/Trident/rsize_and_wsize_not_reflected_in_the_mount_option_for_NFS_PersistentVolumeSpecified rsize or wsize in mountOptions of StorageClass or nfsMountOptions of Trident backend rsize and wsize specified in the configuration of StorageClass or Trident backend are not reflected in th...Specified rsize or wsize in mountOptions of StorageClass or nfsMountOptions of Trident backend rsize and wsize specified in the configuration of StorageClass or Trident backend are not reflected in the mount option for NFS PersistentVolume. [root@rhel3 setup]# tridentctl get backend BackendForNAS -o yaml -n trident | grep nfsMountOptions
- https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Unable_to_write_to_a_Symlink_CIFS_volume_due_to_not_enough_space_errorApplies to ONTAP 9.2 and later CIFS Symlink Issue Even though the volume has enough space to accommodate the file being copied/written, below error occurs: "There is not enough space on <volume>. You ...Applies to ONTAP 9.2 and later CIFS Symlink Issue Even though the volume has enough space to accommodate the file being copied/written, below error occurs: "There is not enough space on <volume>. You need an additional <number> MB to copy these files" Folder on which file is being copied is a Symlink and pointing to a different target volume.
- https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/How_does_AUTH_SYS_Extended_Groups_change_NFS_authenticationTo allow for NFS users to belong to more than 16 groups, the option to enable support for Extended Groups introduces ID validation via an appropriate Name Service If the user has group association loc...To allow for NFS users to belong to more than 16 groups, the option to enable support for Extended Groups introduces ID validation via an appropriate Name Service If the user has group association local to NFS client, not in name-services, ONTAP cannot grant access based on these unless the user and group are appropriately defined locally on the SVM The default for this setting is approximately 256, and can stop the Vserver from looking up all the groups in LDAP
- https://kb.netapp.com/Legacy/ONTAP/7Mode/All_files_folders_Unix_permissions_get_changed_from_777_to_700_after_migration_of_a_NTFS_volume_from_7_ModeApplies to ONTAP 9 and above 7MTT Volume Security Style: NTFS Issue After 7MTT migration of a NTFS security style volume, all files/folders Unix permissions get changed from 777 to 700(rwx --- ---) an...Applies to ONTAP 9 and above 7MTT Volume Security Style: NTFS Issue After 7MTT migration of a NTFS security style volume, all files/folders Unix permissions get changed from 777 to 700(rwx --- ---) and NFS user gets permission denied.
- https://kb.netapp.com/Cloud/Cloud_Volumes_Service/Cloud_Volumes_Service_for_AWS_Common_Questions_and_ResourcesError when creating - Failed to create the Active Directory machine account "LODDEMO". Reason: SecD Error: no server available Details: Error: Machine account creation procedure failed [ 0 ms] Trying ...Error when creating - Failed to create the Active Directory machine account "LODDEMO". Reason: SecD Error: no server available Details: Error: Machine account creation procedure failed [ 0 ms] Trying to create machine account 'LODDEMO' in 'DEMO.NETAPP.COM' for Vserver 'svm_98c264ad9f1c4c41b76ffd3d05c4f106_9b5e3359' [ 8] Entry for host-name: dc2.demo.netapp.com not found in any of the available sources **[ 9] FAILURE: Hostname lookup failed with error: hostname nor ** servname provided, or not k…
- https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/What_is_Change_Notify_and_why_is_there_a_high_packet_trace_response_timeThe response time is the delta between watched folder changes, but it is not required to per SMB spec so the updates only happen when a change actually occurs Example: If two users have the same folde...The response time is the delta between watched folder changes, but it is not required to per SMB spec so the updates only happen when a change actually occurs Example: If two users have the same folder open, and one users deletes a file, a change notify update is sent to the second user of the deleted file Change Notify only updates when the folder being monitored (for example when Windows Explorer is open on a share) has a file update
- https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Event_message_secd.nfsAuth.noNameMapFor this, you will need to configure a local name mapping for each user: vserver name-mapping create -vserver <vserver> -direction unix-win -position <int> -pattern pcuser -replacement <domain\user> A...For this, you will need to configure a local name mapping for each user: vserver name-mapping create -vserver <vserver> -direction unix-win -position <int> -pattern pcuser -replacement <domain\user> Also, ensure that the AD user you’re mapping to has the correct permissions to access the NTFS security style data. To find the source IP address of the NFS request, check the SECD log of the node listed in the message at the same timestamp
- https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Intermittent_CIFS_authentication_failuresWed Sep 24 10:11:27 GMT [CLUSTER-05: kernel: Nblade_CifsOperationTimedOut_1:error]: params: {'remoteBladeID':'00000000000000000000000000000000', 'cmdRestartCnt': '0', 'vserverId': '5', 'commandName': ...Wed Sep 24 10:11:27 GMT [CLUSTER-05: kernel: Nblade_CifsOperationTimedOut_1:error]: params: {'remoteBladeID':'00000000000000000000000000000000', 'cmdRestartCnt': '0', 'vserverId': '5', 'commandName': 'SMB2_COM_SESSION_SETUP', 'isQosEnabled': 'QoS_disabled', 'lastSpinNpError': 'SPINNP_NO_FO_ERROR', 'localIpAddress': '172.16.1.255', 'lastCsmError': 'CSM_OK', 'clientIpAddress': '172.16.2.255', 'suspensionCnt': '1', 'dsId': '0'}
- https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Which_Network_File_System_NFS_TCP_and_NFS_UDP_ports_are_used_on_the_storage_systemThe default ports used by the storage controller are as follows, It is possible to modify those default ports, therefore to check the currently configured ports on your storage controller please use t...The default ports used by the storage controller are as follows, It is possible to modify those default ports, therefore to check the currently configured ports on your storage controller please use the following commands, Alternatively show the ports listening on the node with the following 100003 4 tcp 2049 nfs 100003 3 tcp 2049 nfs 100003 2 tcp 2049 nfs 100003 3 udp 2049 nfs 100003 2 udp 2049 nfs