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SnapCenter Oracle clone fails with: PLAT-00023: chown 54321.54321 on NFS
https://kb.netapp.com/data-mgmt/SnapCenter/SC_KBs/SnapCenter_Oracle_clone_fails_with__PLAT_00023__chown_54321_54321_on_NFS
Repeating the same SCO clone fails with the following error: PL-SCO-30000: Cloning of database with SID <NEWSID> failed with error: The "oradata" mount can be either NFS, or an LVM with ext4 or XFS (w...Repeating the same SCO clone fails with the following error: PL-SCO-30000: Cloning of database with SID <NEWSID> failed with error: The "oradata" mount can be either NFS, or an LVM with ext4 or XFS (which normally supports these type of chown values). This only happens if that mount path has been used before, and was part of /etc/fstab before deleting the clone from the UI in SC up to 4.6P1.
Linux NFS client lost connection after SVM migration by SnapMirror volume replication
https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Linux_NFS_client_lost_connection_after_SVM_migration_by_SnapMirror_volume_replication
Applies to ONTAP 9 SnapMirror Storage Virtual Machine Disaster Recovery (SVM DR) Issue Linux NFS clients lost connection to export volumes after SVM migration by SnapMirror volume replication A reboot...Applies to ONTAP 9 SnapMirror Storage Virtual Machine Disaster Recovery (SVM DR) Issue Linux NFS clients lost connection to export volumes after SVM migration by SnapMirror volume replication A reboot of the NFS client could restore the connection
ls and df hang despite no changes to nfs configuration
https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/ls_and_df_hang_despite_no_changes_to_nfs_configuration
Applies to ONTAP 9 NFS Issue Seemingly spontaneous loss of NFS access Mount is possible, but file access, ls, and df fail Onset of issue correlate with addition of nodes to the cluster, or reboot of c...Applies to ONTAP 9 NFS Issue Seemingly spontaneous loss of NFS access Mount is possible, but file access, ls, and df fail Onset of issue correlate with addition of nodes to the cluster, or reboot of cluster nodes
Root volume cannot be mounted
https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Root_volume_cannot_be_mounted
Mounting root volume is not possible The root volume is NTFS security style in the EMS log the following errors can be seen: [ 0 ms] Determined UNIX id 0 is UNIX user 'root' [ 0] UNIX user 'root' ...Mounting root volume is not possible The root volume is NTFS security style in the EMS log the following errors can be seen: [ 0 ms] Determined UNIX id 0 is UNIX user 'root' [ 0] UNIX user 'root' mapped to Windows user 'DEMO\root' [ 8] FAILURE: Could not get credentials via S4U2Self based on full Windows user name 'root@DEMO.NETAPP.COM'. Access denied [ 10] Could not get credentials for Windows 'root' or SID 'S-1-5-21-57989841-436374069-839522115-2112' Failed to get user credentials.
NFS clients return Illegal NFS file handle error
https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/NFS_clients_return_Illegal_NFS_file_handle_error
Applies to ONTAP 9 Network File System(NFS) Issue NFS server changed from7-mode storage system to Cluster-mode storage system The same storage IP settings also moved from 7-mode to cMode. NFS clients ...Applies to ONTAP 9 Network File System(NFS) Issue NFS server changed from7-mode storage system to Cluster-mode storage system The same storage IP settings also moved from 7-mode to cMode. NFS clients start to return Illegal NFS file handle error when accessing the mount point that has already been redirected to Cluster-mode storage system
Previously working nfs volume mount starts getting Permission Denied error on mount
https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Previously_working_nfs_volume_mount_starts_getting_Permission_Denied_error_on_mount
Applies to ONTAP 9 Issue Linux client that was previously able to mount and write to a volume is no longer able to Linux client shows "Permission Denied" errors when trying to cd to the NFS mount poin...Applies to ONTAP 9 Issue Linux client that was previously able to mount and write to a volume is no longer able to Linux client shows "Permission Denied" errors when trying to cd to the NFS mount point No name-mapping configuration exists in ONTAP
Why does a lot of small files take longer to transfer than few large files?
https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Why_does_a_lot_of_small_files_take_longer_to_transfer_than_few_large_files
When transferring files, typical applications will copy over a single file at a time Each of the file creations requires several metadata operations to occur before the file has been written completel...When transferring files, typical applications will copy over a single file at a time Each of the file creations requires several metadata operations to occur before the file has been written completely With smaller files, the write portion can complete without ever reaching the bandwidth capacity of the link In the graph below you can see that the bytes in flight stayed near capacity with a large file, and the transfer rate is very sporadic with small file transfer.
diag secd cache clear command no longer supports cache name nis-group-membership
https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/diag_secd_cache_clear_command_no_longer_supports_cache_name_nis-group-membership
Applies to ONTAP 9.11.1 Issue diag secd cache clear command no longer supports cache name nis-group-membership Example: cluster1::*> diag secd cache clear -node cluster1-01 -vserver svm1_cluster1 -cac...Applies to ONTAP 9.11.1 Issue diag secd cache clear command no longer supports cache name nis-group-membership Example: cluster1::*> diag secd cache clear -node cluster1-01 -vserver svm1_cluster1 -cache-name nis-group-membership Error: command failed: Operation not supported. Use commands available in "vserver services name-service nis-domain group-database" directory instead.
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.
FPolicy server not receiving notifications for File Operations on Volume/share/Export
https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/FPolicy_server_not_receiving_notifications_for_File_Operations_on_Volume_share_Export
Applies to ONTAP 9 and later Fpolicy Issue FPolicy server not receiving notifications for File Operations on Volume/share/Export when using External FPolicy Engine. There are no errors or misbehavior ...Applies to ONTAP 9 and later Fpolicy Issue FPolicy server not receiving notifications for File Operations on Volume/share/Export when using External FPolicy Engine. There are no errors or misbehavior seen on packet traces or the logs.
NFS access fails with Nblade.CallbackTimedOut after upgrading the ONTAP
https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/NFS_access_fails_with_Nblade.CallbackTimedOut_after_upgrading_the_ONTAP
Applies to ONTAP 9 NFSv3 Issue After upgrading ONTAP, the NFS access fails with Nblade.CallbackTimedOut message Example: 2/9/2023 23:51:59 cluster-01 ERROR Nblade.CallbackTimedOut: SM NOTIFY: Vserver ...Applies to ONTAP 9 NFSv3 Issue After upgrading ONTAP, the NFS access fails with Nblade.CallbackTimedOut message Example: 2/9/2023 23:51:59 cluster-01 ERROR Nblade.CallbackTimedOut: SM NOTIFY: Vserver 28, Vif 1042: PORTMAP program (Program number:100000 Program version:2) on client xx.xxx.xxx.xxx is not responding