NDMP KBs

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NDMP KBs

Featured

Prepare for NDMP configuration
Verify that the planned configuration is supported

NDMP Authentication Resolution Guide
Solutions to common issues with NDMP Authentication

ndmpcopy in ONTAP
Learn how to run ndmpcopy in ONTAP 9

Unable to discover tape drives or libraries
Troubleshooting workflow when unable to discover tape drives or libraries

NDMP and SVM-DR
Backing up an SVM-DR destination SVM with NDMP

Enable NDMP debug logging
How to enable NDMP debug logging

Other Resources

NDMP restore fails with message NDMP Service Log: RESTORE: RESTORE IS ABORTED on DMAWed, 22 Oct 2025
Why Volume used size in ONTAP is Lower than NDMP Backup Estimate sizeFri, 03 Oct 2025
Commvault Backup's fail post MCC switchover indicating Vserver config lockThu, 02 Oct 2025
Slow NDMP Backups – Throughput Degraded Due to Network Latency and Packet LossWed, 01 Oct 2025
Incremental Backup fails on volume with Commvault IntelliSnap as SnapDiff not enabledSun, 28 Sep 2025
Which FC switch zoning configuration should be used when adding a tape library?Sat, 27 Sep 2025
NDMP backup failed with error tapemc.device.releaseFailTue, 16 Sep 2025
Veeam failed to create snapshots for volume : (401) UnauthorizedMon, 08 Sep 2025
SVM migration fails with Apply failed for Object: ndmpRestartableBackup_rdb_uiThu, 04 Sep 2025
SMTape backup job failing on same drive "Error Description: Aborted in tape layer"Tue, 26 Aug 2025
NDMP backup is failing Error Code: 39:501 unable to connect to the tape serverWed, 13 Aug 2025
NDMP tape backups fail with the error "Message from Write Dirnet: Interrupted system call."Fri, 08 Aug 2025
What is the status of Flexvol volume after SMTape engine recovery?Mon, 28 Jul 2025
NDMP Backups Failing on a Mixed-Version Cluster During ONTAP UpgradeTue, 17 Jun 2025
Slow NDMP backup speeds with certain volumesFri, 06 Jun 2025
Ndmp directory/file restore a lot slower throughput compared to backupWed, 04 Jun 2025
NDMP Copy Fails with Error 'Invalid Archive Format'Thu, 17 Apr 2025
Backup application can not communication with storage in new config NDMPTue, 15 Apr 2025
Cohesity back failed with "Permission Failed" and "License is Not Available."Tue, 15 Apr 2025
Can the contents of NDMP operations be identified by NetApp SupportTue, 01 Apr 2025

Which tool to use for copy or move the data of qtree from a volume to a new volumeWed, 22 Oct 2025
NDMP restore fails with message NDMP Service Log: RESTORE: RESTORE IS ABORTED on DMAWed, 22 Oct 2025
How to enable and configure NDMP AuthenticationTue, 21 Oct 2025
How to configure NDMP authentication in the ‘node-scope’ modeTue, 21 Oct 2025
How to enable NDMP debug logging when node-scope mode is enabledTue, 21 Oct 2025
How to configure NDMP for node-scope mode, step-by-stepTue, 21 Oct 2025
NDMP backup fails with error "DUMP IS ABORTED" when run on qtree/directory level from NetBackupWed, 15 Oct 2025
Why Volume used size in ONTAP is Lower than NDMP Backup Estimate sizeSat, 11 Oct 2025
NDMP backup failed with error tapemc.device.releaseFailFri, 10 Oct 2025
Commvault Backup's fail post MCC switchover indicating Vserver config lockThu, 02 Oct 2025
Slow NDMP Backups – Throughput Degraded Due to Network Latency and Packet LossWed, 01 Oct 2025
Avamar backups failure with "NDMP_DATA_LISTEN returned status NDMP_IO_ERR"Wed, 01 Oct 2025
Ndmpcopy run via SSH consistently aborts after a fixed amount of timeMon, 29 Sep 2025
Incremental Backup fails on volume with Commvault IntelliSnap as SnapDiff not enabledSun, 28 Sep 2025
Which FC switch zoning configuration should be used when adding a tape library?Sat, 27 Sep 2025
Alert generated for NDMP jobs while LIF hosted on e0M is used during control connectionSat, 27 Sep 2025
Networker NDMP restore is failing with Another restore is in progress on the same destinationWed, 24 Sep 2025
NDMP tape backups fail with the error "Message from Write Dirnet: Interrupted system call."Wed, 24 Sep 2025
NDMP dump and restore phases descriptionTue, 23 Sep 2025
NDMP backup is failing Error Code: 39:501 unable to connect to the tape serverTue, 09 Sep 2025