NAS-Issues
NAS-Issues
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Support for NetApp Console Backup and Recovery
Learn how MetroCluster works, why it’s important to back up your data, and how NetApp Console backup and recovery can help.
Learn how MetroCluster works, why it’s important to back up your data, and how NetApp Console backup and recovery can help.
Recommended component releases
List of recommended component releases per your ONTAP OS version.
List of recommended component releases per your ONTAP OS version.
Benefits of managing ATTO bridges in-band
Items to consider on the benefits of using ATTO bridges in-band.
Items to consider on the benefits of using ATTO bridges in-band.
How to use the RcfFileGenerator for MetroCluster IP
A detailed guide on how to use the RcfFileGenerator for MetroCluster IP.
A detailed guide on how to use the RcfFileGenerator for MetroCluster IP.
Useful commands for MetroCluster FC and IP switches
The most commonly used commands for configuring, managing and troubleshooting MetroCluster switches.
The most commonly used commands for configuring, managing and troubleshooting MetroCluster switches.
Upgrade switch RCF's without wiping the switch"
Documentation guide to upgrade an RCF file on a Cisco IP switch.
Documentation guide to upgrade an RCF file on a Cisco IP switch.
Other Resources
- CONTAP-710700: FPolicy persistent-store retry behavior may cause NFS and SMB protocol timeoutsThu, 11 Jun 2026
- CONTAP-700716: spinnp_lock causing affinity saturationTue, 09 Jun 2026
- CONTAP-715082: ONTAP cluster node reboots unexpectedlyMon, 08 Jun 2026
- CONTAP-437529: File in flexgroup reported fenced by multiple protocol when accessed by NFS even after auto-ndrfm operation is finishedMon, 08 Jun 2026
- CONTAP-722099: macOS Time Machine backups to ONTAP CIFS/SMB shares fail with "does not support SMB FullFSync"Mon, 08 Jun 2026
- CONTAP-60515: RFE: Allow skip on error for file security applyWed, 03 Jun 2026
- CONTAP-708700: Potential data loss during ANDU from ONTAP 9.19.1 RC1 to 9.19.1 GA on clusters with SnapMirror Synchronous (SM-S)Wed, 03 Jun 2026
- CONTAP-636252: Improve logging around failed revokes for FlexCacheTue, 02 Jun 2026
- CONTAP-718944: RFE: Request functionality to allow AV connector to select/exclude specific interfaces on a multihomed Windows serverTue, 02 Jun 2026
- CONTAP-662118: SMB file access intermittently hangs/timeouts on specific node after switch upgradeTue, 02 Jun 2026
- CONTAP-686109: CIFS security modify advertised-enc-types may fail with KRB5KDC_ERR_ETYPE_NOSUPPMon, 01 Jun 2026
- CONTAP-716218: Add cifs/<NETBIOS> short-name SPN to machine accountSat, 30 May 2026
- CONTAP-715922: SVM-DR apply fails for CIFS local user configuration (Object: local_users_rest_view)Thu, 28 May 2026
- CONTAP-694455: Optimize SpinCE for GDD and non-GDD enabled copy operationsTue, 26 May 2026
- CONTAP-485386: Node reboots unexpectedly due to VSCAN NitroTimerMgrTue, 26 May 2026
- CONTAP-538915: ONTAP cluster node reboots unexpectedly: WAFL hung for dataFA_8_p0_i1 with CP timeout value 120 in SK process wafl_exempt14 (FlexCache-related)Fri, 22 May 2026
- CONTAP-693929: Disabling auditing on a SVM fails with error Audit consolidation job not present for the VserverThu, 21 May 2026
- CONTAP-566503: cifs:vserver object does not exist for SVMs with CIFS serverMon, 18 May 2026
- CONTAP-687720: CONTAP-687720: FlexCache create and remove operations can experience high latency due to repeated AIR activityMon, 04 May 2026
- CONTAP-691916: vscan can cause a panic when determining the path sizeFri, 01 May 2026
- CONTAP-89506: NLM Blocking Lock May Lead to Controller DisruptionSat, 13 Jun 2026
- CONTAP-250153: RFE to completely bypass name string resolution in NFSv4Sat, 13 Jun 2026
- CONTAP-353232: Node Panic on NFSv4 Lock Owner: Assertion Failure in Nfs4LockOwner.cppSat, 13 Jun 2026
- CONTAP-440125: Unexpected Node reboot with message thread (NwkThd_XX) on cpu <X> hung for 4001 millisecondsSat, 13 Jun 2026
- CONTAP-437640: NFS clients configured to use a large TCP slot size may cause a controller disruption in certain situations.Sat, 13 Jun 2026
- CONTAP-441733: Memory leak on NFS4 Open code against Flexcache vol doing truncation workSat, 13 Jun 2026
- CONTAP-438053: All user space processes unresponsive due to low FreeBSD memorySat, 13 Jun 2026
- CONTAP-404562: ONTAP node rebooted unexpectedly with error src/Protocols/Nfs/Nfs4/Lock/Nfs4LockOwner.cpp:95:InsertStateFhMapNode: Assertion failure. in process NwkThd_03Sat, 13 Jun 2026
- CONTAP-405266: Assertion failure while unlock NFS4 ownerSat, 13 Jun 2026
- CONTAP-498347: Disruptions on PCI bus 0,0,0 on systems using NFSv4.0Sat, 13 Jun 2026
- CONTAP-500272: NFSv4.0 returns BAD_SEQID error leading to IO ErrorSat, 13 Jun 2026
- CONTAP-506566: Panic due to the execution of the same compound operation with different Execution objects.Sat, 13 Jun 2026
- CONTAP-454598: High NFS Rewinds and outage due to duplicate QtreeExportMappings cache entriesSat, 13 Jun 2026
- CONTAP-484943: Some NFS ops against qtrees taking 5 minutes on 9.16.1Sat, 13 Jun 2026
- CONTAP-584040: Unexpected Node reboot with message thread (NwkThd_xx) on cpu <x> hung for 4001 milliseconds in process NwkThd_xxSat, 13 Jun 2026
- CONTAP-578764: Page fault during Nfsv3 ReadDirPlus responseSat, 13 Jun 2026
- CONTAP-556436: ONTAP cluster node reboots unexpectedlySat, 13 Jun 2026
- CONTAP-543300: Can't set preferred-dc configuration for admin SVM active-directory accountSat, 13 Jun 2026
- CONTAP-551219: DRCGFM: Apply failed for Object: cifs_server_v2 Failed to create a domain entry. Reason: duplicate entrySat, 13 Jun 2026
- CONTAP-545536: RFE: If a data SVM is not in the Default IPspace, let the data SVM use custom schemas that belong to the admin SVMSat, 13 Jun 2026
NAS Public Report
Highest rated
(rating)- CONTAP-120160: NFS v4.2-xattrs field getting flipped after upgrades
- NFSv4.2 clients report "invalid argument" after upgrading ONTAP from a version affected by CONTAP-120160
- CONTAP-572096: RFE: Support SMB3.1.1 protocol for DC connections
- CONTAP-250153: RFE to completely bypass name string resolution in NFSv4
- CONTAP-318796: Occasionally the SID Lookup via LSAR_LOOKUP_SIDS2 is failing due to error:NT_STATUS_NETWORK_SESSION_EXPIRED(0xc000035c)
- CONTAP-413023: Accessing an NFS mount fails due to authentication error
- CONTAP-387859: SETINFO metadata modification errouneously evicts blocks with write-back
- CONTAP-347583: CIFS server creation using Windows 2025 Domain Controller failing with KRB5KRB_AP_ERR_MODIFIED error
- CONTAP-441733: Memory leak on NFS4 Open code against Flexcache vol doing truncation work
- CAVSHIM-165: AV Connector REST API calls failing
- CONTAP-423279: Incorrect EMS FlexCache Origin Full Alert
- CONTAP-400433: High read/write latency when using FG Rebalancing/GDD over SMB Multichannel enabled clients
- CONTAP-440806: Volume move of persistent store volume breaks fpolicy or causes log spam
- CONTAP-392355: ONTAP FPolicy configuration replay fails after node reboot or upgrade
- CONTAP-431967: ONTAP FPolicy configuration replication fails and FPolicy Service Manager restarts repeatedly during bulk delete of policies, events, or engines
Recently updated
(date updated)- CONTAP-89506: NLM Blocking Lock May Lead to Controller Disruption
- CONTAP-250153: RFE to completely bypass name string resolution in NFSv4
- CONTAP-353232: Node Panic on NFSv4 Lock Owner: Assertion Failure in Nfs4LockOwner.cpp
- CONTAP-440125: Unexpected Node reboot with message thread (NwkThd_XX) on cpu <X> hung for 4001 milliseconds
- CONTAP-437640: NFS clients configured to use a large TCP slot size may cause a controller disruption in certain situations.
- CONTAP-441733: Memory leak on NFS4 Open code against Flexcache vol doing truncation work
- CONTAP-438053: All user space processes unresponsive due to low FreeBSD memory
- CONTAP-404562: ONTAP node rebooted unexpectedly with error src/Protocols/Nfs/Nfs4/Lock/Nfs4LockOwner.cpp:95:InsertStateFhMapNode: Assertion failure. in process NwkThd_03
- CONTAP-405266: Assertion failure while unlock NFS4 owner
- CONTAP-498347: Disruptions on PCI bus 0,0,0 on systems using NFSv4.0
- CONTAP-500272: NFSv4.0 returns BAD_SEQID error leading to IO Error
- CONTAP-506566: Panic due to the execution of the same compound operation with different Execution objects.
- CONTAP-454598: High NFS Rewinds and outage due to duplicate QtreeExportMappings cache entries
- CONTAP-484943: Some NFS ops against qtrees taking 5 minutes on 9.16.1
- CONTAP-584040: Unexpected Node reboot with message thread (NwkThd_xx) on cpu <x> hung for 4001 milliseconds in process NwkThd_xx
Recently added
(date created)- CONTAP-710700: FPolicy persistent-store retry behavior may cause NFS and SMB protocol timeouts
- CONTAP-700716: spinnp_lock causing affinity saturation
- CONTAP-715082: ONTAP cluster node reboots unexpectedly
- CONTAP-437529: File in flexgroup reported fenced by multiple protocol when accessed by NFS even after auto-ndrfm operation is finished
- CONTAP-722099: macOS Time Machine backups to ONTAP CIFS/SMB shares fail with "does not support SMB FullFSync"
- CONTAP-60515: RFE: Allow skip on error for file security apply
- CONTAP-708700: Potential data loss during ANDU from ONTAP 9.19.1 RC1 to 9.19.1 GA on clusters with SnapMirror Synchronous (SM-S)
- CONTAP-636252: Improve logging around failed revokes for FlexCache
- CONTAP-718944: RFE: Request functionality to allow AV connector to select/exclude specific interfaces on a multihomed Windows server
- CONTAP-662118: SMB file access intermittently hangs/timeouts on specific node after switch upgrade
- CONTAP-686109: CIFS security modify advertised-enc-types may fail with KRB5KDC_ERR_ETYPE_NOSUPP
- CONTAP-716218: Add cifs/<NETBIOS> short-name SPN to machine account
- CONTAP-715922: SVM-DR apply fails for CIFS local user configuration (Object: local_users_rest_view)
- CONTAP-694455: Optimize SpinCE for GDD and non-GDD enabled copy operations
- CONTAP-485386: Node reboots unexpectedly due to VSCAN NitroTimerMgr
