NAS-Issues
NAS-Issues
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Support for BlueXP Backup and Recovery
Learn how MetroCluster works, why it’s important to back up your data, and how BlueXP backup and recovery can help.
Learn how MetroCluster works, why it’s important to back up your data, and how BlueXP 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-691916: vscan can cause a panic when path is too longFri, 01 May 2026
- CONTAP-404606: CIFS clients receive STATUS_UNSUCCESSFUL on writes when volume is fenced for ndrfmWed, 29 Apr 2026
- CONTAP-660825: FLEXCACHE_EXCEPTION writeback scrub failed errcode = 1.Mon, 27 Apr 2026
- CONTAP-691288: RFE - Add EMS message for error KRB5KRB_AP_ERR_BAD_INTEGRITYMon, 20 Apr 2026
- CONTAP-658061: No Fpolicy events observed after upgrading ONTAP to 9.16.1Fri, 17 Apr 2026
- CONTAP-674393: NTFS ACLs Overwritten When Applied in Parallel via ONTAP REST APIThu, 16 Apr 2026
- CONTAP-669220: Writeback enabled cache volumes might see repeated disruptions when modifying ACLFri, 10 Apr 2026
- CONTAP-670237: ONTAP cluster node reboots unexpectedlyFri, 10 Apr 2026
- CONTAP-665067: Cannot delete Flexcache origin after cache volume is deletedWed, 08 Apr 2026
- CONTAP-567791: Cannot delete Flexcache origin volume after cache is deletedTue, 07 Apr 2026
- CONTAP-665428: Stale reconnect key at mirror partner due to inode collisionTue, 07 Apr 2026
- CONTAP-677102: file-directory ntfs dacl results in SecD Error: invalid sid stringFri, 03 Apr 2026
- CONTAP-649648: pNFS device mappings may not get updated after a node rebootTue, 31 Mar 2026
- CONTAP-672308: Request to support a REST call that adds a SID to a file ACL even when the SID cannot be translated to a userMon, 30 Mar 2026
- CONTAP-33739: MetroCluster DR config replication failed cifs_lug_local_user_db_view_DRMon, 30 Mar 2026
- CONTAP-527816: Snapshot create timeouts due to insufficient RAL timeout valueThu, 26 Mar 2026
- CONTAP-458820: ONTAP FlexCache origin volume experiences client I/O issues after cache volume deletion fails to clean up configurationFri, 20 Mar 2026
- CONTAP-466521: Public Report for CONTAP-466521Tue, 17 Mar 2026
- CONTAP-649468: ONTAP silently drops encrypted SMB2 CANCEL for pending CHANGE_NOTIFY without encryption enforcement, causing client hang(~60s)Thu, 12 Mar 2026
- CONTAP-650327: Allow NFS Active directory computers accounts password updateFri, 27 Feb 2026
- CONTAP-71119: Copying a read-only file to a Flexcache volume results in a permission denied but the file is still created via SMB protocol.Sat, 02 May 2026
- CONTAP-91472: REST API GET /protocols/locks might not return any recordSat, 02 May 2026
- CONTAP-90989: Modebits not inherited when creating a new file or directory via CIFSSat, 02 May 2026
- CONTAP-113750: REST Support for WorkGroup Mode in CIFS serverSat, 02 May 2026
- CONTAP-124560: Mount to ONTAP via NFS over RDMA may fail with "Connection refused"Sat, 02 May 2026
- CONTAP-586796: Flexcache cache locks are not getting freedSat, 02 May 2026
- CONTAP-467556: ONTAP cluster node reboots unexpectedlySat, 02 May 2026
- CONTAP-670237: ONTAP cluster node reboots unexpectedlySat, 02 May 2026
- CONTAP-669220: Writeback enabled cache volumes might see repeated disruptions when modifying ACLSat, 02 May 2026
- CONTAP-458820: ONTAP FlexCache origin volume experiences client I/O issues after cache volume deletion fails to clean up configurationSat, 02 May 2026
- CONTAP-640703: CIFS user connection issues due to SecD being stuck with RESULT_ERROR_SECD_IN_DISCOVERY errorsSat, 02 May 2026
- CONTAP-587109: LDAP SearchResEntry returns no entries on connection previously reporting RESULT_ERROR_LDAPSERVER_SERVER_DOWNSat, 02 May 2026
- CONTAP-594735: RFE: Windows Server 2025 Witness Client failing to register Witness Server for notification Name with SMB for SQL ClusterSat, 02 May 2026
- CONTAP-584040: Unexpected Node reboot with message thread (NwkThd_xx) on cpu <x> hung for 4001 milliseconds in process NwkThd_xxSat, 02 May 2026
- CONTAP-573120: RFE: Add REST-API endpoint attributes 'v3-hide-snapshot' for 'nfs-service-modify' callSat, 02 May 2026
- CONTAP-561186: SVM-DR apply fails on FlexCache commitrefresh with “entry doesn’t exist” when origin is created post SVM-DRSat, 02 May 2026
- CONTAP-518068: Flexgroup utilizing CA Shares may see impact during volume move activity with Lock PersistenceSat, 02 May 2026
- CONTAP-532289: ONTAP cluster node reboots unexpectedly due to invalid memory access during antivirus scan decisionSat, 02 May 2026
- CONTAP-506156: SVM DR Does not replicate Share Access Control Permissions of newly created Qtree sharesSat, 02 May 2026
- CONTAP-498347: Disruptions on PCI bus 0,0,0 on systems using NFSv4.0Sat, 02 May 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-318796: Occasionally the SID Lookup via LSAR_LOOKUP_SIDS2 is failing due to error:NT_STATUS_NETWORK_SESSION_EXPIRED(0xc000035c)
- CONTAP-250153: RFE to completely bypass name string resolution in NFSv4
- CONTAP-387859: SETINFO metadata modification errouneously evicts blocks with write-back
- CONTAP-413023: Accessing an NFS mount fails due to authentication error
- CONTAP-347583: CIFS server creation using Windows 2025 Domain Controller failing with KRB5KRB_AP_ERR_MODIFIED error
- CONTAP-423665: Fpolicy might stop sending screen requests due to RPC threads stuck on a RWLock
- CONTAP-390131: RFE: add the ability to zero the "Local-Reqs" and "Remote-Reqs" counters on vserver nfs connected-clients show
- CONTAP-405266: Assertion failure while unlock NFS4 owner
- CONTAP-301137: Attempting to reset CIFS domain password returns no server available error
- CONTAP-408928: ONTAP cluster node reboots unexpectedly
- CONTAP-424340: Consider RW State of RAL Cache While Sending RETRIEVE Requests
- CONTAP-363717: ONTAP EMS reports cifs.replay.failure for cifs-nblade module.
- CONTAP-401387: Do RETRIEVE in RW Mode While Sending Subsequent Retrieves Associated with a RW Cached Inode
Recently updated
(date updated)- CONTAP-71119: Copying a read-only file to a Flexcache volume results in a permission denied but the file is still created via SMB protocol.
- CONTAP-91472: REST API GET /protocols/locks might not return any record
- CONTAP-90989: Modebits not inherited when creating a new file or directory via CIFS
- CONTAP-113750: REST Support for WorkGroup Mode in CIFS server
- CONTAP-124560: Mount to ONTAP via NFS over RDMA may fail with "Connection refused"
- CONTAP-586796: Flexcache cache locks are not getting freed
- CONTAP-467556: ONTAP cluster node reboots unexpectedly
- CONTAP-670237: ONTAP cluster node reboots unexpectedly
- CONTAP-669220: Writeback enabled cache volumes might see repeated disruptions when modifying ACL
- CONTAP-458820: ONTAP FlexCache origin volume experiences client I/O issues after cache volume deletion fails to clean up configuration
- CONTAP-640703: CIFS user connection issues due to SecD being stuck with RESULT_ERROR_SECD_IN_DISCOVERY errors
- CONTAP-587109: LDAP SearchResEntry returns no entries on connection previously reporting RESULT_ERROR_LDAPSERVER_SERVER_DOWN
- CONTAP-594735: RFE: Windows Server 2025 Witness Client failing to register Witness Server for notification Name with SMB for SQL Cluster
- CONTAP-584040: Unexpected Node reboot with message thread (NwkThd_xx) on cpu <x> hung for 4001 milliseconds in process NwkThd_xx
- CONTAP-573120: RFE: Add REST-API endpoint attributes 'v3-hide-snapshot' for 'nfs-service-modify' call
Recently added
(date created)- CONTAP-691916: vscan can cause a panic when path is too long
- CONTAP-404606: CIFS clients receive STATUS_UNSUCCESSFUL on writes when volume is fenced for ndrfm
- CONTAP-660825: FLEXCACHE_EXCEPTION writeback scrub failed errcode = 1.
- CONTAP-691288: RFE - Add EMS message for error KRB5KRB_AP_ERR_BAD_INTEGRITY
- CONTAP-658061: No Fpolicy events observed after upgrading ONTAP to 9.16.1
- CONTAP-674393: NTFS ACLs Overwritten When Applied in Parallel via ONTAP REST API
- CONTAP-669220: Writeback enabled cache volumes might see repeated disruptions when modifying ACL
- CONTAP-670237: ONTAP cluster node reboots unexpectedly
- CONTAP-665067: Cannot delete Flexcache origin after cache volume is deleted
- CONTAP-567791: Cannot delete Flexcache origin volume after cache is deleted
- CONTAP-665428: Stale reconnect key at mirror partner due to inode collision
- CONTAP-677102: file-directory ntfs dacl results in SecD Error: invalid sid string
- CONTAP-649648: pNFS device mappings may not get updated after a node reboot
- CONTAP-672308: Request to support a REST call that adds a SID to a file ACL even when the SID cannot be translated to a user
- CONTAP-33739: MetroCluster DR config replication failed cifs_lug_local_user_db_view_DR