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-650327: CONTAP-650327 : RFE: Allow NFS Active directory computers accounts password updateFri, 27 Feb 2026
- CONTAP-642963: NFS mounts hang indefinitely due to reclaim callbackFri, 20 Feb 2026
- CONTAP-640703: CIFS user connection issues due to SecD being stuck with RESULT_ERROR_SECD_IN_DISCOVERY errorsWed, 18 Feb 2026
- CONTAP-537578: Multichannel option is set to true on cifs server creationWed, 18 Feb 2026
- CONTAP-633747: RFE - Export policy hostname rule validation in case of DNS config errorTue, 10 Feb 2026
- CONTAP-473457: CIFS/SMB multichannel read/write Performance degradation observed when using FlexGroupsMon, 09 Feb 2026
- CONTAP-627619: Remove CIFS reference from Qtree export-policy warning when CIFS export policies are disabledWed, 04 Feb 2026
- CONTAP-613017: ONTAP NFS‑o‑RDMA panic triggered by malformed packet handlingWed, 04 Feb 2026
- CONTAP-584040: Unexpected Node reboot with message thread (NwkThd_xx) on cpu <x> hung for 4001 milliseconds in process NwkThd_xxThu, 29 Jan 2026
- CONTAP-618659: Apply failed for Object: ldap_client_schema_byuuid Method: baseline. Reason: duplicate entryTue, 27 Jan 2026
- CONTAP-603281: FlexCache CIFS access may fail or experience slowness due to Remote Access Layer (RAL) cache thrashingTue, 20 Jan 2026
- CONTAP-615396: RFE: Domain User connecting via MMC should not be able to enumerate local users and groupsFri, 16 Jan 2026
- CONTAP-610350: The domain name in privileged user name "DOMAIN.A\user" cannot be a FQDNThu, 08 Jan 2026
- CONTAP-587109: LDAP SearchResEntry returns no entries on connection previously reporting RESULT_ERROR_LDAPSERVER_SERVER_DOWNThu, 25 Dec 2025
- CONTAP-586796: Flexcache cache locks are not getting freedFri, 19 Dec 2025
- CONTAP-491023: Allow for READDIRs against an Origin directory that is being updated via FlexCache write-back mechanismWed, 17 Dec 2025
- CONTAP-440125: Unexpected Node reboot with message thread (NwkThd_XX) on cpu <X> hung for 4001 millisecondsTue, 16 Dec 2025
- CONTAP-578764: Page fault during Nfsv3 ReadDirPlus responseMon, 15 Dec 2025
- CONTAP-600179: DR CONFIG REPLICATION FAILED: Apply failed for Object: vscan_status Method: baseline. Reason: Failed to queue Vscan job. Reason: "Job running"Mon, 15 Dec 2025
- CONTAP-356183: pNFS should have a mechanism for selecting available interfacesThu, 11 Dec 2025
- CONTAP-111846: secd.ldap.noServers:EMERGENCY due to trusted DC discovery after ONTAP upgradeSat, 28 Feb 2026
- CONTAP-124022: Flexgroup access delay may occur on clusters with very large numbers of constituent volumesSat, 28 Feb 2026
- CONTAP-124454: Conditionally updating internal network related NDO-Lite counter can become erroneousSat, 28 Feb 2026
- CONTAP-642963: NFS mounts hang indefinitely due to reclaim callbackSat, 28 Feb 2026
- CONTAP-640703: CIFS user connection issues due to SecD being stuck with RESULT_ERROR_SECD_IN_DISCOVERY errorsSat, 28 Feb 2026
- CONTAP-436415: Add a feature to dynamically reduce the size of a flexcache volumeSat, 28 Feb 2026
- CONTAP-587109: LDAP SearchResEntry returns no entries on connection previously reporting RESULT_ERROR_LDAPSERVER_SERVER_DOWNSat, 28 Feb 2026
- CONTAP-584040: Unexpected Node reboot with message thread (NwkThd_xx) on cpu <x> hung for 4001 milliseconds in process NwkThd_xxSat, 28 Feb 2026
- CONTAP-573120: RFE: Add REST-API endpoint attributes 'v3-hide-snapshot' for 'nfs-service-modify' callSat, 28 Feb 2026
- CONTAP-561186: SVM-DR apply fails on FlexCache commitrefresh with “entry doesn’t exist” when origin is created post SVM-DRSat, 28 Feb 2026
- CONTAP-525915: FlexCache volume inaccessible after removing unrelated originSat, 28 Feb 2026
- CONTAP-518068: Flexgroup utilizing CA Shares may see impact during volume move activity with Lock PersistenceSat, 28 Feb 2026
- CONTAP-532289: ONTAP cluster node reboots unexpectedly due to invalid memory access during antivirus scan decisionSat, 28 Feb 2026
- CONTAP-506156: SVM DR Does not replicate Share Access Control Permissions of newly created Qtree sharesSat, 28 Feb 2026
- CONTAP-498347: Disruptions on PCI bus 0,0,0 on systems using NFSv4.0Sat, 28 Feb 2026
- CONTAP-484943: Some NFS ops against qtrees taking 5 minutes on 9.16.1Sat, 28 Feb 2026
- CONTAP-470768: NFS access hangs on FlexCache volumes due to stale config-refreshSat, 28 Feb 2026
- CONTAP-458345: Pagination issue with GET /api/protocols/cifs/shares with the hidden share ONTAP_ADMIN$Sat, 28 Feb 2026
- CONTAP-464594: Windows client is unable to acquire CA share lock post volume move in ANF environment.Sat, 28 Feb 2026
- CONTAP-440806: Volume move of persistent store volume breaks fpolicy or causes log spamFri, 27 Feb 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-250153: RFE to completely bypass name string resolution in NFSv4
- CONTAP-413023: Accessing an NFS mount fails due to authentication error
- CONTAP-387859: SETINFO metadata modification errouneously evicts blocks with write-back
- CONTAP-318796: Occasionally the SID Lookup via LSAR_LOOKUP_SIDS2 is failing due to error:NT_STATUS_NETWORK_SESSION_EXPIRED(0xc000035c)
- CONTAP-347583: CIFS server creation using Windows 2025 Domain Controller failing with KRB5KRB_AP_ERR_MODIFIED error
- CONTAP-407325: [RFE] increase logging level for Nblade.smbSignatureMismatch:error
- CONTAP-269408: Unexpected panic while booting an ONTAP node
- CONTAP-363717: ONTAP EMS reports cifs.replay.failure for cifs-nblade module.
- CONTAP-177152: Support for write handle leaseing with FlexCache
- CONTAP-405266: Assertion failure while unlock NFS4 owner
- CONTAP-256731: RFE: Fpolicy has no support for NFSv4.2
- CONTAP-400990: [RFE] Increase characters sent via ONTAP cli for Native FPolicy extensions
- CONTAP-78130: RFE: Add EMS for slowness when multiple users access a file over CIFS with locks
Recently updated
(date updated)- CONTAP-111846: secd.ldap.noServers:EMERGENCY due to trusted DC discovery after ONTAP upgrade
- CONTAP-124022: Flexgroup access delay may occur on clusters with very large numbers of constituent volumes
- CONTAP-124454: Conditionally updating internal network related NDO-Lite counter can become erroneous
- CONTAP-642963: NFS mounts hang indefinitely due to reclaim callback
- CONTAP-640703: CIFS user connection issues due to SecD being stuck with RESULT_ERROR_SECD_IN_DISCOVERY errors
- CONTAP-436415: Add a feature to dynamically reduce the size of a flexcache volume
- CONTAP-587109: LDAP SearchResEntry returns no entries on connection previously reporting RESULT_ERROR_LDAPSERVER_SERVER_DOWN
- 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
- CONTAP-561186: SVM-DR apply fails on FlexCache commitrefresh with “entry doesn’t exist” when origin is created post SVM-DR
- CONTAP-525915: FlexCache volume inaccessible after removing unrelated origin
- CONTAP-518068: Flexgroup utilizing CA Shares may see impact during volume move activity with Lock Persistence
- CONTAP-532289: ONTAP cluster node reboots unexpectedly due to invalid memory access during antivirus scan decision
- CONTAP-506156: SVM DR Does not replicate Share Access Control Permissions of newly created Qtree shares
- CONTAP-498347: Disruptions on PCI bus 0,0,0 on systems using NFSv4.0
Recently added
(date created)- CONTAP-650327: CONTAP-650327 : RFE: Allow NFS Active directory computers accounts password update
- CONTAP-642963: NFS mounts hang indefinitely due to reclaim callback
- CONTAP-640703: CIFS user connection issues due to SecD being stuck with RESULT_ERROR_SECD_IN_DISCOVERY errors
- CONTAP-537578: Multichannel option is set to true on cifs server creation
- CONTAP-633747: RFE - Export policy hostname rule validation in case of DNS config error
- CONTAP-473457: CIFS/SMB multichannel read/write Performance degradation observed when using FlexGroups
- CONTAP-627619: Remove CIFS reference from Qtree export-policy warning when CIFS export policies are disabled
- CONTAP-613017: ONTAP NFS‑o‑RDMA panic triggered by malformed packet handling
- CONTAP-584040: Unexpected Node reboot with message thread (NwkThd_xx) on cpu <x> hung for 4001 milliseconds in process NwkThd_xx
- CONTAP-618659: Apply failed for Object: ldap_client_schema_byuuid Method: baseline. Reason: duplicate entry
- CONTAP-603281: FlexCache CIFS access may fail or experience slowness due to Remote Access Layer (RAL) cache thrashing
- CONTAP-615396: RFE: Domain User connecting via MMC should not be able to enumerate local users and groups
- CONTAP-610350: The domain name in privileged user name "DOMAIN.A\user" cannot be a FQDN
- CONTAP-587109: LDAP SearchResEntry returns no entries on connection previously reporting RESULT_ERROR_LDAPSERVER_SERVER_DOWN
- CONTAP-586796: Flexcache cache locks are not getting freed
