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- https://kb.netapp.com/Cloud/BlueXP/Cloud_Sync/NetApp_Cloud_Sync_fails_with_error__erofs__Read_only_file_systemApplies to NetApp Cloud Sync (Cloud Sync) Cloud Volumes Service for AWS Issue Data sync fails at the stage of Copy. By clicking View details about the sync failures, the Failure Reason reports "erofs:...Applies to NetApp Cloud Sync (Cloud Sync) Cloud Volumes Service for AWS Issue Data sync fails at the stage of Copy. By clicking View details about the sync failures, the Failure Reason reports "erofs: Read-only file system".
- https://kb.netapp.com/data-mgmt/SnapCenter/SC_KBs/VM_showing_Virtual_machine_Consolidation_Needed_in_vSphere_ClientAfter a VM clone or snapshot consolidation action, the VM Summary shows: Virtual machine Consolidation Needed status Virtual machine disks consolidation is needed When you run the Snapshot Consolidati...After a VM clone or snapshot consolidation action, the VM Summary shows: Virtual machine Consolidation Needed status Virtual machine disks consolidation is needed When you run the Snapshot Consolidation on the affected host, the action completes successfully, but the Virtual machine Consolidation Needed status remains The vmware.log in vCenter from the affected VM shows:
- https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/NFS_Cannot_Mount_share_-_Connection_IssuesMounts can be denied if the export policy is not set with the correct protocol. This is also applicable to mounts which are successful but with incorrect version. For example: client want to mount wit...Mounts can be denied if the export policy is not set with the correct protocol. This is also applicable to mounts which are successful but with incorrect version. For example: client want to mount with NFSv3 but because of export policy rule has protocol set to "NFS or any", then client will mount the export using NFSv4 instead of NFSv3 and it will be successfull but client will face issues as NFSv4 is not configured properly.
- https://kb.netapp.com/Cloud/BlueXP/DII/How_to_manually_unblock_NFS_access_that_blocked_by_Workload_securityUse the following steps to manually restore any IPs from ONTAP if your Workload Security trial expires, or if the agent/collector is down. Delete the rules across all policies on the SVM which have “c...Use the following steps to manually restore any IPs from ONTAP if your Workload Security trial expires, or if the agent/collector is down. Delete the rules across all policies on the SVM which have “cloudsecure_rule” as Client Match by specifying its respective RuleIndex. Workload Security rule will usually be at 1. ::*> export-policy rule delete -vserver <svm name> -policyname * -ruleindex 1 Ensure Workload Security rule is deleted (optional step to confirm).
- https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/How_to_find_export_policy_to_create_report_using_Active_IQApplies to ONTAP 9 Description How to generate report from "Export policies" to list all the servers having access to Volumes or Namespace.
- https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/How_to_troubleshoot_CIFS_share_and_export_policy_access_permissionsApplies to ONTAP 9 Description Check the following basic items before troubleshooting further: Connectivity to the Domain is functional and the time between the SVM, Domain Controller and clients are ...Applies to ONTAP 9 Description Check the following basic items before troubleshooting further: Connectivity to the Domain is functional and the time between the SVM, Domain Controller and clients are in sync The SVM is running CIFS is licensed and running on the SVM The CIFS Protocol is enabled on data LIFs
- https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/NFS_clients_lose_access_when_export_policy_has_hostnames_that_do_not_resolveNFS mounts hang and timeout or clients loose access to the volumes An export policy has rules that has hostnames that do not resolve: Note: It is not able to complete the scan of the export-policy ass...NFS mounts hang and timeout or clients loose access to the volumes An export policy has rules that has hostnames that do not resolve: Note: It is not able to complete the scan of the export-policy associated with the volume and find the appropriate rule, ahead of the one for the client in question When creating a skeletal export policy for testing with wide open permissions and applying that export policy to the volume for which the mounts are failing, mounting is successful.
- https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/NFS_linux_client_mount_fails_with_permission_denied_on_qtreeApplies to ONTAP 9 NFS v3 Qtree Issue Mount from linux client fails when accessing a Qtree volume where the path is /vol/VOLUME_NAME/QTREE_NAME. Qtree has export policy that includes the client ip, th...Applies to ONTAP 9 NFS v3 Qtree Issue Mount from linux client fails when accessing a Qtree volume where the path is /vol/VOLUME_NAME/QTREE_NAME. Qtree has export policy that includes the client ip, the volume export policy, that contains the Qtree does not. Packet trace shows server response of Error:ERR_ACCESS in server response to mount request.
- https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Export_policy_evaluation_intermittently_fails_for_hostnamesClients will occasionally get denied access when export policies are re-evaluated This may occur when changing the existing export policy rules or clearing the access cache This only impacts clients t...Clients will occasionally get denied access when export policies are re-evaluated This may occur when changing the existing export policy rules or clearing the access cache This only impacts clients that gain access via hostname-based clientmatch rules (ip-based clientmatch rules are unaffected) Packet traces of this behavior do not show ONTAP querying DNS to resolve the hostname when the resolved hostname is not already cached
- https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/Observing_high_latency_while_modifying_an_Export_policyApplies to ONTAP 9 Issue End users and applications reporting huge latency when : A new client is added to an existing Export policy. Large number of new rules are created in a short duration within a...Applies to ONTAP 9 Issue End users and applications reporting huge latency when : A new client is added to an existing Export policy. Large number of new rules are created in a short duration within an existing export policy.
- https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Intermittent_NFS_access_denials_due_to_negative_netgroup_lookups_from_NIS_in_ONTAP_9Hostname is confirmed to exist in the relevant netgroup on the NIS server In MGWD we can see where no rules are matched in this scenario: Fri Jul 30 2020 11:28:45 -04:00 [kern_mgwd:info:1670] | [0.332...Hostname is confirmed to exist in the relevant netgroup on the NIS server In MGWD we can see where no rules are matched in this scenario: Fri Jul 30 2020 11:28:45 -04:00 [kern_mgwd:info:1670] | [0.332.939] info : Authoritatively returning zero rules: CliAddr=10.10.10.10, vsid=12, rulesetid=25869803777, isRefresh=true, ruleCount=0, Result=0(no error) { in mgwd_export_check_1_svc() at src/mgmtgwd/nfs/mgwd_exports.cc:1824 }