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    • Unable to access shares using SMB1
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Unable_to_access_shares_using_SMB1
      Nblade.noSmbVerNegotiated: For Vserver "vserver", Data ONTAP(R) could not negotiate with the client "192.168.139.61" because it does not support any of the SMB protocol versions that the client sent i...Nblade.noSmbVerNegotiated: For Vserver "vserver", Data ONTAP(R) could not negotiate with the client "192.168.139.61" because it does not support any of the SMB protocol versions that the client sent in the list "<PC NETWORK PROGRAM 1.0;LANMAN1.0;Windows for Workgroups 3.1a;LM1.2X002;LANMAN2.1;NT LM 0.12>".​​​​​ The FlexCache volume is always a FlexGroup volume, and not a FlexVol volume, you can only have a FlexCache volume as the origin volume.
    • Volume conversion is not supported when upgrade is in progress
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Volume_conversion_is_not_supported_when_upgrade_is_in_progress
      Applies to ONTAP 9 Issue When attempting a FlexVol to FlexGroup conversion, the command volume conversion start fails with the following error: Cluster::*> volume conversion start -volume volume Error...Applies to ONTAP 9 Issue When attempting a FlexVol to FlexGroup conversion, the command volume conversion start fails with the following error: Cluster::*> volume conversion start -volume volume Error: command failed: Volume conversion is not supported when upgrade is in progress or has failed on one or more nodes in the cluster.
    • What are the limitations for FlexGroups pre-conversion Snapshots
      https://kb.netapp.com/on-prem/ontap/DP/SnapMirror/SnapMirror-KBs/What_are_the_limitations_for_FlexGroups_pre-conversion_Snapshots
      Applies to ONTAP 9.x SnapMirror FlexGroup Answer Pre-conversion Snapshots: cannot be transferred by SnapMirror cannot be used for clones cannot be used to restore prior 9.8 Additional Information Supp...Applies to ONTAP 9.x SnapMirror FlexGroup Answer Pre-conversion Snapshots: cannot be transferred by SnapMirror cannot be used for clones cannot be used to restore prior 9.8 Additional Information Supported and unsupported configurations for FlexGroup volumes Is Single File Snap Restore supported for FlexGroup Can you transfer pre-conversion Snapshots of a FlexGroup with SnapMirror Does ONTAP 9.9.1x support cloning FlexGroup volumes in SVMDR relationships?
    • Performance impact of a full FlexGroup volume
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Performance_impact_of_a_full_FlexGroup_volume
      clstr::> qos statistics volume latency show -vserver vs1 -volume fg1 Workload ID Latency Network Cluster Data Disk QoS Max QoS Min NVRAM --------------- ------ ---------- ---------- ---------- -------...clstr::> qos statistics volume latency show -vserver vs1 -volume fg1 Workload ID Latency Network Cluster Data Disk QoS Max QoS Min NVRAM --------------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -total- - 206.06ms 3.27ms 3.10ms 199.7ms 0ms 0ms 0ms 0ms fg1-wid233.. 23350 206.06ms 3.27ms 3.10ms 199.7ms 0ms 0ms 0ms 0ms -total- - 347.23ms 5.08ms 2.81ms 334.85ms 0ms 0ms 0ms 2.42ms fg1-wid233.. 23350 347.23ms 5.08ms 2.81ms 334.85ms 0ms 0ms 0ms 2.42…
    • QOS-adaptive-policy-group not applied to FlexGroups on standby in MetroCluster configuration
      https://kb.netapp.com/on-prem/ontap/mc/MC-KBs/QOS-adaptive-policy-group_not_applied_to_FlexGroups_on_standby_in_MetroCluster_configuration
      Applies to ONTAP 9.8 ONTAP 9.7 ONTAP 9.6 Issue ONTAP does not synchronize QOS workloads over to the standby.
    • FlexVol conversion to FlexGroup reports 'success', but FlexVol is not converted
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/FlexVol_conversion_to_FlexGroup_reports_success_but_FlexVol_is_not_converted
      Conversion of a FlexVol to FlexGroup via CLI reports success, however the FlexVol was not actually converted. FlexVol conversion is started and reports success: Warning: After the volume is converted ...Conversion of a FlexVol to FlexGroup via CLI reports success, however the FlexVol was not actually converted. FlexVol conversion is started and reports success: Warning: After the volume is converted to a FlexGroup, it will not be possible to change it back to a flexible volume. Job history confirms the FlexVol conversion was successful: Description: Converting flexible volume to FlexGroup Volume show still identifies the volume as being a FlexVol (not a FlexGroup):
    • Flexcache create fails with error "At least one aggregate assigned to vserver "xx" is required on every node on the cluster"
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Flexcache_create_fails_with_error_At_least_one_aggregate_assigned_to_vserver_xx_is_required_on_every_node_on_the_cluster
      Job Type: FLEXCACHE CREATE JOB Job Category: FLEXCACHE UUID: xxxxxxx-xxxx-xxxxx-xxxxxxxxx Execution Progress: Complete: At least one aggregate assigned to Vserver "VSERVER" with sufficient space and a...Job Type: FLEXCACHE CREATE JOB Job Category: FLEXCACHE UUID: xxxxxxx-xxxx-xxxxx-xxxxxxxxx Execution Progress: Complete: At least one aggregate assigned to Vserver "VSERVER" with sufficient space and a homogeneous storage type is required on every node on the cluster to provision a FlexGroup.