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    • Can I convert a Flexvol to FlexGroup without rewarming the tiered data?
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Can_I_convert_a_Flexvol_to_FlexGroup_without_rewarming_the_tiered_data
      ::> volume show-footprint myvol Vserver : svm1 Volume : myvol Feature Used Used% -------------------------------- ---------- ----- Volume Data Footprint 14.09GB 0% Footprint in Performance Tier 268.5M...::> volume show-footprint myvol Vserver : svm1 Volume : myvol Feature Used Used% -------------------------------- ---------- ----- Volume Data Footprint 14.09GB 0% Footprint in Performance Tier 268.5MB 2% Footprint in <your storage Tier> 13.84GB 98% Volume Guarantee 0B 0% Flexible Volume Metadata 683.9MB 0% Deduplication 61.40MB 0% Cross Volume Deduplication 143.0MB 0% Delayed Frees 6.09MB 0% Total Footprint 14.97GB 0%
    • FlexGroup volume creation fails with OTV for FabricPool-enabled aggregates
      https://kb.netapp.com/data-mgmt/OTV/VSC_Kbs/FlexGroup_volume_creation_fails_with_OTV_for_FabricPool-enabled_aggregates
      NetApp ONTAP Tools for VMware vSphere (OTV) 9.13 Creating a FlexGroup volume with OTV fails with the error: FlexGroup volume creation failed with reason: At least one valid aggregate assigned to Vserv...NetApp ONTAP Tools for VMware vSphere (OTV) 9.13 Creating a FlexGroup volume with OTV fails with the error: FlexGroup volume creation failed with reason: At least one valid aggregate assigned to Vserver "demo_svm" with sufficient space and a homogeneous storage type is required on every node on the cluster to provision a FlexGroup volume. The following aggregates are not available because tiering is not supported and they are FabricPool-enabled aggregates: DATA_AGGREGATE01, DATA_AGGREGATE02.
    • Creating clones in a FlexGroup is slow
      https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/Creating_clones_in_a_FlexGroup_is_slow
      Applies to ONTAP 9 FlexGroup Issue Creating clones in a FlexGroup is slow
    • SVM DR  with FlexGroup (FG) with custom SnapMirror policy  occasionally fails update
      https://kb.netapp.com/on-prem/ontap/DP/SnapMirror/SnapMirror-KBs/SVM_DR__with_Flexgroupe_with_custom_SnapMirror_policy__occasionally_fails_update
      Applies to SVM DR ONTAP 9.9+ FlexGroup (FG) Issue SVM DR shows unhealthy: cluster2::> snapmirror show -expand Progress Source Destination Mirror Relationship Total Last Path Type Path State Status Pro...Applies to SVM DR ONTAP 9.9+ FlexGroup (FG) Issue SVM DR shows unhealthy: cluster2::> snapmirror show -expand Progress Source Destination Mirror Relationship Total Last Path Type Path State Status Progress Healthy Updated ----------- ---- ------------ ------- -------------- --------- ------- -------- svm2_cluster1: XDP svm2_cluster1_dp: Snapmirrored Idle - false - Internal Error on the SVM DR: Last transfer error: Transfer for volume "FG2" failed. Reason: Internal error.
    • FlexGroup Snapmirror fails with "CG failed to join the group"
      https://kb.netapp.com/on-prem/ontap/DP/SnapMirror/SnapMirror-KBs/FlexGroup_Snapmirror_fails_with_CG_failed_to_join_the_group
      Applies to ONTAP 9 SnapMirror FlexGroup Issue FlexGroup SnapMirror fails with "CG failed to join the group" SnapMirror hard abort of the FlexGroup relationship did not clean up checkpoints for all the...Applies to ONTAP 9 SnapMirror FlexGroup Issue FlexGroup SnapMirror fails with "CG failed to join the group" SnapMirror hard abort of the FlexGroup relationship did not clean up checkpoints for all the constituent relationships snapmirror abort -hard true
    • High "Cluster" latency with FlexGroup due to increased metadata workload
      https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/High_Cluster_latency_with_FlexGroup_due_to_increased_metadata_workload
      Applies to ONTAP 9 FlexGroup Issue High metadata latency with FlexGroup when a mix of metadata and read/write is being used Slowness issue for reads/writes can be seen for a particular S3 bucket Often...Applies to ONTAP 9 FlexGroup Issue High metadata latency with FlexGroup when a mix of metadata and read/write is being used Slowness issue for reads/writes can be seen for a particular S3 bucket Often manifests as Cluster latency in qos statistics volume latency show output
    • Flexgroup files used count on source and destination is different after Snapmirror transfer
      https://kb.netapp.com/on-prem/ontap/DP/SnapMirror/SnapMirror-KBs/Flexgroup_files_used_count_on_source_and_destination_is_different_after_Snapmirror_transfer
      Applies to ONTAP 9.x Issue Flexgroup files used count on source and destination is different after Snapmirror transfer. SRC::*> volume show SRC_FG -fields files-used SRCSVM SRC_FG 19237871 DST::*> vol...Applies to ONTAP 9.x Issue Flexgroup files used count on source and destination is different after Snapmirror transfer. SRC::*> volume show SRC_FG -fields files-used SRCSVM SRC_FG 19237871 DST::*> volume show DST_FG -fields files-used vserver volume files-used ------- ------------------------------- ---------- DSTSVM DST_FG 19524659
    • Snapmirror updates for Flexgroup failing
      https://kb.netapp.com/on-prem/ontap/DP/SnapMirror/SnapMirror-KBs/Snapmirror_updates_for_Flexgroup_failing
      Applies to FlexGroup Volume ONTAP 9.6+ Issue Snapmirror Flexgroup transfer is getting failed with below error: Last Transfer Error: Group Update failed (Failed to complete update operation on one or m...Applies to FlexGroup Volume ONTAP 9.6+ Issue Snapmirror Flexgroup transfer is getting failed with below error: Last Transfer Error: Group Update failed (Failed to complete update operation on one or more item relationships.) Error: Failed to complete transfer of Snapshot copy "<>" to destination "<>" because the destination is prepared for the transfer of a different Snapshot copy. Run "snapmirror resync" or "snapmirror abort -hard" to cleanup the checkpoint and issue the operation again.
    • FlexGroup SnapMirror Group Update failed Failed to operation on one or more items
      https://kb.netapp.com/on-prem/ontap/DP/SnapMirror/SnapMirror-KBs/FlexGroup_SnapMirror_Group_Update_failed_Failed_to_operation_on_one_or_more_items
      Tue Feb 2 10:46:35 CET 2021 FlexGroupScheduledUpdate[Feb 2 10:39:00]:UUID Operation-Uuid=<UUID> Group=flexgroup Operation-Cookie=0 action=End source=svm1:data1 destination=svm2:svm1_data1_vault status...Tue Feb 2 10:46:35 CET 2021 FlexGroupScheduledUpdate[Feb 2 10:39:00]:UUID Operation-Uuid=<UUID> Group=flexgroup Operation-Cookie=0 action=End source=svm1:data1 destination=svm2:svm1_data1_vault status=Failure message=Group Update failed(Failed to complete update operation on one or more item relationships.)
    • Creating a Snapshot copy fails on FlexGroup Volume
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Creating_a_Snapshot_copy_fails_on_FlexGroup_Volume
      Creating a Snapshot copy of a FlexGroup on a consistent schedule might fail. wafl.snap.create.skip.reason: volume X skipping creation of daily.Y snapshot copy (snapshot creation could not be initiated...Creating a Snapshot copy of a FlexGroup on a consistent schedule might fail. wafl.snap.create.skip.reason: volume X skipping creation of daily.Y snapshot copy (snapshot creation could not be initiated within ten seconds). [node: snapd_cmode: wafl.snap.create.skip.reason:notice]: name_fg__000xxxxxxxx-5cxx-11e6-xxxx-00a098axxxxx: skipping creation of 30min.201x-0x-15_2xxx Snapshot copy (Snapshot creation could not be initiated within ten seconds).
    • High READDIR latency on NFS or CIFS workload
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/High_READDIR_latency_on_NFS_or_CIFS_workload
      Applies to Data ONTAP 9 FlexGroup with NFS or CIFS workload FlexVol with NFS or CIFS workload Issue Elevated latency on NFS or CIFS FlexGroup or FlexVol, specifically on metadata (READDIR) operations.