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    • https://kb.netapp.com/on-prem/ontap/DP/SnapMirror/SnapMirror-KBs/SnapMirror_stuck_in_Finalizing_state_in_ONTAP
      Applies to ONTAP 9 SnapMirror Issue SnapMirror type-XDP relationship reports a Relationship Status of Finalizing without increasing Total Progress verified in: ONTAP System Manager Command output: sna...Applies to ONTAP 9 SnapMirror Issue SnapMirror type-XDP relationship reports a Relationship Status of Finalizing without increasing Total Progress verified in: ONTAP System Manager Command output: snapmirror show ::> snapmirror show Progress Source Destination Mirror Relationship Total Last Path Type Path State Status Progress Healthy Updated svmProd:volProd XDP svmDR:volDR Uninitialized Finalizing 6.55TB true 09/07 14:53:54 This behavior does not impact vol move
    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Flexgroup_snapmirror_initialize_fails_with_Peer_cluster_is_no_longer_available
      Wed Sep 28 11:25:04 2022 FlexGroupInitialize[Sep 28 11:10:36]:c7b4e440-2d28-xxxx-xxxx-xxxxxxxxxxxx Operation-Uuid=bd7135bc-3ed2-11ed-b811-d039ea995e93 Group=flexgroup Operation-Cookie=0 action=End sou...Wed Sep 28 11:25:04 2022 FlexGroupInitialize[Sep 28 11:10:36]:c7b4e440-2d28-xxxx-xxxx-xxxxxxxxxxxx Operation-Uuid=bd7135bc-3ed2-11ed-b811-d039ea995e93 Group=flexgroup Operation-Cookie=0 action=End source=svm1:vol1 destination=dr_svm1:dr_vol1 status=Failure message=Group Update failed(Failed to complete update operation on one or more item relationships.)
    • https://kb.netapp.com/data-mgmt/SnapCenter/SC_KBs/Unable_to_find_SnapMirror_SnapVault_destination_for_the_source_volumes_svm1_vol1
      Applies to SnapCenter Server (SC) SnapCenter Plug-in for VMware vSphere (SCV) Issue Backup jobs fail to update the SnapMirror relationship. Error: Unable to find SnapMirror destination(s). Error: No S...Applies to SnapCenter Server (SC) SnapCenter Plug-in for VMware vSphere (SCV) Issue Backup jobs fail to update the SnapMirror relationship. Error: Unable to find SnapMirror destination(s). Error: No SnapMirror relationships were found. Resolution: Please make sure that secondary storage systems are registered and host can resolve them correctly. Unable to find SnapMirror\SnapVault destination for the source volume(s) svm1: vol1
    • https://kb.netapp.com/on-prem/ontap/DP/SnapMirror/SnapMirror-KBs/How_to_delete_all_snapshots_on_the_SnapVault_destination_volume
      Applies to ONTAP 9 SnapVault Answer SnapVault destination volumes need at least one snapshot to keep a baseline with the source To clean up the SnapVault destination, delete the whole volume Additiona...Applies to ONTAP 9 SnapVault Answer SnapVault destination volumes need at least one snapshot to keep a baseline with the source To clean up the SnapVault destination, delete the whole volume Additional Information SnapMirror Configuration Best Practice
    • https://kb.netapp.com/on-prem/ontap/DP/SnapMirror/SnapMirror-KBs/SnapMirror_fails_with_network_error_CSM_An_operation_did_not_complete_within_the_specified_timeout_window
      SnapMirror updates for particular relationship always fail with an error Transfer failed. (Replication operation request failed from "Cluster Id", "Node Id" to "Cluster Id", "Node Id" due to a network...SnapMirror updates for particular relationship always fail with an error Transfer failed. (Replication operation request failed from "Cluster Id", "Node Id" to "Cluster Id", "Node Id" due to a network error (CSM: An operation did not complete within the specified timeout window.)) Restarting the update with cleaning checkpoints fails with the same error on the same amount of data transferred In some cases modifying the relationship too -type DP, transfer works fine
    • https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/User_Data_size_from_destination_volume_is_greater_than_from_source_volume
      User Data size from destination volume is greater than from source volume Volume efficiency is completely disabled from both the source and destination cluster
    • https://kb.netapp.com/on-prem/ontap/DP/SnapMirror/SnapMirror-KBs/Snapmirror_initialize_fails_with_CSM_Connection_aborted
      Applies to ONTAP 9 SnapMirror Issue Snapmirror initialize fails with CSM:Connection aborted error Example: Destination_cluster::> snapmirror initialize -destination-path dst_vserver_name:dst_vol_name ...Applies to ONTAP 9 SnapMirror Issue Snapmirror initialize fails with CSM:Connection aborted error Example: Destination_cluster::> snapmirror initialize -destination-path dst_vserver_name:dst_vol_name Error: command failed: Failed to get information for source volume "src_vserver_name:src_vol_name" for confirmation. (CSM: Connection aborted.)
    • https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/Long_CPs_caused_by_elongated_P2_FLUSH_phase_during_SnapMirror_Finalizing_phase
      Long CPs occur on the SnapMirror(XDP-type relationship only) destination at the Finalizing phase, Long CPs are dominated by an elongated P2_FLUSH phase without any identifiable Disk or CPU bottlenecks...Long CPs occur on the SnapMirror(XDP-type relationship only) destination at the Finalizing phase, Long CPs are dominated by an elongated P2_FLUSH phase without any identifiable Disk or CPU bottlenecks from Perfstats or PerfArchives. Below are some of the possible symptoms: Back to Back CPs along with high write latency CP dominated by P2_FLUSH phase CPU util & Disk util is NOT high SnapMirror XDP transfer is in the Finalizing phase, no matter it's a baseline transfer or an incremental transfer
    • https://kb.netapp.com/on-prem/ontap/DP/SnapMirror/SnapMirror-KBs/DP_clone_volume_create_fails_with_error_Exported_snapshot_is_required_for_DP_clone_creation
      Applies to SnapVault ONTAP 9.x Flexclone Issue Attempting to create a clone of a SnapVault destination volume fails with the below error: CLUSTER2::> volume clone create -vserver svm_test -flexclone c...Applies to SnapVault ONTAP 9.x Flexclone Issue Attempting to create a clone of a SnapVault destination volume fails with the below error: CLUSTER2::> volume clone create -vserver svm_test -flexclone clone_vault_dst_vol -parent-volume vault_dst_vol -type DP -parent-snapshot daily.2017.03.12_0010 [Job 83106] Job is queued: Create clone_vault_dst_vol Error: command failed: [Job 83106] Job failed: Failed to create the clone volume on node. Reason: Exported snapshot is required for DP clone creation.
    • https://kb.netapp.com/on-prem/ontap/DP/SnapMirror/SnapMirror-KBs/How_to_run_SnapMirror_reverse_resync_with_quick_resync_parameter
      This article describes the procedure to run a SnapMirror reverse resync with -quick-resync true snapmirror show or ONTAP System Manager reports a SnapMirror Relationship Status Preparing for a signifi...This article describes the procedure to run a SnapMirror reverse resync with -quick-resync true snapmirror show or ONTAP System Manager reports a SnapMirror Relationship Status Preparing for a significant amount of time, indicating an ongoing Data Warehouse rebuild operation Data Warehouse rebuilds are expected for Type-XDP SnapMirror or SVMDR relationships when the relationship is reversed in a reverse resync or "flip resync"