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    • Creating a new destination and SnapMirror relationship failed
      https://kb.netapp.com/on-prem/ontap/DP/SnapMirror/SnapMirror-KBs/Creating_a_new_destination_and_SnapMirror_relationship_failed
      [kern_mgwd:info:2084] 0x832607100: 8603e800000869d5: ERR: Table::volume_create: create_imp: 2694: start: <vserver_name>, <volume>Tue Jul 20 2021 11:12:29 +00:00 [kern_mgwd:info:2084] 0x832607100: 8603...[kern_mgwd:info:2084] 0x832607100: 8603e800000869d5: ERR: Table::volume_create: create_imp: 2694: start: <vserver_name>, <volume>Tue Jul 20 2021 11:12:29 +00:00 [kern_mgwd:info:2084] 0x832607100: 8603e800000869d5: ERR: tables::snapmirror_utils: [volCreate:16132] Failed to create FlexVol <vserver_name>:<volume> on aggr <aggregate>, error: Unable to get default security-style from the root volume of the Vserver due to root volume offline.
    • "vol0" increased, usage reaches 90 percent
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/vol0_increased_usage_reaches_90_percent
      -rw-r--r-- 1 root wheel 93G Dec 14 18:32 /mroot/etc/cluster_config/rdb/VLDB/_sql/rdb.db-wal -rw-r--r-- 1 root wheel 2.1M Dec 14 18:32 /mroot/etc/cluster_config/rdb/VifMgr/_sql/rdb.db-wal -rw-r--r-- 1 ...-rw-r--r-- 1 root wheel 93G Dec 14 18:32 /mroot/etc/cluster_config/rdb/VLDB/_sql/rdb.db-wal -rw-r--r-- 1 root wheel 2.1M Dec 14 18:32 /mroot/etc/cluster_config/rdb/VifMgr/_sql/rdb.db-wal -rw-r--r-- 1 root wheel 2.1M Dec 14 18:32 /mroot/etc/cluster_config/rdb/Management/_sql/rdb.db-wal -rw-r--r-- 1 root wheel 2.0M Dec 14 18:32 /mroot/etc/cluster_config/rdb/VLDB/_sql/rdb.db-wal -rw-r--r-- 1 root wheel 2.0M Dec 14 18:32 /mroot/etc/cluster_config/rdb/VifMgr/_sql/rdb.db-wal
    • NFSv4 mount fails when svm root volume security style is NTFS
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/NFSv4_mount_fails_when_svm_root_volume_security_style_is_NTFS
      Applies to NFSv4 NFSv4 clients return Access Denied and Operation not permitted while mounting volume path Root volume security style is NTFS A sectrace shows the access is being denied on the root vo...Applies to NFSv4 NFSv4 clients return Access Denied and Operation not permitted while mounting volume path Root volume security style is NTFS A sectrace shows the access is being denied on the root volume of vserver: Vserver: svm1 Node Index Filter Details Reason node-02 1 Security Style: NTFS and Access is denied because the NT ACL UNIX user could not be mapped to a valid NT user while reading the user's access rights on an object. Volume: svm1_root
    • How to define a new root volume on a different aggregate?
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/How_to_define_a_new_root_volume_on_a_different_aggregate
      Applies to Data ONTAP 8 (7-Mode) root volume Description How to set a different flexible volume (FlexVol) to be root, if that volume exists on a different aggregate from the current root volume?
    • How to disable root volume snapshots in ONTAP 9
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/How_to_disable_root_volume_snapshots_in_ONTAP_9
      Applies to Data ONTAP 8 ONTAP 9 Root volume (vol0) Snapshot Description Root volume snapshots are legacy default settings from Data ONTAP operating in 7-mode, where recovery options such as restoring ...Applies to Data ONTAP 8 ONTAP 9 Root volume (vol0) Snapshot Description Root volume snapshots are legacy default settings from Data ONTAP operating in 7-mode, where recovery options such as restoring root volume to a previous checkpoint and other aspects used root volume snapshots. In clustered Data ONTAP 8 and ONTAP 9 different recovery options are used, which do not utilize the root volume snapshots any longer.
    • Can a root SVM volume with a space guarantee be added to FabricPool?
      https://kb.netapp.com/on-prem/ontap/DM/FabricPool/FabricPool-KBs/Can_a_root_SVM_volume_with_a_space_guarantee_be_added_to_FabricPool
      Applies to ONTAP 9 FabricPool Answer A data aggregate containing a root SVM volume with a space guarantee set to "volume" can be added to FabricPool. FabricPool documentation indicates this is not pos...Applies to ONTAP 9 FabricPool Answer A data aggregate containing a root SVM volume with a space guarantee set to "volume" can be added to FabricPool. FabricPool documentation indicates this is not possible Considerations and requirements for using FabricPool A request for change has been submitted to add this caveat
    • ONTAP Node fails and won't start with vldb or vifmgr error on boot: “PANIC: Process vifmgr unresponsive for xxx seconds in process nodewatchdog on release 9.x”
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/PANIC__Process_vifmgr_unresponsive_for_xxx_seconds_in_process_nodewatchdog
      The node panicked due to vifmgr not responding before the watchdog timed out and was unable to recover the mdbs when it rebooted: Panic String: PANIC : Process vldb unresponsive for 160 seconds in pro...The node panicked due to vifmgr not responding before the watchdog timed out and was unable to recover the mdbs when it rebooted: Panic String: PANIC : Process vldb unresponsive for 160 seconds in process nodewatchdog on release 9.10.1P12 Immediately prior to the panic the console log showed that vifmgr and vldb crashed and were unable to restart: When the node reboots it is unable to recovery the mdbs due to lack of space on vol0:
    • Unable to create root aggregate:5 disks specified, but at least 7 disks are required
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Unable_to_create_root_aggregate_5_disks_specified_but_at_least_7_disks_are_required
      Applies to FAS2720 FAS2620 RAID TEC High Capacity HDDs Issue During system initialization, it is not possible to create the root aggregate: May 15 13:11:50 [localhost:raid.autoPart.done:notice]: Succe...Applies to FAS2720 FAS2620 RAID TEC High Capacity HDDs Issue During system initialization, it is not possible to create the root aggregate: May 15 13:11:50 [localhost:raid.autoPart.done:notice]: Successfully auto-partitioned 6 of 6 disks. Unable to create root aggregate: 5 disks specified, but at least 7 disks are required for raid_tec Root aggregate creation failed.
    • Error "This storage Virtual Machine does not have a root volume"
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Error_This_storage_Virtual_Machine_does_not_have_a_root_volume
      Applies to Data ONTAP 8 ONTAP 9 Issue When creating a volume the system responds with the error "This storage Virtual Machine does not have a root volume"
    • Constant High Disk Utilization in the Root Volume
      https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/Constant_High_Disk_Utilization_in_the_Root_Volume
      Applies to Data Ontap 8 ONTAP 9 ONTAP 7 mode Symptom Constant high disk utilization at or near 100% on the root volume.
    • ONTAP Select - ROOT VOLUME NOT WORKING PROPERLY: RECOVERY REQUIRED
      https://kb.netapp.com/on-prem/ontap/ontap-select/Select-KBs/ONTAP_Select_ROOT_VOLUME_NOT_WORKING_PROPERLY__RECOVERY_REQUIRED
      Applies to ONTAP Select ONTAP 9 Issue Node not serving data. Following notification is displayed: System Notification (ROOT VOLUME NOT WORKING PROPERLY: RECOVERY REQUIRED) EMERGENCY Vol0 is full / low...Applies to ONTAP Select ONTAP 9 Issue Node not serving data. Following notification is displayed: System Notification (ROOT VOLUME NOT WORKING PROPERLY: RECOVERY REQUIRED) EMERGENCY Vol0 is full / low on free space.