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    • https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/General_guidance_for_collecting_data_for_performance_analysis_ONTAP_7Mode_and_Cdot
      For example, if the issue is reported for slow backup process or execution of some scrips takes longer then usually, data must be collected during whole process of backup and also during “normal” time...For example, if the issue is reported for slow backup process or execution of some scrips takes longer then usually, data must be collected during whole process of backup and also during “normal” time of backup (period in which backup was not taking “much longer”). Decision about timeframe for single iteration (-t parameter), number of iterations ( -i ) and number of runs may vary based on issue and is provided by TSE working on the issue via action plan.
    • https://kb.netapp.com/Legacy/ONTAP/7Mode/Unidentified_New_Disk_Error__Device_qualification_failure
      If an unidentified HDD is inserted into the system, the storage controller's Event Management Systems (EMS) will log an error message similar to the one below: Tue Oct 9 10:28:58 GMT [disk.dynamicqual...If an unidentified HDD is inserted into the system, the storage controller's Event Management Systems (EMS) will log an error message similar to the one below: Tue Oct 9 10:28:58 GMT [disk.dynamicqual.failure.occurred:error]: Device qualification failure occurred. Please refer to the qual_devices man page for corrective action. Error message: The following drive is not qualified by NetApp. Error message: Device qualification failure detected Error message: Dev Qual failure timeout expired.
    • https://kb.netapp.com/Legacy/ONTAP/7Mode/Limitations_of_computer_account_authentication_using_NTLM_causes_access_to_be_denied_when_attempting_to_access_files_on_a_CIFS_share
      Applies to Data ONTAP 8 7-mode Issue Computer account (machine account) unable to access CIFS shares.
    • https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/New_Ontap_License_add_issues_warning__License_update_grace_period_validation_active_with_time_limit_of_24_hours
      Applies to ONTAP 8.2 7-mode Issue After applying the new licenses, the controller shows all old and new licenses and also starts reporting that grace period validation is active with time limit of 24 ...Applies to ONTAP 8.2 7-mode Issue After applying the new licenses, the controller shows all old and new licenses and also starts reporting that grace period validation is active with time limit of 24 hours. Node-A> license show Warning: License update grace period validation active. Showing licenses associated with both the original and all updated system serial numbers. There are 24 hours left in the grace validation period.
    • https://kb.netapp.com/Legacy/ONTAP/7Mode/How_to_display_security_permissions_of_a_file_or_directory_in_a_volume
      Applies to Data ONTAP 7 Mode Description The purpose of this article is to display the security settings and ownership of a file or directory from the filer CLI.
    • https://kb.netapp.com/on-prem/ontap/DP/NDMP/NDMP-KBs/ndmpcopy_restore_are_failing_with_ACL_Inode_errors
      Applies to ONTAP 8.2.x 7-Mode Issue NDMPcopy finished with errors: Log: RESTORE: Warning: Cannot set attributes on inode xxxx: Permission denied Error (Truncation failed for src inode xxxx (dst inode ...Applies to ONTAP 8.2.x 7-Mode Issue NDMPcopy finished with errors: Log: RESTORE: Warning: Cannot set attributes on inode xxxx: Permission denied Error (Truncation failed for src inode xxxx (dst inode yyyy). Error 13. Skipping inode) Log: RESTORE: Warning: failed to find the file Data was restored but can't be accessed by the application
    • https://kb.netapp.com/Legacy/OnCommand_Suite/OnCommand_System_Manager_3.x_cannot_connect_to_7-mode_storage_via_TLS_with_RSA_key_length_of_2048
      Applies to OnCommand System Manager (OCSM) 3.x 7-mode ONTAP Java 8u65+ RSA key length >= 2048 Issue While attempting to connect to a 7-mode ONTAP storage system via HTTPS using OCSM, the following err...Applies to OnCommand System Manager (OCSM) 3.x 7-mode ONTAP Java 8u65+ RSA key length >= 2048 Issue While attempting to connect to a 7-mode ONTAP storage system via HTTPS using OCSM, the following error message is displayed: 500 Connection refused The storage system configuration has TLS and SSL enabled (both partners for Data ONTAP 7-Mode). The Java configuration has TLS 1.0, 1.1, and 1.2 enabled. The browser being used has TLS 1.0, 1.1, and 1.2 enabled.
    • https://kb.netapp.com/Legacy/ONTAP/7Mode/How_to_use_smtape_to_seed_a_SnapMirror_relationship_over_USB_disk_on_7_Mode_systems
      This KB describes the procedure to create SnapMirror baseline transfers using SMTAPE in very slow throughput network by dumping the source volume to image file and copy them to the destination using U...This KB describes the procedure to create SnapMirror baseline transfers using SMTAPE in very slow throughput network by dumping the source volume to image file and copy them to the destination using USB stick. In case a tape drive is not available in the environment, smtape can be utilized to seed a SnapMirror relationship by using a USB/disk to the destination site.
    • https://kb.netapp.com/Legacy/ONTAP/7Mode/Unable_to_complete_cf_giveback_when_cifs_users_have_open_files
      Applies to Data ONTAP 7-mode (all version) Issue Unable to complete Node giveback using "cf giveback" with Common Internet File System protocol (CIFS) users connected. In EMS seeing: Sat Feb 06 11:46:...Applies to Data ONTAP 7-mode (all version) Issue Unable to complete Node giveback using "cf giveback" with Common Internet File System protocol (CIFS) users connected. In EMS seeing: Sat Feb 06 11:46:47 CET [FilerUP: cf_main: cf.rsrc.givebackVeto:error]: Failover monitor: vfiler_low_level: giveback cancelled due to active state Sat Feb 06 11:46:47 CET [FilerUP: cf_main: cf.fm.givebackCancelled:warning]: Failover monitor: giveback cancelled
    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/How_to_change_disk_ownership_between_HA_pairs_in_ONTAP_platforms
      Applies to FAS/AFF Platforms ONTAP 9 Data ONTAP 8 7-Mode Description The following procedure applies to any controller that has software-based disk ownership enabled.
    • https://kb.netapp.com/Legacy/ONTAP/7Mode/Cifs_Performance_may_be_impacted_due_to_spamming_failed_user_logons_in_ONTAP_7-mode
      CIFS user performance may be impacted due to a 5 second delay authentication protection introduced by BUG 149707 A misbehaving client may be injecting failed authentication requests midstream of real ...CIFS user performance may be impacted due to a 5 second delay authentication protection introduced by BUG 149707 A misbehaving client may be injecting failed authentication requests midstream of real CIFS\SMB workload for the same session. [auth.trace.authenticateUser.loginTraceMsg:info]: AUTH: Delaying the response by 5 seconds due to continuous failed login attempts by user user$ of domain mydomain1 from client machine xx.xx.xx.xx.