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    • "sysconfig -a" reports Shelf Serial Number instead of Shelf ID after IOM reseat/replacement
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/sysconfig_a_reports_Shelf_Serial_Number_instead_of_Shelf_ID_after_IOM_reseat_replacement
      sysconfig -a displays shelf serial number instead of the shelf ID in front the disks: sasadmin expander_map might display an invalid/alternate shelf ID : Level 10: WWN 50050cc104fd6d3f, ID 150, Serial...sysconfig -a displays shelf serial number instead of the shelf ID in front the disks: sasadmin expander_map might display an invalid/alternate shelf ID : Level 10: WWN 50050cc104fd6d3f, ID 150, Serial Number ' SHM09797XXXXX', Product 'DS424IOM3 ', Rev '0172', Slot B You might receive a duplicate shelf ID error in the messages log: [sas.shelf.conflict:error]: At least two SAS disk shelves have the same disk shelf ID.
    • How to map DS2246 elements used by error messages and SES codes to a physical location on the shelf
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/How_to_map_DS2246_elements_used_by_error_messages_and_SES_codes_to_a_physical_location_on_the_shelf
      Applies to DS2246 Description This article explains how to map DS2246 elements to a physical location on the shelf.
    • CONFIGURATION_ERROR reported due to power supply fault
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/CONFIGURATION_ERROR_reported_due_to_power_supply_fault
      Configuration issue is reported on the disk shelves due to power supply fault as shown below: Sat Mar 06 02:33:15 GMT [Nodename: ses_admin: ses.psu.powerReqError:critical]: Not enough power supplies a...Configuration issue is reported on the disk shelves due to power supply fault as shown below: Sat Mar 06 02:33:15 GMT [Nodename: ses_admin: ses.psu.powerReqError:critical]: Not enough power supplies are present in channel ## disk shelf 37 to satisfy disk drive and shelf power requirements. Sat Mar 06 02:33:00 GMT [Nodename: monitor: monitor.globalStatus.critical:critical]: Power Supply Status Critical.
    • OPS panel/display panel fails on DS2246 and FAS2240
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/OPS_panel_display_panel_fails_on_DS2246_and_FAS2240
      OPS panel/display panel fails on DS2246 and FAS2240 replace ops panel
    • In-Band ACP Setup and Support
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/In-Band_ACP_Setup_and_Support
      This article outlines how to migrate from OOB to In-Band ACP support - the default in ONTAP 9.0 and later. There must be dual path to each IOM to support In-Band ACP Starting with AFF A700, AFF A300, ...This article outlines how to migrate from OOB to In-Band ACP support - the default in ONTAP 9.0 and later. There must be dual path to each IOM to support In-Band ACP Starting with AFF A700, AFF A300, AFF A200 and FAS9000, FAS8200, and FAS2600 series storage systems, OOB ACP is not supported. Replace IOM3 modules with IOM6 modules, and/or use IOM12 modules to provide In-Band ACP support for all storage (recommended by NetApp). Migrate to In-Band ACP, but without any ACP support for IOM3 modules.
    • Both shelf modules report CRITICAL condition on DS2246
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Both_shelf_modules_report_CRITICAL_condition_on_DS2246
      Shelf reports critical condition Enclosure Status: critical Both IOM modules with critical status however they continue to operate as normal 1 [IOM6 A] : CRITICAL 02,08,00,A4 MASTER, RESERVED, RESERVE...Shelf reports critical condition Enclosure Status: critical Both IOM modules with critical status however they continue to operate as normal 1 [IOM6 A] : CRITICAL 02,08,00,A4 MASTER, RESERVED, RESERVED, RESERVED 2 [IOM6 B] : CRITICAL 02,00,00,A4 RESERVED, RESERVED, RESERVED Element Status Status Bytes Status Descriptions 2: CRITICAL 02,00,14,03 UT WARNING, UT FAILURE Reseating both IOM modules one at a time (with remove for at least 70 seconds before reinserting) didn't resolved the issue
    • SAS Host Adapter with rate unknown for one PHY (remote shelf)
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/SAS_Host_Adapter_with_rate_unknown_for_one_PHY_remote_shelf
      SAS cable X66016A-R6 SAS cable X66021A-R6 SAS cable X66047 SAS cable X66030A One SAS channel (PHY) has unknown status for remote shelf stack. slot 0: SAS Host Adapter 0b (PMC-Sierra PM8001 rev. C, SAS...SAS cable X66016A-R6 SAS cable X66021A-R6 SAS cable X66047 SAS cable X66030A One SAS channel (PHY) has unknown status for remote shelf stack. slot 0: SAS Host Adapter 0b (PMC-Sierra PM8001 rev. C, SAS, <UP>) Firmware rev: 01.12.09.00 Base WWN: xxxxxxxxxxxxxxx Phy State: [4] Enabled, 6.0 Gb/s [5] Enabled, 6.0 Gb/s [6] Enabled, Rate unknown [7] Enabled, 6.0 Gb/s QSFP Vendor: Molex Inc. QSFP Part Number: 112-00274+A0 QSFP Type: Optical (1490nm DFB) 5m ID:00 QSFP Serial Number: serial_number
    • Disk shelf DS2246 is reporting UNDER-TEMPERATURE (UT) warning alerts
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Disk_shelf_DS2246_is_reporting_UNDER_TEMPERATURE_UT_warning_alerts
      Disk shelf DS2246 reports UT WARNING alerts and after a while the warning gets auto corrected. [FAS-01: statd: monitor.shelf.warning:warning]: Fault reported on disk storage shelf attached to channel ...Disk shelf DS2246 reports UT WARNING alerts and after a while the warning gets auto corrected. [FAS-01: statd: monitor.shelf.warning:warning]: Fault reported on disk storage shelf attached to channel 0a. [FAS-01: monitor.shelf.fault.ok:info]: Fault previously reported on disk storage shelf attached to channel 0a has been corrected. Though the temperature in the Data Center is normal, the warning is generated daily and goes back to normal state after some time.
    • How to remove a shelf from ONTAP
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/How_to_remove_a_shelf_from_ONTAP
      Applies to ONTAP 9 Disk shelves DS212C DS224X DS424X DS4486 DS460C Description Before removing a shelf the data needs to be evacuated and ownership and partitioning removed.
    • DS2246 Shelf fans critical status running at high speed
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/DS2246_Shelf_fans_critical_status_running_at_high_speed
      Shelf: 10 SES device path: local access: 3a.125L103 Module type: IOM6; monitoring is active Shelf status: critical condition SES Configuration, shelf 10: logical identifier=0x500a09800385ace9 vendor i...Shelf: 10 SES device path: local access: 3a.125L103 Module type: IOM6; monitoring is active Shelf status: critical condition SES Configuration, shelf 10: logical identifier=0x500a09800385ace9 vendor identification=NETAPP product identification=DS2246 [truncated...] Cooling Unit installed element list: 1, 2, 3, 4; with error: 1, 2, 3, 4 Cooling Units by element: [1] 8000 RPM [2] 8020 RPM [3] 8000 RPM [4] 8000 RPM
    • IOM upgrade requires a cold swap
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/IOM_upgrade_requires_a_cold_swap
      This article describes the steps required for a cold-swap upgrade. When replacing the IOM module in a shelf with a different model it requires the following components to be powered off during the cha...This article describes the steps required for a cold-swap upgrade. When replacing the IOM module in a shelf with a different model it requires the following components to be powered off during the change: ALL nodes that connect to the impacted shelves. ALL ATTO bridges (if applicable) that connect to the impacted shelves. The shelves of which the IOM model will be changed. IOM3 to IOM6 IOM3 to IOM12* IOM6 to IOM12* *Be aware of SAS port differences between IOM3/IOM6 (QSFP) and IOM12 (MiniSAS-HD)