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Disk redundancy failed error and wrong SAS speed in a disk bay
https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Disk_redundancy_failed_error_and_wrong_SAS_speed_in_a_disk_bay
Tue Feb 02 14:34:30 +0100 [node_name: dsa_worker0: ds.sas.drivephy.disableErr:error]: Disk [NETAPP :X336_HAKPE04TA07:NA00] S/N [01234567] on channels 0b shelf ID 0 IOM B bay 4 disabled due to excessiv...Tue Feb 02 14:34:30 +0100 [node_name: dsa_worker0: ds.sas.drivephy.disableErr:error]: Disk [NETAPP :X336_HAKPE04TA07:NA00] S/N [01234567] on channels 0b shelf ID 0 IOM B bay 4 disabled due to excessive invalid dword error.
Disk only shows one path on NS224 Shelf (Disk Redundancy Errors)
https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Disk_only_shows_one_path_on_NS224_Shelf_Disk_Redundancy_Errors
01.0.0: NETAPP X4011S17333T8NTE NA53 3662.5GB 4160B/sect (S60NXXXXXXXXXX) 01.0.2: NETAPP X4011S17333T8NTE NA53 3662.5GB 4160B/sect (S60NXXXXXXXXXX) 01.0.3: NETAPP X4011S17333T8NTE NA53 3662.5GB 4160B/...01.0.0: NETAPP X4011S17333T8NTE NA53 3662.5GB 4160B/sect (S60NXXXXXXXXXX) 01.0.2: NETAPP X4011S17333T8NTE NA53 3662.5GB 4160B/sect (S60NXXXXXXXXXX) 01.0.3: NETAPP X4011S17333T8NTE NA53 3662.5GB 4160B/sect (S60NXXXXXXXXXX) 01.3.0: NETAPP X4011S17333T8NTE NA53 3662.5GB 4160B/sect (S60NXXXXXXXXXX) 01.3.2: NETAPP X4011S17333T8NTE NA53 3662.5GB 4160B/sect (S60NXXXXXXXXXX) 01.3.3: NETAPP X4011S17333T8NTE NA53 3662.5GB 4160B/sect (S60NXXXXXXXXXX)
Call home for DISK REDUNDANCY FAILED alert after takeover
https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Call_home_for_DISK_REDUNDANCY_FAILED_alert_after_takeover
[?] Sun Jul 25 09:59:00 CST [Node_B: dsa_disc: callhome.dsk.redun.fault:error]: Call home for DISK REDUNDANCY FAILED [?] Sun Jul 25 09:44:02 CST [Node_B: pmcsas_timeout_0: sas.adapter.debug:info]: par...[?] Sun Jul 25 09:59:00 CST [Node_B: dsa_disc: callhome.dsk.redun.fault:error]: Call home for DISK REDUNDANCY FAILED [?] Sun Jul 25 09:44:02 CST [Node_B: pmcsas_timeout_0: sas.adapter.debug:info]: params: {'debug_string': 'Link down too long ... offlining', 'adapterName': '0b'} [?] Sun Jul 25 09:44:02 CST [Node_B: pmcsas_timeout_0: sas.link.error:error]: Could not recover link on SAS adapter 0b after 45 seconds.
Disk redundancy failed for disk with one path only on NVMe shelf
https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Disk_redundancy_failed_for_disk_with_one_path_only_on_NVMe_shelf
Device Port Negotiated Medium Device Port Negotiated Received Disk Port Max Link Max Link Link Max Link Max Lane Max Lane Lane Error Bad TLP Bad DLLP Uncorrectable Correctable Id State Speed Speed Spe...Device Port Negotiated Medium Device Port Negotiated Received Disk Port Max Link Max Link Link Max Link Max Lane Max Lane Lane Error Bad TLP Bad DLLP Uncorrectable Correctable Id State Speed Speed Speed Speed Width width width Count Count Count Errors Errors (GT/s) (GT/s) (GT/s) (GT/s) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ (...) [ 20] OK 8.0 8.0 8.0 8.0 4 2 2…
"PHY is reporting an unknown link rate" for a disk in DS460C drawer after disk and IOM re-seat
https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/PHY_is_reporting_an_unknown_link_rate_for_a_disk_in_DS460C_drawer_after_disk_and_IOM_re_seat
Disk bypassed by the IOMs in the AutoSupport STORAGE-FAULT or ::> system node run -node node_name -command storage show fault -v” output. [node_name: dsa_disc: ses.shelf.drwr.phy.rateunkwn:alert]: Dri...Disk bypassed by the IOMs in the AutoSupport STORAGE-FAULT or ::> system node run -node node_name -command storage show fault -v” output. [node_name: dsa_disc: ses.shelf.drwr.phy.rateunkwn:alert]: Drive shelf "1", module "A", drawer "3", PHY "1" is reporting an unknown link rate. [node_name: dsa_disc: ses.shelf.drwr.phy.rateunkwn:alert]: Drive shelf "1", module "B", drawer "3", PHY "1" is reporting an unknown link rate. ::> storage disk show -disk 1.1.27
"PHY is reporting an unknown link rate" of disk in DS460C drawer
https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/PHY_is_reporting_an_unknown_link_rate_for_disk_in_DS460C_drawer
Disk bypassed by one IOM: System ID: 0123456789 (node_name-01); partner ID: 0123456780(node_name-02) Tue Oct 05 16:06:23 +0300 [node_name-01: dsa_disc: ses.shelf.drwr.phy.rateunkwn:alert]: Drive shelf...Disk bypassed by one IOM: System ID: 0123456789 (node_name-01); partner ID: 0123456780(node_name-02) Tue Oct 05 16:06:23 +0300 [node_name-01: dsa_disc: ses.shelf.drwr.phy.rateunkwn:alert]: Drive shelf 1, module B, drawer 1, PHY 1 is reporting an unknown link rate. Tue Oct 05 16:06:23 +0300 [node_name-01: dsa_disc: callhome.dsk.redun.fault:error]: Call home for DISK REDUNDANCY FAILED Element Status Status Bytes Status Descriptions Issue remains after disk re-seat and replacement:
Single disk is missing on NS224 shelf
https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Single_disk_is_missing_on_NS224_shelf
NetApp single-disk goes missing on NS224 shelf on both paths.
"DISK REDUNDANCY FAILED" alerts reporting due to remote drives missing in Fabric Metrocluster
https://kb.netapp.com/on-prem/ontap/mc/MC-KBs/DISK_REDUNDANCY_FAILED_alerts_reporting_due_to_remote_drives_missing_in_Fabric_Metrocluster
Applies to nscamshow displays :No entry is found! Nodes are missing remote disks due to loss of one or more paths and reports the below EMS events, [?] Thu Jan 14 13:46:08 CET [Node-A: svc_queue_threa...Applies to nscamshow displays :No entry is found! Nodes are missing remote disks due to loss of one or more paths and reports the below EMS events, [?] Thu Jan 14 13:46:08 CET [Node-A: svc_queue_thread: callhome.dsk.redun.fault:error]: Call home for DISK REDUNDANCY FAILED Brocade switches shows no remote devices from nscamshow -t command output and also sometimes the zone reports fabric is busy, nscam show for remote switches: No entry is found! The Fabric is busy, try again later.