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- https://kb.netapp.com/on-prem/solidfire/hardware_Kbs/I_O_timeout_on_NVMe_drive_triggers_a_node_panic2020-05-30T15:01:29.908585Z KUL01-SFCL01-H610S1-06 kernel: [3319602.993359] nvme nvme7: I/O 251 QID 5 timeout, aborting 2020-05-30T15:01:29.908599Z KUL01-SFCL01-H610S1-06 kernel: [3319602.993368] nvme...2020-05-30T15:01:29.908585Z KUL01-SFCL01-H610S1-06 kernel: [3319602.993359] nvme nvme7: I/O 251 QID 5 timeout, aborting 2020-05-30T15:01:29.908599Z KUL01-SFCL01-H610S1-06 kernel: [3319602.993368] nvme nvme7: I/O 808 QID 5 timeout, aborting 2020-05-30T15:01:29.908601Z KUL01-SFCL01-H610S1-06 kernel: [3319602.993374] nvme nvme7: I/O 76 QID 8 timeout, aborting 2020-05-30T15:01:29.908602Z KUL01-SFCL01-H610S1-06 kernel: [3319602.993377] nvme nvme7: I/O 79 QID 8 timeout, aborting
- https://kb.netapp.com/on-prem/E-Series/SANtricity-OS-KBs/E-Series_installation_NVMe_LUN_not_visibleApplies to E-Series EF300 E-Series EF600 NVMe over Fibre channel (FC) Nonvolatile memory express (NVMe) Issue New storage installation and new host setup with NVMe drive type, a NVMe provisioned names...Applies to E-Series EF300 E-Series EF600 NVMe over Fibre channel (FC) Nonvolatile memory express (NVMe) Issue New storage installation and new host setup with NVMe drive type, a NVMe provisioned namespace is not visible to Host Setup documentation and setup poster is followed
- https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/NVMeof_I_O_timeouts_and_SCSI_errorsLatency issues in Consistency Points and SCSI errors detected from Virtual Machines hosts. Thu Dec 03 20:51:03 CET [node_name: intr: nvmeof.timeout:notice]: Timeout on subnqn nqn.2014-08.org.nvmexpres...Latency issues in Consistency Points and SCSI errors detected from Virtual Machines hosts. Thu Dec 03 20:51:03 CET [node_name: intr: nvmeof.timeout:notice]: Timeout on subnqn nqn.2014-08.org.nvmexpress.discovery, controller ID 5, qpair ID 0, sequence number 45417. Thu Dec 03 20:51:03 CET [node_name: intr: nvmeof.rdma.disconnect.status:notice]: NVMe-oF disconnect on subnqn nqn.2014-08.org.nvmexpress.discovery, controller ID 5, qpair ID 0.
- https://kb.netapp.com/on-prem/ontap/ontap-select/Select-KBs/How_to_convert_vNVRAM_disk_driver_from_SCSI_to_vNVMEApplies to NetApp ONTAP 9.5P2 and higher From version 9.5P10 ONTAP select uses a vNVME driver for vNVRAM. Using NVME over SCSI driver reduces the processing overhead This will be default configuration...Applies to NetApp ONTAP 9.5P2 and higher From version 9.5P10 ONTAP select uses a vNVME driver for vNVRAM. Using NVME over SCSI driver reduces the processing overhead This will be default configuration for new ONTAP Select installations on ONTAP 9.5P2 and higher Any select cluster upgraded from pre 9.5 will continue to use the SCSI driver For the clusters which are upgraded to 9.5 a manual procedure is required to use the vNVME controller for vNVRAM disk
- https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Writing_certain_file_sizes_fail_in_SAN_with_IO_errorApplies to Issue When sending specific sized (i.e 19K, 21K, 22K) payloads to write to a disk, the attempts will fail with an IO error. No error is observed within the host's event (syslog) log.
- https://kb.netapp.com/on-prem/E-Series/SANtricity-OS-KBs/ESXi_host_does_not_see_4K_block_size_SSD_and_NVMe_datastoreApplies to NetApp E-Series EF-Series VMware ESXi 6.5 VMware ESXi 7.0 VMware ESXI 8.0 update 2 Issue Deployment using NVMe drives unable to detect LUN ESXi Datastore add unable to detect newly created ...Applies to NetApp E-Series EF-Series VMware ESXi 6.5 VMware ESXi 7.0 VMware ESXI 8.0 update 2 Issue Deployment using NVMe drives unable to detect LUN ESXi Datastore add unable to detect newly created LUN with E-Series volume configured with 4KB physical sector size (Block) Example: Storage Array Profile, Thick/Thin Volumes: Physical block size: 4,096 bytes Logical sector size: 4,096 bytes
- https://kb.netapp.com/on-prem/ontap/da/SAN/SAN-KBs/RHEL_host_is_unable_to_see_it_s_provisioned_NVMe_namespaceApplies to OnTap 9 RHEL 9.4 Issue When attempting to mount an NVMe namespace, the host cannot find its provisioned namespace.
- https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/What_is_the_equivalent_for_sasstat_expander_map_command_for_NVMe_Over_Ethernet_to_view_port_and_path_informationFor the NS224 NVMe SSD shelves attached to AFF systems, there is no direct equivalent to show NVMe shelves and paths. The closest equivalent is to view disk path names to determine the connectivity be...For the NS224 NVMe SSD shelves attached to AFF systems, there is no direct equivalent to show NVMe shelves and paths. The closest equivalent is to view disk path names to determine the connectivity between AFF nodes and NS224 shelves. The primary path to the disk The node and node Ethernet storage port are listed under List of Path-Based Disk Names. Path ID maps to the Ethernet ports on the NSM100 modules in the NS224 shelf:
- https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/NVMe-tcp_discovery_fails_with_I_O_errorApplies to RHEL Ubuntu Linux/Unix based Host OS Issue NVMe discover fails with "Failed to write to /dev/nvme-fabrics: Input/output error" [root@host ~]# nvme discover --transport=tcp --traddr=ipaddres...Applies to RHEL Ubuntu Linux/Unix based Host OS Issue NVMe discover fails with "Failed to write to /dev/nvme-fabrics: Input/output error" [root@host ~]# nvme discover --transport=tcp --traddr=ipaddress --host-traddr=ipaddress Failed to write to /dev/nvme-fabrics: Input/output error
- https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/On_certain_disk_models_new_disk_is_not_visible_after_insertion_in_NS224_shelfApplies to NS224 Disk Shelf NSM100 Disk Shelf Module firmware 0103 PM1733-based NVMe solid-state drives (SSD) Issue After the insertion of a new disk in an NS224 shelf, the disk presents an amber LED ...Applies to NS224 Disk Shelf NSM100 Disk Shelf Module firmware 0103 PM1733-based NVMe solid-state drives (SSD) Issue After the insertion of a new disk in an NS224 shelf, the disk presents an amber LED and cannot be seen from ONTAP.