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    • Interpreting REST API parameters
      https://kb.netapp.com/on-prem/ontap/DM/REST-API/REST_API_KBs/Interpreting_REST_API_parameters
      Rest API to Ontap command MAP, Rest API to ONTAPI MAP
    • ONTAP API to REST Mapping
      https://kb.netapp.com/on-prem/ontap/DM/REST-API/REST_API_KBs/ONTAP_API_to_REST_Mapping
      ONTAPI to REST Mapping - Transition from ONTAPI to REST.
    • OpenStack loses access to storage during takeover
      https://kb.netapp.com/on-prem/ontap/da/SAN/SAN-KBs/OpenStack_loses_access_to_storage_during_takeover
      Applies to OpenStack ONTAP 9 iSCSI Issue During a takeover OpenStack VMs and processes lose access to storage.
    • OpenStack
      https://kb.netapp.com/Cloud/OpenStack
      Other Resources Recently Created Recently Updated Does OpenStack Cinder driver supports NVMe/TCP.?Mon, 24 Mar 2025 OpenStack: allocated capacity shown as 0 or incorrect value after creating new backen...Other Resources Recently Created Recently Updated Does OpenStack Cinder driver supports NVMe/TCP.?Mon, 24 Mar 2025 OpenStack: allocated capacity shown as 0 or incorrect value after creating new backendsMon, 24 Mar 2025 Cinder drivers fail to provision new volumes due to LUN limit reached for the volumeSat, 01 Mar 2025 OpenStack: iSCSI initiators not automatically added to the NetApp igroupWed, 19 Feb 2025 OpenStack: After upgrading ONTAP, VM disks switched to read-only modeFri, 14 Feb 2025 Open…
    • NetApp NFS Copy Offload utility for Cinder Openstack is not available to be downloaded from the NetApp support site
      https://kb.netapp.com/Cloud/OpenStack/NetApp_NFS_Copy_Offload_utility_for_Cinder_Openstack_is_not_available_to_be_downloaded_from_the_NetApp_support_site
      Applies to NetApp NFS Copy Offload binary for Cinder OpenStack NFS protocol OpenStack release Yoga and earlier Issue The NetApp NFS Copy Offload utility for Cinder OpenStack is no longer available for...Applies to NetApp NFS Copy Offload binary for Cinder OpenStack NFS protocol OpenStack release Yoga and earlier Issue The NetApp NFS Copy Offload utility for Cinder OpenStack is no longer available for download on the NetApp Support site
    • kernel hang panic occurred from OpenStack instance during storage takeover
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/kernel_hang_panic_occurred_from_OpenStack_virtual_machine__during_storage_takeover
      Applies to ONTAP 9 OpenStack Issue kernel hang panic occurred from OpenStack instance(virtual machine) during storage takeover
    • NetApp with openstack integration error during image upload to volume
      https://kb.netapp.com/Cloud/OpenStack/NetApp_with_openstack_integration_error_during_image_upload_to_volume
      Attempt to create volumes from images, the operation fails in OpenStack and the volumes go into an error state. 2021-02-18 22:20:32.371 781 ERROR os_brick.initiator.linuxscsi [req-33bc5c42-66a4-4df0-a...Attempt to create volumes from images, the operation fails in OpenStack and the volumes go into an error state. 2021-02-18 22:20:32.371 781 ERROR os_brick.initiator.linuxscsi [req-33bc5c42-66a4-4df0-a0a0-c2fbb58a00c1 50008fd8137a41fdb9db59c9a4f104ab f81684935ad94ec7b7a85ce1d621240f - default default] multipathd is not running: exit code None: oslo_concurrency.processutils.ProcessExecutionError: [Errno 2] No such file or directory: 'multipathd"
    • XCP copy fails to transfer files that are located in OpenStack Manila shares
      https://kb.netapp.com/on-prem/ontap/da/XCP/XCP-KBs/XCP_copy_fails_to_transfer_files_that_are_located_in_OpenStack_Manila_shares
      Applies to NetApp XCP Migration Tool Issue XCP copy fails to transfer the files that are shared by OpenStack Manila + CephFS
    • OpenStack: 'Hostname mismatch' error seen when using wildcard certificates
      https://kb.netapp.com/Cloud/OpenStack/Hostname_mismatch_error_seen_when_using_wildcard_certificates
      An issue has been seen in OSP 17.1/ RHEL 9.2 when: In the Cinder volume.log, the following SSH handshake error is seen: 2023-08-16 01:34:00.101 14 ERROR cinder.volume.drivers.netapp.dataontap.client.a...An issue has been seen in OSP 17.1/ RHEL 9.2 when: In the Cinder volume.log, the following SSH handshake error is seen: 2023-08-16 01:34:00.101 14 ERROR cinder.volume.drivers.netapp.dataontap.client.api [req-cd09e8b0-a3b7-4959-c8e3-ee52c829bc26 - - - - -] Error communicating with NetApp filer.: urllib.error.URLError: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: Hostname mismatch, certificate is not valid for 'volume.sub.company_name.com'. (_ssl.c:1129)>
    • Cinder lun unmap custom igroup Error unmapping LUN. Code :13115, Invalid value specified for initiator-group element within lun-unmap
      https://kb.netapp.com/Cloud/OpenStack/Cinder_lun_unmap_custom_igroup_Error_unmapping_LUN_Code__13115_Invalid_value_specified_for_initiator_group_element_within_lun_unmap
      OpenStack Cinder driver Custom igroup Any volume operation with the cinder NetApp driver is not able to unmap the LUN iSCSI and FC protocol from the pre-existing igroup fails with below error: 2022-11...OpenStack Cinder driver Custom igroup Any volume operation with the cinder NetApp driver is not able to unmap the LUN iSCSI and FC protocol from the pre-existing igroup fails with below error: 2022-11-12 11:31:04.947 16260 WARNING cinder. client_ base [req-ab91ed- dd74-4f8d- a342-e40df4f7 06 62153334696 2aed5a39c31d227 72 8ff64c0ec5443 0aabbef286dbf4a 69 - default default] Error unmapping LUN. Code :13115, Message: Invalid value specified for "initiator-group" element within "lun-unmap": "".
    • Openstack VM hang occurs while testing the NFS Lease and Grace seconds settings
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Openstack_VM_hang_occurs_while_testing_the_NFS_Lease_and_Grace_seconds_settings
      Applies to ONTAP 9 Issue Openstack VM hang occurs while running takeover/giveback test with the following new settings. v4-lease-seconds: 30 > 14 v4-grace-seconds: 45 > 15 options locking.grace_lease_...Applies to ONTAP 9 Issue Openstack VM hang occurs while running takeover/giveback test with the following new settings. v4-lease-seconds: 30 > 14 v4-grace-seconds: 45 > 15 options locking.grace_lease_seconds 45 > 15