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CONTAP-426568: iSCSI and FCP LUNs/SUs using QoS may become inaccessible after upgrade to 9.16.1

  1. Last updated
    May 14, 2025
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Category:
ontap-9
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Perf
Last Updated:
5/14/2025, 11:15:16 AM

Issue

  • After an upgrade of ONTAP to 9.16.1 iSCSI and FC SAN clients report error messages similar to the below on LUNs/SUs with QOS enabled (at the file, LUN/SU, volume, or SVM level):

 
2025-03-27T07:05:48.001Z cpu0:2107309) [HB state abcdef02 offset 3670016 gen 197 stampUS 23984552598485 uuid 6676affe-e695ad86-fb84-e6fdaca0003a jrnl <FB 33554432> drv 24.82 lockImpl 4 ip 10.13.2462025-03-27T07:05:48.426Z cpu49:2101136 opID=4b6b6c35)HBX: 3063: 'NETAPP_LUN1': HB at offset 3670016 - Waiting for timed out HB:
2025-03-27T07:05:48.426Z cpu49:2101136 opID=4b6b6c35) [HB state abcdef02 offset 3670016 gen 197 stampUS 23984552598485 uuid 6676c498-e695ad86-fb84-e6fdaca0affe jrnl <FB 33554432> drv 24.82 lockImpl2025-03-27T07:05:55.984Z cpu49:2107324)HBX: 3063: 'NETAPP_LUN1': HB at offset 3670016 - Waiting for timed out HB:

 
  • Symptoms may include: Timeout issues, loss of access to LUN storage, VMFS datastore unresponsiveness, and LUNs not visible to ESXi hosts.

 

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