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Session terminated unexpectedly errors on E-Series  arrays using infini band

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Applies to

NetApp E-Series

Issue

  • Session terminated unexpectedly errors on E-Series iSCSI arrays
  • Logs from the host end :
iscsid[20448]: iscsid: Kernel reported iSCSI connection 6:0 error (1011-ISCSI_ERR_CONN_FAILED: iSCSI connection failed) state (3)
kernel:[637489.881851] connection6:0: detected conn error (1011)
kernel:[637489.881962] connection7:0: detected conn error (1011)
kernel:[637489.883669] infiniband mlx5_1: dump_cqe:286:(pid 0): dump error cqe
kernel:[637489.883686] iser: iser_err_comp: task_rsp failure: local protection error (4) vend_err 0x50
kernel:[637489.883691] connection8:0: detected conn error (1011)
iscsid[20448]: iscsid: Kernel reported iSCSI connection 7:0 error (1011-ISCSI_ERR_CONN_FAILED: iSCSI connection failed) state (3)
 iscsid[20448]: iscsid: Kernel reported iSCSI connection 8:0 error (1011-ISCSI_ERR_CONN_FAILED: iSCSI connection failed) state (3)
  • Storage array logs show session terminations only for this host, not for others.
  • No errors or hardware faults reported on storage arrays.
  • Hardware replacements (mainboard and Mellanox adapter) were performed on the affected host.

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