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ONTAP LUN SCSI IO hung

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Applies to

  • ONTAP FC/FCoE
  • Flexpod
  • VMware ESXi 7.0 Update 2
    • Driver nfnic Version  4.0.0.63-1vmw.702.0.0.17867351
  • Cisco UCS

Issue

LUN access lost and SCSI IO aborts on the VMware layer and Cisco UCS server VIC interface
 
Example:
VMware Log:
NMP: nmp_ThrottleLogForDevice:: H:0x0 D:0x2 P:0x0 Valid sense data: 0x6 0x29 0x0. Act:NONE. cmdId.initiator=0x4538c9a1bbd8 CmdSN 0x0
VMW_SATP_ALUA: satp_alua_issueCommandOnPath:706: Path (vmhba0:C0:T1:L0) command 0xa3 failed with transient error status Transient storage condition, suggest retry. sense data: 0x6 0x29 0x0. Waiting for 20 seconds

Cisco Log:
ecom.ecom_main ecom(8:1): abort called for host 1 for exch 44a4, status 3 rx_id 0 s_stat 0x0 xmit_recvd 0x0 burst_offset 0x0 sgl_err 0x0
last_param 0x0 last_seq_cnt 0x0  tot_bytes_exp 0x4000 h_seq_cnt 0x0  exch_type 0x1 s_id 0x40086 d_id 0x40141 host_tag 0xf2 tm_req
0x2 age 180 scsi_opcode 8a wq 39 mss 800

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