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Fibre Channel dropout issue

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Category:
data-ontap-8
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san
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Applies to

  • ONTAP 8.2.3 or earlier
  • ONTAP 7-Mode

Issue

  • FC LUNs cannot access
  • Intermittently losing connectivity between 16Gb Fibre Channel (FC) adapters and the Brocade FC switch.
  • Errors logged in EMS are as follows:
[?] Fri Oct 24 13:34:54 BST [controller: fct_tpd_thread_1: fcp.io.status:debug]: STIO Adapter:0c AEN 0x8048 (RECV_ERROR) MboxStatus1 0xffff MboxStatus2 0x1
[?] Fri Oct 24 13:34:58 BST [controller: fct_tpd_thread_1: fcp.io.status:debug]: STIO Adapter:0c, found hung cmd:0xffffff01e8b305e0(state=7, flags=0x1, ctio_sent=1/2,RecvExAddr=0x124f30, OX_ID=0x6b3, RX_ID=0xffff,SID=0x10200, Cmd[2A])

 

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