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Link break event detected on FC target HBA due to faulty switch end SFP

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Category:
fabric-interconnect-and-management-switches
Specialty:
brocade
Last Updated:

Applies to

  • Ontap 9
  • Brocade switches
  • FC

Issue

  • Link break event detected on FC target HBA:
event error scsitarget.fct.linkError: FC target HBA: 0f received unexpected error: RECV_ERROR, AEN Status1: 0x8048, Status2: 0x0, Status3: 0x0
 
  • AEN 0x8048 (RECV_ERROR) observed for the effected port in EMS logs:
Tue Mar 19 01:49:41  0200 [Maadi-Cluster-02: fct_tpd_work_thread_0: fcp.io.status:debug]: STIO Adapter:0f AEN 0x8048 (RECV_ERROR) MboxStatus1 0x0 MboxStatus2 0x0
Tue Mar 19 01:58:39  0200 [Maadi-Cluster-02: fct_tpd_work_thread_0: fcp.io.status:debug]: STIO Adapter:0f AEN 0x8048 (RECV_ERROR) MboxStatus1 0x0 MboxStatus2 0x0
Tue Mar 19 04:41:55  0200 [Maadi-Cluster-02: fct_tpd_work_thread_0: fcp.io.status:debug]: STIO Adapter:0f AEN 0x8048 (RECV_ERROR) MboxStatus1 0x0 MboxStatus2 0x0
 
  • Port is showing as Online from SYSCONFIG-A
slot 0: Fibre Channel Target Host Adapter 0f
(QLogic 8324 (8362) rev. 2, <ONLINE>)
Firmware rev:      8.9.0
Flash rev:         7.0.3
Host Port Addr:    010xxx
FC Nodename:       50:0a:09:80:xx:xx:xx:xx (500a0980xxxxxxxx)
FC Portname:       50:0a:09:82:xx:xx:xx:xx (500a0982xxxxxxxx)
Connection:        PTP, Fabric
Switch Port:       xxxxx:xx
 
Received Optical Power: 408.1 (uWatts)
SFP Transmitted Optical Power: 517.4 (uWatts)
 
  • porterrshow of switch port connected to NetApp adapter port have link fail and c3timeout errors.
Admin::> porterrshow
frames      enc    crc    crc    too    too    bad    enc   disc   link   loss   loss   frjt   fbsy  c3timeout    pcs
tx     rx      in    err    g_eof  shrt   long   eof     out   c3    fail    sync   sig                  tx    rx     err
11:    3.2g   3.6g   0      0      0      0      0      0      0      1.7k   4      0      9      0      0      1.7k   3      0
 
=============
Port 11:
=============
RX Power:    -3.7    dBm (429.6uW)   0.0    uW  6550.0 uW  49.0   uW   1100.0 uW
TX Power:    -2.5    dBm (558.2 uW)  50.0   uW  800.0  uW  100.0  uW   700.0  uW

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