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LUNへのパスが断続的に切断されることがあります

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Category:
fabric-interconnect-and-management-switches
Specialty:
brocade<a>2009241313</a><a>(翻訳用</a>
Last Updated:

環境

  • Brocade FCスイッチ
  • ファブリックOS
  • ONTAP

問題

  • 接続されたすべてのESXiホストで、FCデータストアへのパスが一時的に失われることが報告されます。この状態は1~2秒後に自動的に再接続されます
  • リセット要求を受信するアダプタポートに関するEMSログエントリの繰り返し:
Wed Jul 20 10:18:47 +0000 [NODENAME: fct_tpd_work_thread_0: fcp.io.status:debug]: STIO Adapter:0d AEN 0x8048 (RECV_ERROR) MboxStatus1 0xfffe MboxStatus2 0x1
  • portstatsshowの出力は、 er_tx_c3_timeoutとの増加を示しています er_bad_os (Invalid ordered set)

portstatsshow 10
stat_wtx          3858765541  4-byte words transmitted
stat_wrx          980402941   4-byte words received
stat_ftx          296980277   Frames transmitted
stat_frx          217256125   Frames received
stat_c2_frx        0       Class 2 frames received
stat_c3_frx        217256125   Class 3 frames received
stat_lc_rx         0       Link control frames received
stat_mc_rx         0       Multicast frames received
stat_mc_to         0       Multicast timeouts
stat_mc_tx         0       Multicast frames transmitted
tim_rdy_pri        0       Time R_RDY high priority
tim_txcrd_z        4604055    Time TX Credit Zero (2.5Us ticks)
tim_txcrd_z_vc  0- 3:  0       0       0       0      
tim_txcrd_z_vc  4- 7:  0       4604055    0       0      
tim_txcrd_z_vc  8-11:  0       0       0       0      
tim_txcrd_z_vc 12-15:  0       0       0       0      
er_enc_in         0       Encoding errors inside of frames
er_crc           0       Frames with CRC errors
er_trunc          0       Frames shorter than minimum
er_toolong         0       Frames longer than maximum
er_bad_eof         0       Frames with bad end-of-frame
er_enc_out         0       Encoding error outside of frames
er_bad_os         2974218510  Invalid ordered set
er_rx_c3_timeout      0       Class 3 receive frames discarded due to timeout
er_tx_c3_timeout      312     Class 3 transmit frames discarded due to timeout

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