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同じホストSIDが原因でExt_Status 0x16でFCP SRAMダンプおよびIO WQEエラーが発生しました

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環境

  • ONTAP 9.x
  • FC

問題

  • EMS レポート IO WQE failure をログに記録する Ext_Status 0x16.

Sun May 14 23:05:37 +0530 [NetApp: fct_tpd_work_thread_0: fcp.io.status:debug]: STIO Adapter:2b IO WQE failure, Handle 0x1, Type 8, S_ID: 61xx0, VPI: 276, OX_ID: 1B28, Status 0x3 Ext_Status 0x16
Sun May 14 23:05:50 +0530 [NetApp: fct_tpd_work_thread: ems.engine.suppressed:debug]: Event 'fcp.io.status' suppressed 1 times in last 5 seconds.
Sun May 14 23:05:50 +0530 [NetApp: fct_tpd_work_thread_0: fcp.io.status:debug]: STIO Adapter:3b IO WQE failure, Handle 0x3, Type 8, S_ID: 61xx0, VPI: 276, OX_ID: 2588, Status 0x3 Ext_Status 0x16
Sun May 14 23:06:05 +0530 [NetApp: fct_tpd_work_thread: ems.engine.suppressed:debug]: Event 'fcp.io.status' suppressed 2 times in last 15 seconds.

  • EMS ログオンストレージレポートと FCP SRAMP Dump aリセット中のアダプタ:

Sun Dec 03 17:08:54  0000 [NetApp: fct_tpd_work_thread_0: fcp.io.status:debug]: STIO Adapter:4b IO WQE failure, Handle 0x1, Type 8, S_ID: 0x61xx0, VPI: 275, OX_ID: 5FBB, Status 0x3 Ext_Status 0x16

Sun Dec 03 17:09:16  0000 [NetApp: fct_tpd_thread_1: scsitarget.fcp.dump:debug]: FCP target SRAM dump generated for adapter 4b, FW Initiated Dump
Sun Dec 03 17:09:16  0000 [NetApp: fct_tpd_thread_1: scsitarget.hwpfct.errorReset:notice]: An error was encountered in the FC target driver on Fibre Channel target adapter 4b. The adapter will be automatically reset to clear the status:0x87800000, status1:0x52004c62, status2:0x610102, DIP:1, RN:1, RDY:1, Dump owner:1 condition.
Sun Dec 03 17:09:16  0000 [NetApp: fct_tpd_thread_0: scsitarget.hwpfct.errorReset:notice]: An error was encountered in the FC target driver on Fibre Channel target adapter 4a. The adapter will be automatically reset to clear the status:0x87800000, status1:0x52004c62, status2:0x610102, DIP:1, RN:1, RDY:1, Dump owner:1 condition.
Sun Dec 03 17:09:16  0000 [NetApp: fct_tpd_thread_0: fcp.io.status:debug]: STIO Adapter 4a resetting with 28 ITNs and 10 commands to drain
Sun Dec 03 17:09:16  0000 [NetApp: fct_tpd_thread_0: scsitarget.fct.reset:notice]: Resetting Fibre Channel target adapter 4a.
Sun Dec 03 17:09:17  0000 [NetApp: fct_tpd_thread_1: scsitarget.hwpfct.dump.saved:notice]: A dump for adapter 4b was stored in /etc/log/fctsli_4b_20231203_170916/fct_fw_4b.dmp.gz.
Sun Dec 03 17:09:17  0000 [NetApp: fct_tpd_thread_1: callhome.fcp.sram.dump:error]: Call home for FCP SRAM DUMP.
Sun Dec 03 17:09:17  0000 [NetApp: fct_tpd_thread_1: scsitarget.fct.reset:notice]: Resetting Fibre Channel target adapter 4b.

Dec 03 17:09:18  0000 [NetApp: fct_tpd_work_thread_0: scsitarget.hwpfct.linkUp:notice]: Link up on Fibre Channel target adapter 4a.
Sun Dec 03 17:09:18  0000 [NetApp: fct_tpd_work_thread_0: scsitarget.hwpfct.linkUp:notice]: Link up on Fibre Channel target adapter 4b.

 

  • STIO hung cmdイベントがでハングし state=10 、 state =5 EMS 同じについて報告されました SID 0x61xx0 

     Sun May 14 23:13:42 +0530 [NetApp: fct_tpd_thread_1: fcp.io.status:debug]: STIO Adapter:2b, found hung cmd:0xfffff8188234ab78(state=10, flags=0x2, ctio_sent=2/3,RecvExAddr=0x2ae5, OX_ID=0x1e66, RX_ID=0xffff,SID=0x61xx0, Cmd[28], req_q_free:0)

Wed Dec 20 21:36:21 +0000 [NetApp: fct_tpd_thread_3: fcp.io.status:debug]: STIO Adapter:4d, found hung cmd:0xfffff81e0a7d1038(state=5, flags=0x0, ctio_sent=1/5,RecvExAddr=0x271f, OX_ID=0x5ee9, RX_ID=0xffff,SID=0x61xx0, Cmd[2A], req_q_free:0)

  • 注: state=5:dataout_wait これは、FCターゲットが書き込み要求を受け入れたあとにホストからの復帰を待機しているが、想定されるタイムアウト値の範囲内に何も戻らなかったことを示します。

 

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