アダプタ用に生成されたFCPターゲットSRAMダンプ
環境
- すべてのNetApp FAS / AFFハードウェアプラットフォーム
- すべてのData ONTAPバージョン
問題
- FCPターゲットアダプタのFCPダンプと呼ばれる定期的なリセットが2つのポートに影響します
イベントログ：
Thu Jan 20 20:59:04 +0100 [Node-05: fct_tpd_thread_0: scsitarget.fcp.dump:debug]: FCP target SRAM dump generated for adapter 1a, FW Initiated Dump Thu Jan 20 20:59:04 +0100 [Node-05: fct_tpd_thread_0: scsitarget.hwpfct.errorReset:notice]: An error was encountered in the FC target driver on Fibre Channel target adapter 1a. The adapter will be automatically reset to clear the status:0x87800000, status1:0x52004c62, status2:0x610102, DIP:1, RN:1, RDY:1, Dump owner:0 condition. Thu Jan 20 20:59:04 +0100 [Node-05: fct_tpd_thread_1: scsitarget.hwpfct.errorReset:notice]: An error was encountered in the FC target driver on Fibre Channel target adapter 1b. The adapter will be automatically reset to clear the status:0x87800000, status1:0x52004c62, status2:0x610102, DIP:1, RN:1, RDY:1, Dump owner:0 condition. Thu Jan 20 20:59:04 +0100 [Node-05: fct_tpd_thread_1: ems.engine.suppressed:debug]: Event 'fcp.io.status' suppressed 1 times in last 127375 seconds. Thu Jan 20 20:59:04 +0100 [Node-05: fct_tpd_thread_1: fcp.io.status:debug]: STIO Adapter 1b resetting with 263 ITNs and 212 commands to drain Thu Jan 20 20:59:04 +0100 [Node-05: fct_tpd_thread_1: scsitarget.fct.reset:notice]: Resetting Fibre Channel target adapter 1b. Thu Jan 20 20:59:04 +0100 [Node-05: fct_tpd_thread_0: scsitarget.hwpfct.dump.saved:notice]: A dump for adapter 1a was stored in /etc/log/fctsli_1a_20220120_205904/fct_fw_1a.dmp.gz. Thu Jan 20 20:59:04 +0100 [Node-05: fct_tpd_thread_0: callhome.fcp.sram.dump:error]: Call home for FCP SRAM DUMP. Thu Jan 20 20:59:04 +0100 [Node-05: fct_tpd_thread_0: scsitarget.fct.reset:notice]: Resetting Fibre Channel target adapter 1a.
- FCP SRAM イベントの直後に、以下の STIO イベントを確認できました。
STIO Adapter 1b resetting with 263 ITNs and 212 commands to drain- ems/event log showにアダプタポートに関連するエラーとアラートがある
IO WQEの障害（例）：
[NODE-02: fct_tpd_work_thread_0: fcp.io.status:debug]: STIO Adapter:5a IO WQE failure, Handle 0x0, Type 8, S_ID: 610601, VPI: 3, OX_ID: 18D, Status 0x3 Ext_Status 0x16
fcp.io.status: state=5 (例):
[NetApp01: fct_tpd_thread_0: fcp.io.status:debug]: STIO Adapter:0d, found hung cmd:0xffffff01dd049f90(state=5, flags=0x0, ctio_sent=1/1,RecvExAddr=0x11e4e0, OX_ID=0x4418, RX_ID=0xffff,SID=0x7004c, Cmd[2A])