メインコンテンツまでスキップ

アップグレード後の FC のレイテンシは 10 倍に増加しました

Views:
5
Visibility:
Public
Votes:
0
Category:
fc-series
Specialty:
san
Last Updated:

環境

ONTAP

問題

  • アップグレードプロセスでの Fibre Channel ( FC ;ファイバチャネル)ホストのリブート後、 Brocade FC スイッチの IO パフォーマンスが大幅に低下します。
  • SRAM ダンプ AutoSupport が生成されます  
Brocade :
porterrshow
- エラーカウンタの増加を示し
nsshow
ます。ポート
sfpshow
RX 電源にデバイスが登録されていないことを示します
 
ONTAP :
fct_tpd_thread_1: ems.engine.suppressed:debug]: Event 'fcp.io.status' suppressed 1 times in last 5 seconds.
fct_tpd_thread_1: fcp.io.status:debug]: STIO Adapter:1b, found hung cmd:0xfffff8093c5d12f0(state=10, flags=0x2, ctio_sent=2/3,RecvExAddr=0x212b, OX_ID=0x867, RX_ID=0xffff,SID=0x10800, Cmd[28], req_q_free:0)
fct_tpd_thread_1: scsitarget.fcp.dump:debug]: FCP target SRAM dump generated for adapter 1b, fct_tpd_check_hung_commands: Command termination hung. cmd:0xfffff8093c5d12f0 (state=0xa, flags=0x2,ctio_sent=2/3, RecvExAddr=0x212b, OX_ID=0x867, RX_ID=0xffff, SID=0x10800)
fct_tpd_thread_1: scsitarget.hwpfct.dump.saved:notice]: A dump for adapter 1b was stored in /etc/log/fctsli_1b/fct_fw_1b.dmp.gz.
fct_tpd_thread_1: callhome.fcp.sram.dump:error]: Call home for FCP SRAM DUMP.
fct_tpd_thread_1: scsitarget.fct.reset:notice]: Resetting Fibre Channel target adapter 1b.

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.