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FAS9000以上のシステムでのボリューム移動など、追加のワークロードの処理に時間がかかる

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Category:
ontap-9
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perf<a>2009658934</a>
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環境

  • ONTAP 9
  • FAS9000
  • AFF-A700
  • AFF-A800
  • AFF-A900
  • 32個を超えるCPUコアを搭載したその他のプラットフォーム。

問題

  • 突然のスローダウンが見られます。
  • ボリューム移動によって、このワークロードまたはその他の追加ワークロードがトリガーされる可能性があります。
  • 例: CPUはを使用して100%のビジー状態を示しています sysstat -x 1 が、 sysstat -M 1 CPU利用率を見ると平均は50%以下です。
Cluster::> node run netapp-01 sysstat -x 1 CPU NFS CIFS HTTP Total Net kB/s Disk kB/s in out read write 100% 65782 0 0 65782 14918 2953948 1325731 14920 99% 64522 0 0 64522 13125 2743195 1256472 12126 99% 64656 0 0 64656 12121 2735679 1211287 12120 100% 65898 0 0 65989 14812 2948834 1389425 14815 Cluster::> set advanced Warning: These diagnostic commands are for use by NetApp personnel only. Do you want to continue? {y|n}: y Cluster::*> node run -node netapp-01 sysstat -M 1 ANY1+ ANY2+ ANY3+ ANY4+ ANY5+ ANY6+ ANY7+ ANY8+ ANY9+ ANY10+ ANY11+ ANY12+ ANY13+ ANY14+ ANY15+ ANY16+ 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% ANY17+ ANY18+ ANY19+ ANY20+ ANY21+ ANY22+ ANY23+ ANY24+ ANY25+ ANY26+ ANY27+ ANY28+ ANY29+ ANY30+ ANY31+ ANY32+ AVG 94% 32% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 51% CPU0 CPU1 CPU2 CPU3 CPU4 CPU5 CPU6 CPU7 CPU8 CPU9 CPU10 CPU11 CPU12 CPU13 CPU14 CPU15 99% 98% 98% 98% 98% 98% 98% 98% 97% 97% 97% 97% 97% 97% 97% 97% CPU16 CPU17 CPU18 CPU19 CPU20 CPU21 CPU22 CPU23 CPU24 CPU25 CPU26 CPU27 CPU28 CPU29 CPU30 CPU31 39% 34% 33% 33% 32% 31% 18% 15% 2% 0% 0% 0% 0% 0% 0% 0% Nwk_Excl Nwk_Lg Nwk_Exmpt Protocol Cluster Storage Raid Raid_Ex Target Kahuna WAFL_Ex(Kahu) 0% 1% 730% 0% 0% 1% 0% 88% 0% 0% 553%( 44%) WAFL_XClean SM_Exempt Exempt SSAN_Ex Intr Host Ops/s CP 55% 0% 232% 8% 28% 218% 47111 0%

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