メインコンテンツまでスキップ

E5700コントローラの再挿入後に書き込みレイテンシが増加する

Views:
Visibility:
Public
Votes:
0
Category:
e-series-systems
Specialty:
esg<a>2010041308</a>
Last Updated:

環境

  • NetApp Eシリーズ
  • プラットフォーム:E5700
  • NTB(非透過PCIeブリッジング)
  • WBC(ライトバックアップキャッシュ)

問題

  • コントローラを再挿入すると、WBCが自動的に有効になりません。

STORAGE-ARRAY-PROFILE ログから:

    Read cache:               Enabled             
   Write cache:               Enabled (currently suspended)  
     Write cache without batteries:    Disabled             
     Write cache with mirroring:      Enabled (currently suspended) 
    Flush write cache after (in seconds):  10.00              
    Dynamic cache read prefetch:       Disabled                    

  • 最適なコントローラを取り外す前と比較して、WBCを再度有効にした後のパフォーマンスの低下(書き込みレイテンシの増加)が発生します。

 

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.