メインコンテンツまでスキップ

FAS2500 ONTAP 9.6以降では、高CPUホストOS CSM-BTLがSnapMirrorを低速化します

環境

  • ONTAP 9.6 以降
  • FAS2500 システム

問題

  • ホストドメインの CPU 数 TOP-BS が多いため、 Active IQ で週次 AutoSupport から確認したところ、上位のコンシューマは CSM BTL です
  • SnapMirror 転送速度が最大で ONTAP のハードウェア構成のみを転送する場合

例:

last pid: 1690; load averages: 37.66, 40.22, 40.26 up 22+07:05:20 18:12:42 2083 processes:47 running, 168 sleeping, 2 zombie, 1866 waiting Mem: 167M Active, 868M Inact, 221M Laundry, 2065M Wired, 54M Buf, 75M Free Swap: 4096M Total, 583M Used, 3513M Free, 14% Inuse PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 2402 root 1 -16 - 0K 20K CPU3 3 39.0H 74.76% CSM BTLS 2404 root 1 -16 - 0K 20K CPU0 0 39.0H 73.58% CSM BTLS 2401 root 1 -16 - 0K 20K RUN 0 38.9H 73.49% CSM BTLS 2403 root 1 -16 - 0K 20K CPU2 2 38.9H 72.61% CSM BTLS

 

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.