メインコンテンツへスキップ

Ndmp ディレクトリ/ファイルのリストアは、バックアップに比べてスループットがかなり遅い

Views:
2
Visibility:
Public
Votes:
0
Category:
ndmp
Specialty:
dp
Last Updated:

環境

  • ONTAP 9
  • NDMP
  • リモートバックアップ

問題

  • NDMP リストアではフェーズ 3 で多くの PAUZE と SEEK が示される
00000030.4d4bbea1 04895587 Mon Feb 17 2025 11:30:31 +01:00 [kern_ndmpd:info:7671] [15354] INFO: DATA notification state 3 (SESS_STATE: PAUSED) event 8 (EVENT: SEEK)
00000030.4d4bbea2 04895587 Mon Feb 17 2025 11:30:31 +01:00 [kern_ndmpd:info:7671] [15354] INFO: DATA read at offset 17856332800 with length 2621440 
00000030.4d4bbea3 04895587 Mon Feb 17 2025 11:30:32 +01:00 [kern_ndmpd:info:7671] [15354] INFO: DATA notification state 3 (SESS_STATE: PAUSED) event 8 (EVENT: SEEK) 
00000030.4d4bbea4 04895587 Mon Feb 17 2025 11:30:32 +01:00 [kern_ndmpd:info:7671] [15354] INFO: DATA read at offset 17858954240 with length 2621440
 
  • NDMP サーバーから報告されたデータ接続上の TCP ゼロ ウィンドウの数が過剰であることを示すパケット トレース分析
2021393   3422.740198   0.000134000   Apr  2, 2025 09:25:06.797802000 W. Europe Daylight Time   10.xxx.xxx.xxx   172.xxx.xxx.xxx   40602   1169539381   29056       1169579917   1626325338   [TCP Window Full]  | Unknown (0x90f5)[Packet size limited during capture]

2021394   3422.740224   0.000026000   Apr  2, 2025 09:25:06.797828000 W. Europe Daylight Time   172.xxx.xxx.xxx  10.xxx.xxx.xxx   66   1626325338   0   2021393   0.000026000   1626325338   1169579917   [TCP ZeroWindow] 10843 → 4588 [ACK] Seq=1626325338 Ack=1169579917 Win=0 Len=0 TSval=2981828353 TSecr=3309102012  

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.

 

  • この記事は役に立ちましたか?