PowerScale — OneFS 生成消息“DMA 套接字读取错误字节数以读取套接字上的 4000 — 连接被对等节点重置”

Summary: 此知识库文章的范围是解决 NDMP 错误“DMA 套接字读取错误;套接字上要读取的字节数为 4000 - 连接被对等方重置”。

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Symptoms

以下内容可能会报告以下错误： /var/log/messages 或 /var/log/isi_ndmp_d 日志。

isilon-1 isi_ndmp_d[84408]: ERRO:NDMP comm.c:1626:ndmp_readit  DMA socket read error; bytes to read 4000 on socket 17 - Connection reset by peer
isilon-1 isi_ndmp_d[84409]: ERRO:NDMP comm.c:1626:ndmp_readit  DMA socket read error; bytes to read 4000 on socket 17 - Connection reset by peer
isilon-1 isi_ndmp_d[84914]: ERRO:NDMP comm.c:1626:ndmp_readit  DMA socket read error; bytes to read 4000 on socket 17 - Connection reset by peer

Cause

当发生其中一种或两种情况时，将生成事件：
PowerScale 和 DMA 之间的网络连接不稳定。
- DMA 端存在配置错误。

Resolution

让最终用户执行以下任务：
联系网络团队调查与网络相关的问题。
- 查看 DMA 配置并纠正发现的任何问题。
- 如需进一步帮助，请联系支持人员。

Affected Products

Isilon
Article Properties
Article Number: 000182017
Article Type: Solution
Last Modified: 02 Jan 2026
Version:  6
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