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如何从节点中删除DIMM

  • 2021年3月12日
  • 7个答复
  • 430次观看
s
徽章 +1

嗨，社区，

版本和型号-NX-1065-G6

我的一个节点中的DIMM有故障。

内存|不可纠正的ECC（@dimmc1（cpu2））|断言

我想将其从节点中删除并重新启动。即，不要用新的内存模块替换它。

  • 这可能吗？
  • 风险？
  • 我应该如何使用缺失的DIMM配置节点，还是Nutanix自动处理的东西？
  • 还有其他建议吗？建议？

我找到了这个文档。这是正确的选择吗？

干杯!

图标

最好的答案Jacksonwrath16072021年3月14日，05：01

Hey @Sammy777<\/user-mention><\/p>

Yea, you can do this. The \u201csymmetrical\u201d thing is for performance reasons; you want to make sure that all channels are \u201cbalanced\u201d and have the same number of DIMMs. It\u2019ll work if it\u2019s not balanced, but will likely be slower. This doc shows the supported balanced configurations of memory on that model:
https:\/\/portal.nutanix.com\/page\/documents\/details?targetId=System-Specs-G6-Multinode:har-dimm-config-overview-g6-c.html<\/a><\/p>

As far as getting Nutanix\u00a0to recognize that the DIMM is removed permanently and stop sending alerts, there\u2019s a way to do it, but it\u2019s not public and I don\u2019t remember what it is. Hit up Nutanix Support for that.<\/p>","className":"post__content__best_answer"}">

查看原件
Hi Community,<\/p>

Version and model -\u00a0NX-1065-G6<\/p>

I have a faulty DIMM in one node.\u00a0<\/p>

\u00a0Memory | Uncorrectable ECC (@DIMMC1(CPU2)) | Asserted<\/p><\/blockquote>

I would like to remove it from the node and restart it. i.e. Not to replace it with a new memory module.<\/p>

  • Is this possible?<\/li>\t
  • Risks?<\/li>\t
  • How should I configure the node with the missing DIMM, or is it something that Nutanix takes care of automatically?<\/li>\t
  • Any other advice? Recommendations?<\/li><\/ul>

    I found this document. Is this the correct one to follow?<\/p>

    \"//www.jhbzcj.com/next/how-it-works-22/\"<\/figure>

    Cheers!<\/p>","quoteUsername":"Sammy777","translations":{"Common":{"like":"Like","unlike":"Unlike"},"Forum":{"Quote":"Quote","Share":"Share"}}}">

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7个答复

阿罗纳
秩
UserLevel 6
徽章 +5

嗨，萨米777，


这是正确的指南（假设您运行ESXI管理程序）。

遵循指南，您将可以更换内存。

示出DIMM串行（旧和新）的注释，并在替换后比较IPMI中的串行。

运行NCC检查，替换后查看IMPI SEL日志和硬件状态。

只有一旦一切看起来都不错，就可以将节点从维护模式中脱颖而出。

要删除DIMM，您必须从两个通道中删除DIMM，以使通道容量保持对称。

另外，在同一指南中检查支持的内存配置。

Hi Sammy777,<\/p>


This is the right guide (assuming you run ESXi hypervisor).<\/p>

Follow the guide and you will be OK for memory replacement.<\/p>

Take the note of the DIMM serial (old and new) and compare the serial in IPMI after the replacement.<\/p>

Run NCC checks, look at IMPI SEL logs and hardware status after replacement.<\/p>

Only once everything looks good take the node out of maintenance mode.<\/p>

\u00a0<\/p>

To remove the DIMM you would have to remove DIMMs from both channels so that channels capacity remains symmetrical.<\/p>

Also, check supported memory configurations in the same guide.<\/p>

\u00a0<\/p>","quoteUsername":"Alona","translations":{"Common":{"like":"Like","unlike":"Unlike"},"Forum":{"Quote":"Quote","Share":"Share"}}}">

s
徽章 +1

你好 @Alona

谢谢回复。

我不想替换DIMM，而只是将其从节点中取出。

我运行AHV版本Nutanix 20170830.171

你是什​​么意思：

要删除DIMM，您必须从两个通道中删除DIMM，以使通道容量保持对称。

你能详细说明吗？

干杯!

Hi\u00a0@Alona<\/user-mention>\u00a0<\/p>

Thanks for the reply.<\/p>

I do not want to replace the DIMM, but just take it out of the node.<\/p>

I run AHV VERSION NUTANIX 20170830.171<\/p>

What do you mean by:<\/p>

To remove the DIMM you would have to remove DIMMs from both channels so that channels capacity remains symmetrical.<\/p><\/blockquote>

Can you please elaborate?<\/p>

Cheers!<\/p>","quoteUsername":"Sammy777","translations":{"Common":{"like":"Like","unlike":"Unlike"},"Forum":{"Quote":"Quote","Share":"Share"}}}">

p
UserLevel 6
徽章 +16

也许本文会帮助您：https://systemx.lenovofiles.com/help/index.jsp?topic=%2Fcom.lenovo.conv.8695.doc%2freplacingamemorydimm.html

Jacksonwrath1607
Userlevel 1
徽章 +1

嘿 @sammy777

是的，你可以做到这一点。“对称”的事情是出于绩效原因；您要确保所有频道都“平衡”并且具有相同数量的DIMM。如果不平衡，它将起作用，但可能会慢。该文档显示了该模型上支持的存储器的平衡配置：
https://portal.nutanix.com/page/documents/details?targetId=system-specs-g6-multinode:har-dimm-config-overvig-overview-g6-c.html

至于让Nutanix认识到DIMM被永久删除并停止发送警报，有一种方法可以做到这一点，但它不是公开的，我不记得它是什么。为此击中Nutanix的支持。

Hey @Sammy777<\/user-mention><\/p>

Yea, you can do this. The \u201csymmetrical\u201d thing is for performance reasons; you want to make sure that all channels are \u201cbalanced\u201d and have the same number of DIMMs. It\u2019ll work if it\u2019s not balanced, but will likely be slower. This doc shows the supported balanced configurations of memory on that model:
https:\/\/portal.nutanix.com\/page\/documents\/details?targetId=System-Specs-G6-Multinode:har-dimm-config-overview-g6-c.html<\/a><\/p>

As far as getting Nutanix\u00a0to recognize that the DIMM is removed permanently and stop sending alerts, there\u2019s a way to do it, but it\u2019s not public and I don\u2019t remember what it is. Hit up Nutanix Support for that.<\/p>","quoteUsername":"JacksonWrath1607","translations":{"Common":{"like":"Like","unlike":"Unlike"},"Forum":{"Quote":"Quote","Share":"Share"}}}">

s
徽章 +1

@Jacksonwrath1607

谢谢，这很有帮助。

@JacksonWrath1607<\/user-mention>\u00a0<\/p>

Thanks, that is helpful.<\/p>

\u00a0<\/p>","quoteUsername":"Sammy777","translations":{"Common":{"like":"Like","unlike":"Unlike"},"Forum":{"Quote":"Quote","Share":"Share"}}}">

p
UserLevel 6
徽章 +16

因为您解决了这个问题，我会要求您标记 @Jacksonwrath1607‘答复作为答案，因此有类似问题的人可以更快地找到解决方案。

In cause you solved this issue I would kindly ask you to mark @JacksonWrath1607<\/user-mention>\u00a0\u2018s reply as answer so people with similar issues can find solution faster.<\/p>","quoteUsername":"Primzy","translations":{"Common":{"like":"Like","unlike":"Unlike"},"Forum":{"Quote":"Quote","Share":"Share"}}}">
s
徽章 +1

更新

那没起效。

删除故障DIMM后，主机中留下5个DIMM。

我无法启动主机。它正在丢弃错误，并进入靴子循环。

我删除了并行DIMM以创建对称配置，但这也无济于事。

看起来Nutanix不支持DIMM的A对称配置。

谢谢！

Updates<\/strong><\/p>

It did not work.<\/p>

After removing the faulty DIMM, 5 DIMMs left in the host.<\/p>

I could not start the host. It was throwing errors and got into a boot loop.<\/p>

I removed the parallel DIMM to create a symmetrical configuration, but that did not help either.<\/p>

Looks like nutanix does not support a-symmetric configuration of DIMM.<\/p>

Thanks!<\/p>

\u00a0<\/p>","quoteUsername":"Sammy777","translations":{"Common":{"like":"Like","unlike":"Unlike"},"Forum":{"Quote":"Quote","Share":"Share"}}}">

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