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CVM资源分配

b
Userlevel 1
徽章 +2
嘿大家。因此，我对整个Nutanix游戏都是相对较新的。



我很好奇每个人的建议是CVM分配。我们让Nutanix做了我们的原始配置，但是安装程序设置的规定似乎有些过多。每CVM 10核和32GB RAM，



有什么想法吗？


    \n

    \nIm curious what everyone is suggestion is for CVM allocation. We had nutanix do our original provisioning, but the provisions the installer set it up with seem a bit excessive. 10 Cores and 32gb ram per CVM,

    \n

    \nAny thoughts?

    <\/a><\/p>","quoteUsername":"Brado-Mski","translations":{"Common":{"like":"Like","unlike":"Unlike"},"Forum":{"Quote":"Quote","Share":"Share"}}}">

    该主题已关闭以供评论

    8个答复

    Patrbng
    UserLevel 2
    徽章 +19
    目前，DEAULT是24GB，VCPU与一个处理器相同。这取决于您有多少CVM。如果rf3，则使用频繁快照的DEDUP/压缩和复制，则可能需要更多。如果它只是基本存储，什么也没有，那么您可能需要更少的。可能值得一个快速的呼吁来支持他们，以便让他们看看并给您建议。



    今天的安装环境通常在六个月后与其他环境不同。

    \n

    \nInstallation environment today usually isn't the same environment six months later.","quoteUsername":"patrbng","translations":{"Common":{"like":"Like","unlike":"Unlike"},"Forum":{"Quote":"Quote","Share":"Share"}}}">
    乔恩
    秩
    UserLevel 6
    徽章 +29
    最后的设定是最有说服力的。第1天的利用不是群集大小的最佳尺寸。



    默认情况下，安装程序将在单个CVM上设置VCPU的数量，等于一个单个插座上的内核数，并具有一些顶端限制。



    猜测您在这些框中有10个核心处理器，因此10 VCPU设置。



    请注意，这些不是保留的CPU。在ESXI世界中，我们保留10GHz的顶端CPU，只有在盒子上有100％的CPU争夺时才考虑到。那大约等于大约4个核心。这是一件好事，因为您不希望CVM真正在盒子上敲打时饿死CPU。



    与CVM内存相同的协议，除了这些是硬预订的外，因此我们可以静态保留任何分配的内存。同样的原则，如果您真的很难跑，您就不希望CVM饿死。



    至于内存的配置设置，最低限度为16GB，现在绝对地板约为AOS 5.0的24GB。



    32GB，如果您选择启用它，则至少可以解锁容量层重复数据删除。



    请记住，我们不用该记忆来无所作为，那就是缓存以及其他旨在使系统运行更好或将杀手级功能交付给您的幻想。
    乔恩·科勒|Nutanix工程技术总监|Nutanix NPX＃003，VCDX＃116 |@jonkohler |如果有用的话，请荣誉！

    \n

    \nBy default, the installer will set the number of vCPU's on a single CVM equal to the number of cores on one single socket, with some top end limitations.

    \n

    \nGuessing you've got 10 core processors in those boxes, hence the 10 vCPU setting.

    \n

    \nNote that those are not reserved CPUs. In the ESXi world, we reserve 10GhZ of top end CPU, which only comes into account when there is 100% CPU contention on the box. Thats roughly equal to around 4 cores. This is a good thing, as you wouldn't want the CVM's to be starved for CPU when you're really hammering on the box.

    \n

    \nSame deal with CVM memory, with the exception that those are hard reservations, so we statically reserve whatever memory is allocated. Same principle, you dont want the CVM's starved if you're really running hard.

    \n

    \nAs for configuration setting of memory, minimum used to be 16GB, now the absolute floor is about 24GB as of AOS 5.0.

    \n

    \n32GB, at minimum, unlocks capacity tier deduplication if you choose to enable it.

    \n

    \nKeep in mind, we dont use that memory for nothing, thats caching, and other fancy stuff designed to make the system run better, or deliver killer features back to you.","quoteUsername":"Jon","translations":{"Common":{"like":"Like","unlike":"Unlike"},"Forum":{"Quote":"Quote","Share":"Share"}}}">
    s
    徽章 +3
    乔恩



    CVM尺寸是否有一个官方的词。我正在制作一个低级设计文档，用于基于dell XC630框的Nutanix节点实现大数据中心（100 +节点）。我们计划将AOV 5.0.3与ESXI 6.5一起使用。同时，我们计划使用最终许可证，并具有DEDUP / COMPLESSION / ERASURE编码等功能。另一个方面是建议的集群尺寸。虽然Vsphere 6.5在一个集群中最多支持64个主机，但我找不到Nutanix的任何等效文档。
    Jon<\/a>

    \n

    \nIs there a Offical word out there for CVM sizing. I am working on a Low level design document for implementing a big Data Centre ( 100 + nodes ) based on nutanix Nodes over DELL XC630 boxes. We plan to use AOV 5.0.3 with ESXi 6.5. Same time we plan to use ultimate licence with features like Dedup \/ complression \/erasure coding etc. Another aspect is the recommended cluster size. While Vsphere 6.5 supportes upto 64 Hosts in a cluster, I am unable to find any equivalent documentation from nutanix.","quoteUsername":"sushilkm","translations":{"Common":{"like":"Like","unlike":"Unlike"},"Forum":{"Quote":"Quote","Share":"Share"}}}">
    Mikegelhar
    Userlevel 1
    徽章 +9
    只有您列出的核心功能，每CVM 24GB可能就可以了，但是如果您打算使用其他服务（例如AFS或自助服务），那么32GB将是一个很好的尺寸，可以从以后进行一些验证。

    Nutanix群集的大小确实没有限制。如果您使用的是雅典卫城管理程序，则可以在一个群集中拥有100或1000的节点。由于Vsphere是管理程序，您的每个群集都限制为64个节点。在我的环境中，我们将群集大小限制为32个节点，因为自我对机架容量的限制以及我们如何实现故障域。

    \nThere really is no limit to the size of a Nutanix cluster. If you were using the Acropolis hypervisor, you could have 100's or 1000's of nodes in a single cluster. With vSphere being the hypervisor, you're limited to 64 nodes per cluster. In my environment we limit cluster size to 32 nodes just because self-imposed restrictions on rack capacity and how we implement failure domains.","quoteUsername":"mikegelhar","translations":{"Common":{"like":"Like","unlike":"Unlike"},"Forum":{"Quote":"Quote","Share":"Share"}}}">
    s
    徽章 +3
    Mikegelhar



    我明白 。我正在寻找的是来自nutanix指导CVM的尺寸和考虑因素。我确实找到了一种“使用VMware vSphere的Nutanix存储的配置最佳实践”，但文档是2014年的Vintage，也许也已经过时了
    乔恩
    秩
    UserLevel 6
    徽章 +29
    Sushilkm- 感谢您伸出援手，希望假期对您有好处。



    您要寻找的指导在这里：

    https://portal.nutanix.com/#/page/docs/details?targetId=release-notes-acr-v55:rel-memory-requirements-r.html

    https://portal.nutanix.com/#/page/docs/details?targetID=AHV-ADMIN-GUIDE-V55:APP-CVM-MEMORY-CONFIG-U.HTML



    第二个链接在AHV文档下，但是对于ESXI而言，指南相同。



    TLDR -32GB是一个非常可靠的建议。你可以信任Mikegelhar- 他经营着世界上最大的Nutanix部署之一，并且已经看到了几乎所有可以看到的东西
    乔恩·科勒|Nutanix工程技术总监|Nutanix NPX＃003，VCDX＃116 |@jonkohler |如果有用的话，请荣誉！
    l
    徽章 +2
    伙计们，您能确认我们是否应该设置CPU \ RAM共享，预订和\或CVM上的限制（使用ESXI时）？
    r
    UserLevel 3
    徽章 +8
    AHV文档说，您可以根据安装基础[物理CPU中的内核]和工作量[请参阅附件]在VCPU和RAM上进行更高的vcpu和RAM进行更高的速度。





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