VMware 虚拟磁盘性能只有母鸡磁盘的 24%,这正常吗? - V2EX
PatrickLe

VMware 虚拟磁盘性能只有母鸡磁盘的 24%,这正常吗?

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  •   PatrickLe Aug 27, 2024 1837 views
    This topic created in 622 days ago, the information mentioned may be changed or developed.
    母鸡 Windows 装在一块 2T 的 U2 硬盘上测速有 3G/s ,在 VMware 跑的 win 虚拟机磁盘测速竟然只有 760M/s ,损失了 7 成的磁盘性能,有点夸张。这是正常情况吗?

    另外,这个再直通 Nvme 硬盘性能怎么样呢?找了下资料说 VMware Workstation 直通磁盘是假的啊
    4 replies    2024-08-28 10:18:28 +08:00
    piku
        1
    piku  
       Aug 27, 2024 via Android
    不正常。首先考虑分区块大小和对齐问题。其次考虑 CPU 性能。
    另外 VMware 的什么系统? vmdk 保存在 vmfs 上还是 ntfs 上?
    ysc3839
        2
    ysc3839  
       Aug 27, 2024 via Android
    把 VMware 的硬盘控制器改成 NVMe 或者 pvscsi 试试?
    zsj1029
        3
    zsj1029  
       Aug 28, 2024
    hyper-v win 自带的效率最高,可以试试
    paopjian
        4
    paopjian  
       Aug 28, 2024
    虚拟磁盘是用 CPU 算完再放文件里啊,肯定有折损
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