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Global File Cache: What are Virtual Deployment Requirements for Global File Cache

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Applies to

  • Global File Cache (GFC)
  • Microsoft Hyper-V
  • VMware vSphere 6.x onwards

Answer

  • Microsoft Hyper-V 2016 R2 onwards
    • Processor (CPU): CPUs must be set as Static: Minimum: 4vCPU Cores.
    • Memory (RAM): Minimum: 16GB set as Static.
    • Hard Disk Provisioning: Hard Disks must be configured as “Fixed Disk”.
  • VMware vSphere 6.x onwards
    • Processor (CPU) * IMPORTANT: Reservation of CPU Cycles must be set. Minimum: 4 
    • vCPU Cores @ 10000MHz.
    • Memory (RAM) * IMPORTANT: Minimum: Reservation of 16GB.
    • Hard Disk Provisioning * IMPORTANT: 
    • Disk Provisioning set as “Thick Provisioned Eager Zeroed”,
    • Hard Disk Shares set to High,
    • Set “devices.hotplug” to “false” using the vSphere Client to prevent Microsoft Windows from presenting 
    • GFC drives as “removable”.

 

Additional Information

  • Hypervisor platforms are known to be subject to performance degradation from a storage subsystem perspective (e.g. latency).
  • For optimal performance using GFC, a physical server instance with SSD is recommended.

 

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.
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