Nasuni Filer initial setup

Nasuni provides managed storage service that offers interesting functionality in the cloud integrated storage space. After installing the Nasuni Filer VM, and browsing to the IP address of the VM:Nasuni011

1. Expand the Nasuni Virtual Filer Cache size:

The default cache of the local filer is 64GB. This is implemented as a dynamic VHDX file. Nasuni012

This disk will house all volumes provisioned on this Filer or brought down from other Filers in this or other sites to make remote shares available to users of this site.

To increase the size of this file – local cache size of this Filer:

  • Stop the Nasuni Filer VM. For example, use the Powershell cmdlet Stop-VM, or right-click on the Filer VM in Hyper-V Manager and select shutdown.
  • Expand the cache.vhdx file either via Powershell cmdlet from the VM settings in Hyper-V Manager
  • Start the Nasuni Filer VM

The Nasuni Filer detects the new cache disk size and expands the cache size accordingly:


Expanding the cache size will be an IO intensive process:

Nasuni014 At the end of this process, which takes several minutes, the cache size reflects the new cache.vhdx file size Nasuni019It’s unlcear why the actual cache.vhdx file size takes 110.7 GB on disk for a 500GB cache, while the same file took 1.5GB on disk for 64GB cache. There seems to be no linear correlation..

2. Remove/adjust the default bandwidth restriction:

Since I’m managing the 3 filers in this demo using NMC (Nasuni Management Console), I have to do this step in NMC. In the NMC, click Filers on top, then Quality of Service on the left, check the box next to the desired filer, and click Edit


Click the button next to the QoS rule to edit:


Enter ‘0’ to remove the default 2 Mbps limit, update and save it.



One response

  1. Pingback: Nasuni managed storage service overview and how-to | Sam's Corner

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