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NFS mounts are restricted to eight by default in ESX 3.5.x

Details

This article details configuring more than eight NFS mounts on my ESX Server.
 
Specifically, the article discusses: 
  • Configuring NFS TCP and/or NFS HEAP settings
  • Identifying the settings the TcpIpHeapSize or TcpIpHeapMax must have

Solution

Default configuration allows for only eight NFS mounts per ESX Server.
 
To mount more than eight NFS mounts on an ESX Server host:
  1. Start the VI Client.
  2. Select the host from the inventory panel and click Advanced Settings on the Configuration tab.
  3. In the Advanced Settings dialog box, select NFS and set NFS.MaxVolumes to 32.
  4. Select Net and set Net.TcplpHeapSize to 30.
  5. Select Net and set Net.TcpIpHeapMax to 120.
  6. Reboot the ESX Server host.

Note: These settings enable up to 32 mounts on the ESX host.

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Actions
  • KB Article: 2239
  • Updated: Aug 14, 2009
  • Products:
    VMware ESX
  • Product Versions:
    VMware ESX 3.5.x