Windows Server 2008 R2 NFS mounted data store is read only

I've done this dozens of times in the past, but not with this exact combination successfully:

ESX4 U1

Windows 2008 R2 Server Datacenter edition

NFS Server installed. TCP Version 3.

The normal configuration that worked in the past:

NTFS security - total control on ANONYMOUS logon, everyone control total

The local policies, network access: Let Everyone permissions apply to anonymous users (applied automatically by Windows)

NFS Sharing - ANSI encoding, allow anonymous access - UID = - 2, GID = - 2

NFS share permissions - allow all THE MACHINES read-write, ROOT access

The data store adds OK and appears in the list of data on vClient stores and can be viewed or directly via a Console logon.

The problem is that the data store is read only! Nothing from ESX can write, delete, or update a folder or a file on the data store. Access Windows NTFS is very well.

This means also you cannot boot from say a CD ISO on the data store, or create a VMDK guest virtual computer on the data store.

Given that I had zero problems with this in the past, when with the help of ESX3 or ESX4 connect to Windows Server 2003R2 or several NAS with NFS devices supported I think Windows 2008R2?

Has anyone seen anything like this before?

I use it currently; It works fine, but it's the way that you configure the windows nfs export without having to use a mapping service (see images)

Also, be aware that Windows System Cache is a bit less efficient than linux (but that's ok) you just need to add additional RAM at least 16 GB for the data store busy.

I also recommend refining delays in setting up nfs for each virtual machine host:

NFS. HeartbeatFrequency = 10

NFS. HeartbeatFailures = 5

And on windows change the properties of the NFS server in the locking tab

customer collection lock wait 5

Tags: VMware

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