Important Tips on NFS (Part 4)

What registry keys can be modified, if the number of Unix clients are more?   We can make the following registry changes:   HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Rpcxdr\Parameters ·         Right-click DefaultConcurrentConnections, and then click Modifyè  default value would be 256, you could make it to 1024. ·         And DefaultNumberOfWorkerThreadsè default value is 16, make this to 64. However for…

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Important Tips on NFS (Part 3)

Why we are unable to do a persistent mount across logons? Even using the command below to mount NFS share does not work: Ø  net use W: \\Server\Sharename /persistent:yes This behavior is by design and due to security enhancement in Windows. NFS mounted drive letters are session specific. There is specific guidance that this is…

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Important Tips on NFS (Part 2)

Why I am unable to change ownership from Windows clients?   This is due to the default Unix style behavior. In Unix side only root can delete files which he is not the owner.  Hence from Windows clients even if the user has full permission (i.e. if the file has the permission 777 from Unix),…

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Important Tips on NFS (Part 1)

How can we map users in Windows 2008? In windows 2008\2008 R2, we have the following options: 1.    Fetching maps from a windows 2003\2003 R2 mapping server 2.    Using Adlookup for mapping domain accounts 3.    Using ADLDS for local accounts Why the mapping information is not getting saved through GUI: The issue is more common…

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Managing Permission on NFS share

Unix style permission is bit different from Windows style permission. Files and directories are owned by a user unlike Windows where it can be owned by a group also. Permissions on Unix-like systems are managed in three distinct classes. These classes are known as user, group, and others. Users who are not the owner, nor…

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Unable to fetch User name mapping information from passwd and group file

Recently we got a case where customer was having issue fetching the maps from the group and passwd file. Customer was trying to configure maps on a Windows 2003 R2 box.   While troubleshooting, we did check the below things: 1.    User name mapping service (properties- General\log on\dependencies) 2.    File version for mapavc.exe 3.    Unix…

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How to configure users maps local users on Windows 2008

Recently we got a case where customer was looking for mapping local users on Windows 2008. The first hindrance which the customer realized was “Unavailability of User Name Mapping feature on Windows 2008”. One of the ways to maps local users in windows 2008 is through ADLDS which has been documented on the article below:…

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List of Hotfix for SFU 3.5

Please find the list of Hotfix for SFU 3.5.  For Server for NFS: http://support.microsoft.com/kb/939767  for Nfssvc.exe/Nfssvr.sys (8.0.2254.19) http://support.microsoft.com/kb/933397  for Nfssvr.sys (8.0.2254.20) ( You would first need to install the above patch to update the nfssvc.exe & nfssvr.sys and then this to update the driver for nfssvr.sys)   http://support.microsoft.com/?id=892561 for Nfssvr.sys (8.0.1969.26)   http://support.microsoft.com/?id=946226 for RPCxdr.sys (8.0.1969.61)  …

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Mounting Windows 2008 NFS share as a datastore on ESX

With the advancement in virtualization technologies, there has been an increase in the way shares are access.  In this post, I will walk through the steps needed to create a new NFS datastore on VMware which access the NFS share of Windows 2008 server.   For testing purpose, I have create an anonymous NFS share called…

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List of Hotifx to update the Server for NFS drivers in Windows 2003 R2

Please find the list of patch, one need to install to update the Server for NFS related drivers in Windows 2003 R2. Install the patches in sequential order. The first one will update the RPC(rpcxdr.sys). The second one updates the Server for NFS driver (nfssvc.exe and nfssvr.sys). The last one updates the the Server for…

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