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  • Blog Post: Tips on 'mount options" on NFS version 4.1

    Inputs on NFS 4.1 mount: While working on a recent scenario on NFS V4.1, we came across some intresting scenarios for mounting the NFS volumes on the Unix NFS clients. In the implementation of V4.1, there are no particular access requirements to virtual directories , but all relative objects have...
  • Blog Post: How to manually install a hotfix?

    It may happen that you need to manually install a hotfix. Starting from Windows Vista some of the kernel drivers are owned by TrustedInstaller. One cannot simply rename the driver file like nfssvr.sys. You can perform the following steps to replace a kernel driver. Let’s take the example of nfssvr.sys...
  • Blog Post: 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...
  • Blog Post: Concepts on multiple user mapping

    We do get a lot of questions on multiple users mapping between Windows and Unix users. I have tried to list the questions and the answers for them through this blog: How does multiple user name mapping works <Answer> We can map a Windows-based account only to a single UNIX-based account...
  • Blog Post: RHEL clients displays Anonymous UID and GID in the permission for the files and folder that are shared over NFS v4.1

    Consider a scenario where Windows 2012 is hosting shares over NFS v4.1. Adlookup is configured for user and group mapping. RHEL 5.8 is the NFS client which is mounting the NFS shares and then accessing as a mapped user. From the Windows side correct information is displayed on the ownership tab. Also...
  • Blog Post: How to change the default ownership of a newly created file on Windows

    Recently we got an issue where customer was creating a new folder under a NFS share from Windows box, but the default ownership for the newly created folder was going to Administrator. Customer wanted the ownership to go to the person who is creating the share rather than Administrator. To achieve this...