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Understanding NFS and NFSRestart agent

Network File System (NFS) allows network users to access shared files stored on an NFS server. NFS allows you to manage shared files transparently as if the files were on a local disk. For more information about NFS and configuring NFS service groups, refer to the following sections:

The NFSRestart agent is a Cluster Server (VCS) bundled agent. This agent is installed on the system when you install VCS. The NFSRestart agent is configured in conjunction with the NFS agent for failover type shared service groups.

The NFSRestart agent manages essential NFS locking services, network status manager, and network lock manager. The agent also manages NFS lock recovery service by recovering the NFS record locks after sudden server crash. The agent prevents potential NFS ACK storms by terminating NFS server services before closing all Transmission Control Protocol (TCP) connections with the NFS client.

Refer to the following sections for more information about the NFSRestart agent:

In a Veritas Cluster File System environment, instead of the NFSRestart agent, you must configure preonline and postonline triggers for managing NFS services. For more information, refer to the following section:

The links in this article are specific to the Linux platform. Veritas InfoScale documentation for other releases and platforms can be found on the SORT website.