Shulou(Shulou.com)05/31 Report--

Today, I will talk to you about how to troubleshoot the NFS server in Linux. Many people may not know much about it. In order to make you understand better, the editor has summarized the following for you. I hope you can get something according to this article.

If there is a NFS failure in the Red Hat Enterprise Linux 5.0server, you can check it from the following aspects.

1.1 troubleshooting ideas

(1) whether the load of the NFS client and server is too high, and whether the network between the server and the client is normal.

(2) the correctness of / etc/exports file.

(3) restart the NFS or portmap service if necessary.

Restart portmap and NFS by running the following command:

Service portmap restart feedom.net

Service nfs start

(4) check whether the syntax of the mount command or / etc/fstab in the client is correct.

(5) check whether the kernel supports NFS and RPC services.

The options for a normal kernel are CONFIG_NFS_FS=m, CONFIG_NFS_V3=y, CONFIG_NFSD = m, CONFIG_NFSD_V3=y, and CONFIG_SUNRPC=m.

We can use the common network connection and testing tools ping and tracerroute to test whether the network connection and speed are normal, which is the basis of the function of NFS. The rpcinfo command is used to display the RPC information of the system, and the-p parameter is generally used to list the RPC services of a host. When you check the server with the rpcinfo-p command, you should see portmapper, status, mountd nfs, and nlockmgr. When you check the client with this command, you should at least see the portmapper service.

After reading the above, do you have any further understanding of how to troubleshoot NFS servers in Linux? If you want to know more knowledge or related content, please follow the industry information channel, thank you for your support.

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