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Operating Systems AIX AIX NFS Server and NFS Client Post 302960125 by MichaelFelt on Tuesday 10th of November 2015 06:53:17 PM
Old 11-10-2015
Thanks for the update.

Your fix was to be my recommendation.

a) AIX, to boot (quickly) needs to have two IP addresses in /etc/hosts
127.0.0.1 loopback localhost
A.B.C.D hostname

b) for the AIX NFS server both server and client must agree on the name and IP address used by the client to connect (mount) on the server. There was a time that when the client used a shortname and the server a "longname" the mount would fail (I hope the shortname check is enough these days)

In short, when NFS mounts are taking a long time verify the IP address used to connect (especially from multi-homed clients). Back in telnet days I would just telnet in to the server and then use the who command to see what IP address/hostname the server reported. If it was an IP address I knew I needed to do something because the hostname - short or long - was not resolving. It might also be what I considered the alias - again, if not the name the client was announcing - the AIX server will refuse the mount.

Hope this helps your understanding!
 

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mountd(1M)																mountd(1M)

NAME
mountd, rpc.mountd - server for NFS mount requests and NFS access checks SYNOPSIS
n] DESCRIPTION
is an RPC server that answers requests for NFS access information and file system mount requests. It reads the file to determine which file systems are available for mounting by which remote machines. See sharetab(4). running on the local server will contact the first time an NFS client tries to access the file system to determine whether the client should get read-write, read-only, or no access. This access can be dependent on the security mode used in the remote procedure call from the client. See share_nfs(1M). The command also provides information as to what file systems are mounted by which clients. This information can be printed using the showmount(1M) command. The daemon is automatically invoked if and in Only superuser can run the daemon. Options The following options are supported: This is an obsolete option. All messages and errors are logged to Reject mount requests from clients. Clients that have file systems mounted will not be affected. Specify tracing level n, where n can have one of the following values: Errors only (default). Errors, requests handled by mountd, results, and the names of the main functions leading to the result Run the command in verbose mode. Each time determines what access a client should get, it will log the result to the as well as the names of the main functions leading to the result. WARNINGS
If is running, must also be running in order to be assured that the NFS server can respond to requests. Some routines that compare hostnames use case-sensitive string comparisons; some do not. If an incoming request fails, verify that the case of the hostname in the file to be parsed matches the case of the hostname called for, and attempt the request again. If a client crashes, executing on the server will show that the client still has a file system mounted. In other words, stale entries may accumulate in for clients that crash without sending an unmount request. Also, if a client mounts the same remote directory twice, only one entry appears in Doing a of one of these directories removes the single entry and no longer indicates that the remote directory is mounted. AUTHOR
was developed by Sun Microsystems, Inc. FILES
shared file system table list of all hosts having file systems mounted from this machine rpc.mountd log file for messages and errors SEE ALSO
nfsd(1M), share(1M), share_nfs(1M), showmount(1M), sharetab(4). mountd(1M)
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