11-05-2008
using stat() on an NFS mount
I want to verify a mounted NFS filesystem mountpoint. It's fine if I use stat() while the NFS server is active, but when the server is down for this hard mount, the stat() hangs indefinitely.
So how can I know I will hang without first getting hung? It's a conundrum.
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LEARN ABOUT CENTOS
mount.nfs
MOUNT.NFS(8) System Manager's Manual MOUNT.NFS(8)
NAME
mount.nfs, mount.nfs4 - mount a Network File System
SYNOPSIS
mount.nfs remotetarget dir [-rvVwfnsh ] [-o options]
DESCRIPTION
mount.nfs is a part of nfs(5) utilities package, which provides NFS client functionality.
mount.nfs is meant to be used by the mount(8) command for mounting NFS shares. This subcommand, however, can also be used as a standalone
command with limited functionality.
mount.nfs4 is used for mounting NFSv4 file system, while mount.nfs is used to mount NFS file systems versions 3 or 2. remotetarget is a
server share usually in the form of servername:/path/to/share. dir is the directory on which the file system is to be mounted.
OPTIONS
-r Mount file system readonly.
-v Be verbose.
-V Print version.
-w Mount file system read-write.
-f Fake mount. Don't actually call the mount system call.
-n Do not update /etc/mtab. By default, an entry is created in /etc/mtab for every mounted file system. Use this option to skip making
an entry.
-s Tolerate sloppy mount options rather than fail.
-h Print help message.
nfsoptions
Refer to nfs(5) or mount(8) manual pages.
NOTE
For further information please refer nfs(5) and mount(8) manual pages.
FILES
/etc/fstab file system table
/etc/mtab table of mounted file systems
SEE ALSO
nfs(5), mount(8),
AUTHOR
Amit Gud <agud@redhat.com>
5 Jun 2006 MOUNT.NFS(8)