Section 5 · File formats

nfsrahead.5

Package: nfs-utils

man

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
CONFIGURATION
EXAMPLE CONFIGURATION
SEE ALSO
BUGS
AUTHOR


NAME

nfsrahead − Configure the readahead for NFS mounts

SYNOPSIS

nfsrahead [-F] [-d] <device>

DESCRIPTION

nfsrahead is a tool intended to be used with udev to set the read_ahead_kb parameter of NFS mounts, according to the configuration file (see CONFIGURATION). device is the device number for the NFS backing device as provided by the kernel.

OPTIONS

-FSend messages to stderr instead of syslog
-dIncrease the debugging level.

CONFIGURATION

nfsrahead is configured in /etc/nfs.conf, in the section titled nfsrahead. It accepts the following configurations. **
nfs=<value>**

The readahead value applied to NFSv3 mounts.

nfs4=<value>

The readahead value applied to NFSv4 mounts.

default=<value>

The default configuration when none of the configurations above is set.

EXAMPLE CONFIGURATION

[nfsrahead]
nfs=15000 # readahead of 15000 for NFSv3 mounts
nfs4=16000 # readahead of 16000 for NFSv4 mounts
default=128 # default is 128

SEE ALSO

mount.nfs(8), nfs(5), nfs.conf(5), udev(7), bcc-readahead(8)

BUGS

No known bugs.

AUTHOR

Thiago Rafael Becker <trbecker@gmail.com>