man(5) nfsrahead man page man(5)
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 back-
ing device as provided by the kernel.
OPTIONS
-F Send messages to stderr instead of syslog
-d Increase the debugging level.
CONFIGURATION
nfsrahead is configured in /etc/nfs.conf, in the section titled nfsra-
head. 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>
1.0 08 Mar 2022 man(5)
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