nfsrahead - Man Page

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

-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 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>

Referenced By

nfs.conf(5).

08 Mar 2022 1.0 nfsrahead man page