nfsrahead
man(5) nfsrahead man page man(5)
NAME
nfsrahead - Configure the readahead for NFS mountsSYNOPSIS
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 num‐
ber 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 128SEE 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)