nfsrahead - Man Page
Configure the readahead for NFS mounts
Synopsis
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>