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

       -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>

1.0                                                08 Mar 2022                                            man(5)