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Section: nfsrahead man page (5)
Updated: 08 Mar 2022
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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>
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- OPTIONS
-
- CONFIGURATION
-
- EXAMPLE CONFIGURATION
-
- SEE ALSO
-
- BUGS
-
- AUTHOR
-
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