nfsrahead - Configure the readahead for NFS mounts
nfsrahead [-F] [-d] <device>
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.
- -F
- Send messages to stderr instead of syslog
- -d
- Increase the debugging level.
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.
[nfsrahead]
nfs=15000 # readahead of 15000 for NFSv3 mounts
nfs4=16000 # readahead of 16000 for NFSv4 mounts
default=128 # default is 128
mount.nfs(8),
nfs(5),
nfs.conf(5),
udev(7),
bcc-readahead(8)
No known bugs.
Thiago Rafael Becker <
[email protected]>