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]>