1man(5) nfsrahead man page man(5)
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6 nfsrahead - Configure the readahead for NFS mounts
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10 nfsrahead [-F] [-d] <device>
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14 nfsrahead is a tool intended to be used with udev to set the
15 read_ahead_kb parameter of NFS mounts, according to the configuration
16 file (see CONFIGURATION). device is the device number for the NFS back‐
17 ing device as provided by the kernel.
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21 -F Send messages to stderr instead of syslog
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24 -d Increase the debugging level.
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28 nfsrahead is configured in /etc/nfs.conf, in the section titled nfsra‐
29 head. It accepts the following configurations.
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32 nfs=<value>
33 The readahead value applied to NFSv3 mounts.
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36 nfs4=<value>
37 The readahead value applied to NFSv4 mounts.
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40 default=<value>
41 The default configuration when none of the configurations above
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46 [nfsrahead]
47 nfs=15000 # readahead of 15000 for NFSv3 mounts
48 nfs4=16000 # readahead of 16000 for NFSv4 mounts
49 default=128 # default is 128
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53 mount.nfs(8), nfs(5), nfs.conf(5), udev(7), bcc-readahead(8)
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57 No known bugs.
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61 Thiago Rafael Becker <trbecker@gmail.com>
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651.0 08 Mar 2022 man(5)