3 nbdkit-null-plugin - nbdkit bitbucket plugin
7 nbdkit null [[size=]SIZE]
11 C<nbdkit-null-plugin> is a null plugin for L<nbdkit(1)>. Everything
12 written to the virtual device is discarded, and reads back as zeroes.
14 Most NBD consumers will be very confused by this device. Trying to
15 create filesystems etc on it will likely fail badly. If the client is
16 caching writes locally then you will get inconsistent read behaviour.
18 The null plugin is also used when probing for installed filters, see
19 L<nbdkit-probing(1)/Detect if a filter is installed>.
27 Specify the virtual size of the disk image.
29 This parameter is optional. If omitted then a zero-sized device is
32 C<size=> is a magic config key and may be omitted in most cases.
33 See L<nbdkit(1)/Magic parameters>.
41 =item F<$plugindir/nbdkit-null-plugin.so>
45 Use C<nbdkit --dump-config> to find the location of C<$plugindir>.
51 C<nbdkit-null-plugin> first appeared in nbdkit 1.2.
57 L<nbdkit-full-plugin(1)>,
58 L<nbdkit-pattern-plugin(1)>,
59 L<nbdkit-random-plugin(1)>.
60 L<nbdkit-sparse-random-plugin(1)>,
61 L<nbdkit-zero-plugin(1)>.