nbdkit-full-plugin - nbdkit plugin which is always full
nbdkit full [size=]SIZEnbdkit-full-plugin is a plugin for nbdkit(1). Reads from this virtual disk return zeroes. All writes and similar operations like zero and trim fail with ENOSPC (No space left on device) error.
In other words this behaves like a sparse (thin-provisioned) virtual disk which has run out of space on the host.
Although this is a standalone plugin, it is equivalent to using either nbdkit-readonly-filter(1):
nbdkit --filter=readonly null SIZE nbdkit --filter=error null SIZE \
error-pwrite=ENOSPC error-pwrite-rate=100% \
error-trim=ENOSPC error-trim-rate=100% \
error-zero=ENOSPC error-zero-rate=100%Those filters may be more flexible because you can place them on top of other plugins and you can control when to inject errors.
Specify the virtual size of the disk image.
This parameter is required.
size= is a magic config key and may be omitted in most cases. See "Magic parameters" in nbdkit(1).
The plugin.
Use nbdkit --dump-config to find the location of $plugindir.
nbdkit-full-plugin first appeared in nbdkit 1.10.
nbdkit(1), nbdkit-plugin(3), nbdkit-error-filter(1), nbdkit-null-plugin(1), nbdkit-ones-plugin(1), nbdkit-pattern-plugin(1), nbdkit-random-plugin(1). nbdkit-readonly-filter(1), nbdkit-sparse-random-plugin(1), nbdkit-zero-plugin(1).
Richard W.M. Jones
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