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nbdkit-release-notes-1.6(1)	    NBDKIT	   nbdkit-release-notes-1.6(1)

NAME
       nbdkit-release-notes-1.6	- release notes	for nbdkit 1.6

DESCRIPTION
       These are the release notes for nbdkit stable release 1.6.  This
       describes the major changes since 1.4.

       nbdkit 1.6.0 was	released on 28th August	2018.

   New features
       o   You can now write plugins in	the Lua	scripting language, see
	   nbdkit-lua-plugin(3).

       o   nbdkit and common plugins are now "63 bit clean": the maximum disk
	   size	supported is 2a<paragraph>A^3-1	bytes, and the core server and
	   plugins now have additional tests to	check this works, even on 32
	   bit machines.

       o   Multiple improvements to the	nbdkit-file-plugin(1) to make zeroing
	   and trimming	perform	better,	work correctly with block devices, and
	   work	on older Linux kernels [Nir Soffer, Eric Blake].

       o   New nbdkit-pattern-plugin(1)	generates a simple, fixed test pattern
	   for testing nbdkit filters and NBD clients.

       o   New nbdkit-truncate-filter(1) can: truncate or extend the size of
	   plugins, or round up	or down	the size to next multiple of a power
	   of 2.  Useful for NBD clients like qemu which can only handle NBD
	   sizes which are a multiple of 512 bytes.

       o   New nbdkit-error-filter(1) which can	be used	to inject errors into
	   the protocol	for testing how	clients	can handle and recover from
	   errors.

       o   New nbdkit-data-plugin(1) allows you	to specify (small) disk	images
	   directly on the command line.

       o   Enhanced error reporting in the Python plugin so full tracebacks
	   from	errors are now displayed instead of being lost as before.

       o   "NBD_OPT_GO"	now supported, so we can return	errors when
	   negotiating the export name.

       o   Support for logging error messages to syslog.

       o   nbdkit can now be compiled with Clang (as well as GCC).

       o   nbdkit can now be compiled on FreeBSD.

       o   nbdkit-vddk-plugin(1) is compiled unconditionally.  You no longer
	   need	to install the proprietary VDDK	to compile it.

       o   Debug messages now include the name of the filter when invoked from
	   a filter context.

       o   Debug flags (-D option) provides lightweight	debugging for plugin
	   authors.

   Acknowledgements
       Thanks to all who contributed, especially Nir Soffer and	Eric Blake.

SEE ALSO
       nbdkit(1),
       https://www.redhat.com/archives/libguestfs/2018-August/msg00279.html.

AUTHORS
       Eric Blake

       Richard W.M. Jones

COPYRIGHT
       Copyright (C) 2018 Red Hat Inc.

LICENSE
       Redistribution and use in source	and binary forms, with or without
       modification, are permitted provided that the following conditions are
       met:

       o   Redistributions of source code must retain the above	copyright
	   notice, this	list of	conditions and the following disclaimer.

       o   Redistributions in binary form must reproduce the above copyright
	   notice, this	list of	conditions and the following disclaimer	in the
	   documentation and/or	other materials	provided with the
	   distribution.

       o   Neither the name of Red Hat nor the names of	its contributors may
	   be used to endorse or promote products derived from this software
	   without specific prior written permission.

       THIS SOFTWARE IS	PROVIDED BY RED	HAT AND	CONTRIBUTORS ''AS IS'' AND ANY
       EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
       IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
       PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR CONTRIBUTORS BE
       LIABLE FOR ANY DIRECT, INDIRECT,	INCIDENTAL, SPECIAL, EXEMPLARY,	OR
       CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
       SUBSTITUTE GOODS	OR SERVICES; LOSS OF USE, DATA,	OR PROFITS; OR
       BUSINESS	INTERRUPTION) HOWEVER CAUSED AND ON ANY	THEORY OF LIABILITY,
       WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
       OTHERWISE) ARISING IN ANY WAY OUT OF THE	USE OF THIS SOFTWARE, EVEN IF
       ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

nbdkit-1.20.4			  2021-09-21	   nbdkit-release-notes-1.6(1)

NAME | DESCRIPTION | SEE ALSO | AUTHORS | COPYRIGHT | LICENSE

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