I’m pleased to announce the next stable release of nbdkit.
NBD — Network Block Device — is a protocol for accessing Block Devices
(hard disks and disk-like things) over a Network. nbdkit is a toolkit
for creating NBD servers.
The key features are:
* Multithreaded NBD server written in C with good performance.
* Minimal dependencies for the basic server.
* Liberal license (BSD) allows nbdkit to be linked to proprietary
libraries or included in proprietary code.
* Well-documented, simple plugin API with a stable ABI guarantee.
Lets you export “unconventional” block devices easily.
* You can write plugins in C, Lua, Perl, Python, OCaml, Ruby,
[new!] shell script or Tcl.
* Filters can be stacked in front of plugins to transform the output.
Clone source: https://github.com/libguestfs/nbdkit
Download tarball: http://download.libguestfs.org/nbdkit/1.8-stable/
(other downloads: http://download.libguestfs.org/nbdkit/ )
New in this release:
- New plugin: ‘sh’ for running shell scripts and other external programs.
(https://rwmj.wordpress.com/2018/09/09/write-nbdkit-plugins-in-shell-script/)
- New plugin: ‘partitioning’ which creates a partitioned disk from a
list of partitions in files.
- New plugin: ‘iso’ which creates an ISO (CD-ROM) image on the fly
from a directory of files.
(https://rwmj.wordpress.com/2018/10/18/new-in-nbdkit-create-an-iso-image-on-the-fly/)
- New plugin: ‘floppy’ which creates a virtual FAT-formatted floppy
disk from a directory of files.
(https://rwmj.wordpress.com/2018/10/29/new-in-nbdkit-create-a-virtual-floppy-disk/)
- Magic config key allows simpler invocation of many plugins, eg:
nbdkit file file=foo
becomes:
nbdkit file foo
- data: Add disk2data.pl script to generate data parameters.
- data: Use ‘<file’ to inline a file.
- vddk: Use ‘-D vddk.diskinfo=1’ to enable extra debug information.
- tests: Use a helper function to refactor and simplify most tests.
- partition filter: Can handle > 128 GPT partitions.
- nbdkit can be compiled on the Haiku operating system
(François Revol).
- New nbdkit_parse_bool API for parsing boolean parameters (Eric Blake).
- log: Add logappend=[true|false] (Eric Blake).
- ocaml: New set_error and debug calls.
- Analyze code under AddressSanitizer and ThreadSanitizer and fix bugs
(Eric Blake).
- Analyze code under Coverity and fix bugs.
- Tests now run more quickly.
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
virt-top is 'top' for virtual machines. Tiny program with many
powerful monitoring features, net stats, disk stats, logging, etc.
http://people.redhat.com/~rjones/virt-top
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