NBD is a protocol for accessing block devices (hard disks and
disk-like things) over the 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 to export "unconventional" block devices easily.
* You can write plugins in C or many other languages.
* Filters can be stacked in front of plugins to transform the output.
'nbdkit' is a meta-package which pulls in the core server and a
useful subset of plugins and filters with minimal dependencies.
If you want just the server, install 'nbdkit-server'.
To develop plugins, install the 'nbdkit-devel' package and start by
reading the nbdkit(1) and nbdkit-plugin(3) manual pages.
* Sat Jul 05 2025 Richard W.M. Jones <rjones@redhat.com> - 1.38.5-12
- server: Fix .zero fallback path
resolves: RHEL-101635
* Mon Jun 23 2025 Richard W.M. Jones <rjones@redhat.com> - 1.38.5-11
- Add support for VDDK 9.0.0.0
resolves: RHEL-99466
* Mon Jun 09 2025 Richard W.M. Jones <rjones@redhat.com> - 1.38.5-10
- CVE-2025-47711 denial of service attack by client sending maximum size block
status
- CVE-2025-47712 denial of service attack by client sending large unaligned
size block status
resolves: RHEL-95814
* Sun Jun 08 2025 Richard W.M. Jones <rjones@redhat.com> - 1.38.5-9
- vddk: Improve statistics
related: RHEL-94823
* Thu Jun 05 2025 Richard W.M. Jones <rjones@redhat.com> - 1.38.5-8
- Log filename, offset and count in nbdkit-file-plugin error messages
resolves: RHEL-95363
* Mon Jun 02 2025 Richard W.M. Jones <rjones@redhat.com> - 1.38.5-7
- vddk: Pre-cache the extents for readonly connections
resolves: RHEL-94823
* Thu May 01 2025 Richard W.M. Jones <rjones@redhat.com> - 1.38.5-6
- Add extra system call checking and debugging to nbdkit-file-plugin
resolves: RHEL-85510
- Allow nbdkit-file-plugin to zero and trim block devices
resolves: RHEL-89353
* Mon Jan 06 2025 Richard W.M. Jones <rjones@redhat.com> - 1.38.5-2
- vddk: Avoid reading partial chunk beyond the end of the disk
resolves: RHEL-71694
* Sat Sep 28 2024 Richard W.M. Jones <rjones@redhat.com> - 1.38.5-1
- Rebase to 1.38.5 (along stable branch)
* Fri Jul 26 2024 Richard W.M. Jones <rjones@redhat.com> - 1.38.3-1
- Rebase to 1.38.3 (along stable branch)
- Send the last error to the NBD client
resolves: RHEL-50664
