nbdkit-release-notes-1.12(1) NBDKIT nbdkit-release-notes-1.12(1) NAME nbdkit-release-notes-1.12 - release notes for nbdkit 1.12 DESCRIPTION These are the release notes for nbdkit stable release 1.12. This describes the major changes since 1.10. nbdkit 1.12.0 was released on 10th April 2019. New features New nbdkit-ssh-plugin(1) which lets you turn any disk image on a remote Unix server accessible by ssh into an NBD source. New nbdkit-rate-filter(1) for bandwidth-limiting connections. Either sin- gle connections or the whole server can be bandwidth-limited, and the limit can be dynamically changed at runtime. New nbdkit-readahead-filter(1) improves performance when reading sequen- tially from plugins with a high request overhead like curl. New nbdkit-linuxdisk-plugin(1) lets you create complete ext2, ext3 or ext4 filesystems in a GPT partitioned disk image, from a local directory. This can be attached to existing Linux VMs or used to create new ones from scratch. New nbdkit-noextents-filter(1) can make sparse disks appear fully allo- cated. Plugins can now be written in the Rust programming language, see nbd- kit-rust-plugin(3). The old nbdkit-xz-plugin has been removed. Use nbdkit --filter=xz file file.xz as a replacement. This filter can be placed on top of other plugins such as curl (for decompressing a remote web URL). "NBD_CMD_BLOCK_STATUS" has been implemented allowing clients to query which parts of the disk are allocated, holes or zeroes. Plugins and filters have been extended to supply this information in many cases. This required adding minimal support for NBD protocol Structured Replies, "NBD_CMD_FLAG_REQ_ONE" and "NBD_CMD_FLAG_DF". (Thanks to Eric Blake for extensive help with this one.) nbdkit-vddk-plugin(1) has been updated to VDDK 6.7, but now also works back as far as VDDK 5.1.1. It supports extents, flush and FUA. Also added: new flags "single-link" and "unbuffered". (Thanks to Martin Kletzander). The line "All rights reserved." was removed from the license, with the agreement of all nbdkit contributors. Note this does not change the li- cense. "nbdkit_error" errors are printed in red when writing to the terminal, mak- ing them much easier to see. "nbdkit_parse_size" rejects negative values, eg. "nbdkit memory size=-100" (Nikolay Ivanets). nbdkit-curl-plugin(1) now supports cookies, password auth and proxies. It can also limit URLs to whitelisted protocols. This makes it broadly fea- ture equivalent to and a replacement for the qemu curl block driver. nbdkit-partitioning-plugin(1) can now create MBR logical partitions. Pre- viously it only supported 4 MBR primary partitions and if you wanted more than that you had to use GPT. nbdkit-partition-filter(1) also supports MBR logical partitions. nbdkit-python-plugin(3) creates plugins which are compatible with Python >= 3.7. Tests are now run under "MALLOC_CHECK_=1" and "MALLOC_PERTURB_=random". This causes some tests to crash (silently) because of a shutdown race which needs to be fixed. Test shell scripts now have a generic "requires" function to skip tests if features are not present. C99 type "bool" is now used in most places where appropriate. The protocol and connections code in the server has been split up because the single file had grown very large. (Thanks to Eric Blake for helping with protocol issues). SEE ALSO nbdkit(1), https://www.red- hat.com/archives/virt-tools-list/2019-April/msg00045.html. AUTHORS Eric Blake Richard W.M. Jones COPYRIGHT Copyright Red Hat LICENSE Redistribution and use in source and binary forms, with or without modifi- cation, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright no- tice, this list of conditions and the following disclaimer in the docu- mentation and/or other materials provided with the distribution. * 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 EX- PRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DIS- CLAIMED. IN NO EVENT SHALL RED HAT OR CONTRIBUTORS BE LIABLE FOR ANY DI- RECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SER- VICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABIL- ITY, 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 DAM- AGE. nbdkit-1.46.2 2026-08-30 nbdkit-release-notes-1.12(1)
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