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Time to open the AI policy pandora´s box
by Fabio M. Di Nitto 10 Jun '25

10 Jun '25

All, sooner or later we will face the issue, might as well start talking about it now. I am not planning to start any technical discussion here about models, or prompts or tools. This is strictly about the legal aspects of AI. If you have the urge to discuss tools, please do so in another thread :) The HA projects are currently lacking a policy/policies to deal with AI related code submission. It is my understanding that a lack of guidelines, implicitly allows people to submit contributions generated by AI. I started drafting a rather conservative doc here: https://github.com/ClusterLabs/ai-policies with the goals of all projects under the ClusterLabs/Corosync/Kronosnet umbrellas to use a common set of rules by adopting the ClusterLab/ai-policies, and to work over time to expand the policy to allow AI usage for safe use cases. Please submit comments, ideas, etc. on github directly. I have added only a subset of contributors to ai-policies, please let me know if you would like to be involved. The list of people submitting code/patches to all projects, on a regular base, is rather large and I am sure I am going to miss someone anyway :) Cheers Fabio

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kronosnet v1.31 released
by Fabio M. Di Nitto 24 Apr '25

24 Apr '25

All, We are pleased to announce the general availability of kronosnet v1.31 kronosnet (or knet for short) is the new underlying network protocol for Linux HA components (corosync), that features the ability to use multiple links between nodes, active/active and active/passive link failover policies, automatic link recovery, FIPS compliant encryption (nss and/or openssl), automatic PMTUd and in general better performance compared to the old network protocol. Highlights in this release: * Fixed incorrect lzo1x_decompress call to use the safe version * Udp: lower log levels for messages triggered by every single packets to trace level. Known issues in this release: * None The source tarballs can be downloaded here: https://www.kronosnet.org/releases/ Upstream resources and contacts: https://kronosnet.org/ https://github.com/kronosnet/kronosnet/ https://ci.kronosnet.org/ https://projects.clusterlabs.org/project/board/86/ (TODO list and activities tracking) https://goo.gl/9ZvkLS (google shared drive with presentations and diagrams) IRC: #kronosnet on Libera https://lists.kronosnet.org/mailman3/postorius/lists/users.lists.kronosnet.… https://lists.kronosnet.org/mailman3/postorius/lists/devel.lists.kronosnet.… https://lists.kronosnet.org/mailman3/postorius/lists/commits.lists.kronosne… Cheers, The knet developer team

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kronosnet v1.30 released
by Fabio M. Di Nitto 02 Dec '24

02 Dec '24

All, We are pleased to announce the general availability of kronosnet v1.30 kronosnet (or knet for short) is the new underlying network protocol for Linux HA components (corosync), that features the ability to use multiple links between nodes, active/active and active/passive link failover policies, automatic link recovery, FIPS compliant encryption (nss and/or openssl), automatic PMTUd and in general better performance compared to the old network protocol. Highlights in this release: * Convert time_t to unsigned long long before formatting * Add warning when packets are being received from the wrong interface Known issues in this release: * None The source tarballs can be downloaded here: https://www.kronosnet.org/releases/ Upstream resources and contacts: https://kronosnet.org/ https://github.com/kronosnet/kronosnet/ https://ci.kronosnet.org/ https://projects.clusterlabs.org/project/board/86/ (TODO list and activities tracking) https://goo.gl/9ZvkLS (google shared drive with presentations and diagrams) IRC: #kronosnet on Libera https://lists.kronosnet.org/mailman3/postorius/lists/users.lists.kronosnet.… https://lists.kronosnet.org/mailman3/postorius/lists/devel.lists.kronosnet.… https://lists.kronosnet.org/mailman3/postorius/lists/commits.lists.kronosne… Cheers, The knet developer team

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kronosnet v1.29 released
by Fabio M. Di Nitto 06 Jun '24

06 Jun '24

All, We are pleased to announce the general availability of kronosnet v1.29 kronosnet (or knet for short) is the new underlying network protocol for Linux HA components (corosync), that features the ability to use multiple links between nodes, active/active and active/passive link failover policies, automatic link recovery, FIPS compliant encryption (nss and/or openssl), automatic PMTUd and in general better performance compared to the old network protocol. Highlights in this release: * Fix build on armhf * update to latest doxyxml from libqb * Fix FORTIFY source detection * Fix potential overflow in the test suite Known issues in this release: * None The source tarballs can be downloaded here: https://www.kronosnet.org/releases/ Upstream resources and contacts: https://kronosnet.org/ https://github.com/kronosnet/kronosnet/ https://ci.kronosnet.org/ https://projects.clusterlabs.org/project/board/86/ (TODO list and activities tracking) https://goo.gl/9ZvkLS (google shared drive with presentations and diagrams) IRC: #kronosnet on Libera https://lists.kronosnet.org/mailman3/postorius/lists/users.lists.kronosnet.… https://lists.kronosnet.org/mailman3/postorius/lists/devel.lists.kronosnet.… https://lists.kronosnet.org/mailman3/postorius/lists/commits.lists.kronosne… Cheers, The knet developer team

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kronosnet v1.28 released
by Fabio M. Di Nitto 27 Sep '23

27 Sep '23

All, We are pleased to announce the general availability of kronosnet v1.28 kronosnet (or knet for short) is the new underlying network protocol for Linux HA components (corosync), that features the ability to use multiple links between nodes, active/active and active/passive link failover policies, automatic link recovery, FIPS compliant encryption (nss and/or openssl), automatic PMTUd and in general better performance compared to the old network protocol. Highlights in this release: * Fix build on i686 Known issues in this release: * none The source tarballs can be downloaded here: https://www.kronosnet.org/releases/ Upstream resources and contacts: https://kronosnet.org/ https://github.com/kronosnet/kronosnet/ https://ci.kronosnet.org/ https://projects.clusterlabs.org/project/board/86/ (TODO list and activities tracking) https://goo.gl/9ZvkLS (google shared drive with presentations and diagrams) IRC: #kronosnet on Libera https://lists.kronosnet.org/mailman3/postorius/lists/users.lists.kronosnet.… https://lists.kronosnet.org/mailman3/postorius/lists/devel.lists.kronosnet.… https://lists.kronosnet.org/mailman3/postorius/lists/commits.lists.kronosne… Cheers, The knet developer team

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kronosnet v1.27 released
by Fabio M. Di Nitto 26 Sep '23

26 Sep '23

All, We are pleased to announce the general availability of kronosnet v1.27 kronosnet (or knet for short) is the new underlying network protocol for Linux HA components (corosync), that features the ability to use multiple links between nodes, active/active and active/passive link failover policies, automatic link recovery, FIPS compliant encryption (nss and/or openssl), automatic PMTUd and in general better performance compared to the old network protocol. Highlights in this release: * Fix potential startup race condition (corosync use case) * Fix crypto config check * Minor API cleanup * Test suite fixes Known issues in this release: * none The source tarballs can be downloaded here: https://www.kronosnet.org/releases/ Upstream resources and contacts: https://kronosnet.org/ https://github.com/kronosnet/kronosnet/ https://ci.kronosnet.org/ https://projects.clusterlabs.org/project/board/86/ (TODO list and activities tracking) https://goo.gl/9ZvkLS (google shared drive with presentations and diagrams) IRC: #kronosnet on Libera https://lists.kronosnet.org/mailman3/postorius/lists/users.lists.kronosnet.… https://lists.kronosnet.org/mailman3/postorius/lists/devel.lists.kronosnet.… https://lists.kronosnet.org/mailman3/postorius/lists/commits.lists.kronosne… Cheers, The knet developer team

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kronosnet v1.26 released
by Fabio M. Di Nitto 10 Jul '23

10 Jul '23

All, We are pleased to announce the general availability of kronosnet v1.26 kronosnet (or knet for short) is the new underlying network protocol for Linux HA components (corosync), that features the ability to use multiple links between nodes, active/active and active/passive link failover policies, automatic link recovery, FIPS compliant encryption (nss and/or openssl), automatic PMTUd and in general better performance compared to the old network protocol. Highlights in this release: * Tx performance improvements by removing unnecessary and expensive memsets * Add log TRACE facility and drop build time logging configuration * Specfile: migrate to SPDX licence format * Fix few minor build issues with the test suite Known issues in this release: * None The source tarballs can be downloaded here: https://www.kronosnet.org/releases/ Upstream resources and contacts: https://kronosnet.org/ https://github.com/kronosnet/kronosnet/ https://ci.kronosnet.org/ https://projects.clusterlabs.org/project/board/86/ (TODO list and activities tracking) https://goo.gl/9ZvkLS (google shared drive with presentations and diagrams) IRC: #kronosnet on Libera https://lists.kronosnet.org/mailman3/postorius/lists/users.lists.kronosnet.… https://lists.kronosnet.org/mailman3/postorius/lists/devel.lists.kronosnet.… https://lists.kronosnet.org/mailman3/postorius/lists/commits.lists.kronosne… Cheers, The knet developer team

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kronosnet v1.22 released
by Fabio M. Di Nitto 30 Aug '21

30 Aug '21

All, We are pleased to announce the general availability of kronosnet v1.22. *** This release includes several MAJOR bug fixes and we strongly encourage everyone to update as soon as possible *** kronosnet (or knet for short) is the new underlying network protocol for Linux HA components (corosync), that features the ability to use multiple links between nodes, active/active and active/passive link failover policies, automatic link recovery, FIPS compliant encryption (nss and/or openssl), automatic PMTUd and in general better performance compared to the old network protocol. Highlights in this release: * Fix incorrect defrag buffer index that can cause knet to stop processing all traffic under some extreme network conditions (random latency). * Increase defrag buffer size to better deal with extreme network conditions as above. * Do not leak resources if link configuration fails * Major rework of ACL code to match API vs implementation. * Detect incorrect link configuration when mixing static and dynamic links * Fix knet_send_sync API to require a destination filter * Fix knet sockaddr_storage size across the board to deal with newly introduced checks on FreeBSD * Minor docs updates * Major internal test suite fixes Known issues in this release: * Preparation for this release spotted a long standing issue with SCTP transport used in combination with dynamic links. This specific issue has been in the code since SCTP has been introduced. It will be addressed in one of the upcoming releases. The problem does NOT affect the corosync / High Availability use case. The source tarballs can be downloaded here: https://www.kronosnet.org/releases/ Upstream resources and contacts: https://kronosnet.org/ https://github.com/kronosnet/kronosnet/ https://ci.kronosnet.org/ https://trello.com/kronosnet (TODO list and activities tracking) https://goo.gl/9ZvkLS (google shared drive with presentations and diagrams) IRC: #kronosnet on Freenode https://lists.kronosnet.org/mailman/listinfo/users https://lists.kronosnet.org/mailman/listinfo/devel https://lists.kronosnet.org/mailman/listinfo/commits Cheers, The knet developer team

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kronosnet v1.21 released
by Fabio M. Di Nitto 28 Apr '21

28 Apr '21

All, We are pleased to announce the general availability of kronosnet v1.21 kronosnet (or knet for short) is the new underlying network protocol for Linux HA components (corosync), that features the ability to use multiple links between nodes, active/active and active/passive link failover policies, automatic link recovery, FIPS compliant encryption (nss and/or openssl), automatic PMTUd and in general better performance compared to the old network protocol. Highlights in this release: * Update to openssl 3.0alpha13 * Drop -rpath usage from libknet * Various libnozzle fixes * API: validate handles for public api calls to avoid crashes * Update FreeBSD documentation section * Test suite improvements to speed up testing Known issues in this release: * None The source tarballs can be downloaded here: https://www.kronosnet.org/releases/ Upstream resources and contacts: https://kronosnet.org/ https://github.com/kronosnet/kronosnet/ https://ci.kronosnet.org/ https://trello.com/kronosnet (TODO list and activities tracking) https://goo.gl/9ZvkLS (google shared drive with presentations and diagrams) IRC: #kronosnet on Freenode https://lists.kronosnet.org/mailman/listinfo/users https://lists.kronosnet.org/mailman/listinfo/devel https://lists.kronosnet.org/mailman/listinfo/commits Cheers, The knet developer team

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Old pcs-0.9.167 package with newer corosync-3.1 and pacemaker-2.1 on RHEL 7.7
by RUGINA Szabolcs-Gavril 03 Feb '21

03 Feb '21

Hi folks, Thank you for your time and patience. Can anybody help us to find an alternative for "pcs property set" when using the old pcs and the new corosync and pacemaker packages as is written in subject? Unfortunately I don't see on Jenkins an updated version for pcs for RHEL 7.7/7.9 just for RHEL 8. We are in the middle of a high pressure because some problems with RHEL HA Cluster/Corosync+Pacemaker/DRBD and we arrived at the point that we upgraded corosync and pacemaker but then our setup gives errors with the command "pcs property set no-quorum-policy=stop". The error is: No such file or directory', 'command': '/usr/libexec/pacemaker/pengine metadata' Indeed /usr/libexec/pacemaker/pengine does not exists, I assume it is OK, because in the new pacemaker 3.1 the internal structure was changed.. However, can you give me an alternative to set that property in this combination of software? Thank you! _______________________________________________________ Szabolcs-Gavril Rugina Development Information Technologies 1 / Software Engineer FREQUENTIS ROMÂNIA SRL Str. Taietura Turcului, Nr. 47, 400221, Cluj-Napoca, Romania Phone +43-1-81150-7511 Mobile +40-771-483274 Web http://www.frequentis.ro E-Mail szabolcs.rugina(a)frequentis.com<mailto:szabolcs.rugina@frequentis.com> Nr. O.R.C./an: J12/957/2009 CUI: RO 25475641 _______________________________________________________

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