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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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kronosnet v1.20 released
by Fabio M. Di Nitto 19 Oct '20

19 Oct '20

All, We are pleased to announce the general availability of kronosnet v1.20 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 per link stats collection to be more consistent on RX/TX * Fix coverity scan build error * Remove some dead code * Minor improvements to 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://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.x series and future support / development
by Fabio M. Di Nitto 17 Aug '20

17 Aug '20

All, 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. After several weeks / months without any major bug reported, starting with v1.19 release, we are going to lock down the 1.x series to only 2 kind of changes: * Bug fixes * Onwire compatibility changes to allow rolling upgrades with the v2.x series (if necessary at all) Upstream will continue to support v1.x for at least 12 months after v2.x will be released (date unknown, no really, we didn't even start the development). If you have any amazing ideas on what v2.x should include, please file issues here: https://github.com/kronosnet/kronosnet/issues Or check the current TODO list here: https://trello.com/kronosnet Cheers, The knet developer team

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kronosnet v1.19 released
by Fabio M. Di Nitto 17 Aug '20

17 Aug '20

All, We are pleased to announce the general availability of kronosnet v1.19 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: * Add native support for openssl 3.0 (drop API COMPAT macros). * Code cleanup of public APIs. Lots of lines of code moved around, no functional changes. * Removed kronosnetd unsupported code completely * Removed unused poc-code from the source tree * Make sure to initialize epoll events structures 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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kronosnet v1.18 released
by Fabio M. Di Nitto 14 Jul '20

14 Jul '20

All, We are pleased to announce the general availability of kronosnet v1.18 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 libknet soname * Fix doxyxml build 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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kronosnet v1.17 released
by Fabio M. Di Nitto 14 Jul '20

14 Jul '20

All, We are pleased to announce the general availability of kronosnet v1.17 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: * Add ability to change crypto configuration at runtime without restarting knet and without packet drop * Add compatibility support for openssl 3.0 * Add functional testing framework and new test cases * Minor build fixes NOTE TO PACKAGERS: please be aware that the functional test suite adds a considerable amount of time to run via make check or make check-memcheck. This is expected, and it will increase further more as more tests will be added. 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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