Re: [ClusterLabs] Corosync 2.4.0 is available at corosync.org!

[Jan Friesse]

Ferenc Wágner napsal(a):

Jan Friesse  writes:


Jan Friesse  writes:


Please note that because of required changes in votequorum,
libvotequorum is no longer binary compatible. This is reason for
version bump.


Er, what version bump?  Corosync 2.4.1 still produces
libvotequorum.so.7.0.0 for me, just like Corosync 2.3.6.


Yep, you are right. Thanks for notice, this is something what should
have happened.


Thanks for confirming.


Anyway, 2.3.6 and 2.4.x votequorum are incompatible (there were both
API and ABI changes). Probably something to fix in 2.4.2.


Have you got any plans/timeline for 2.4.2 yet?


Yep, I'm going to release it in few minutes/hours.



Anyway, we're packaging 2.4.1 for Debian now, shall we ship it with

-7.0.0
+8.0.0

in lib/libvotequorum.verso?




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Re: [ClusterLabs] Corosync 2.4.0 is available at corosync.org!

[Ferenc Wágner]

Jan Friesse  writes:

> Please note that because of required changes in votequorum,
> libvotequorum is no longer binary compatible. This is reason for
> version bump.

Er, what version bump?  Corosync 2.4.1 still produces
libvotequorum.so.7.0.0 for me, just like Corosync 2.3.6.
-- 
Thanks,
Feri

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Re: [ClusterLabs] Corosync 2.4.0 is available at corosync.org!

[Tomas Jelinek]

Dne 30.6.2016 v 18:31 Digimer napsal(a):

On 30/06/16 12:28 PM, Jan Friesse wrote:

I am pleased to announce the latest release of Corosync
2.4.0 available immediately from our website at
http://build.clusterlabs.org/corosync/releases/.

This release is mostly about long awaited QDevice feature and few rather
small fixes.


Woot! :D


Pcs CLI supports Qdevice starting upstream version pcs-0.9.153 which is 
available as of now.





Qdevice is complete rewrite of old cman qdisk using network arbiter
(instead of disk) so it's very similar to Linux HA quorum daemon/HP
Serviceguard Quorum Server/...

Qdevice currently consists of two daemons:

- corosync-qdevice is a daemon running on each node of a cluster. It
provides a configured number of votes to the quorum subsystem based  on
a third-party arbitrator’s decision. Its primary use is to allow a
cluster to sustain more node failures than standard quorum rules allow.
It is recommended  for  clusters  with an even number of nodes and
highly recommended for 2 node clusters.

- corosync-qnetd is a daemon running outside of the cluster with the
purpose of providing a vote to the  corosync-qdevice model net. It’s
designed to support multiple clusters and be almost configuration and
state free. New clusters are handled dynamically and  no  configuration
file exists. It’s also able to run as non-root user - which is
recommended. Connection between the corosync-qdevice model net client
can be optionally configured with TLS client certificate checking. The
communication protocol between server and client is designed to be very
simple and allow backwards compatibility.

To compile corosync-qdevice/corosync-qnetd, configure.sh has to be
invoked with --enable-qdevices/--enable-qnetd switches.

To find out how to configure qdevice/qnetd take a look to man pages
corosync-qdevice (8) and corosync-qnetd (8).

Please note that because of required changes in votequorum,
libvotequorum is no longer binary compatible. This is reason for version
bump.

Starting with this release 2.3 branch becomes unsupported and officially
supported Needle is 2.4 branch. Just a note, this doesn't affect support
of Flatiron where nothing changes and 1.4 branch is still supported.

Changelog for fixes for 2.4.0 (qdevices commits not included):

Ferenc Wágner (8):
   cmap_track_add.3.in: fix typo: bellow -> below
   Fix typo: funtion -> function
   Fix typo: interger -> integer
   Fix typo: Uknown -> Unknown
   Fix typo: aquire -> acquire
   Fix typo: retrive -> retrieve
   Fix typo: alocated -> allocated
   Fix typo: Diabled -> disabled

Jan Friesse (1):
   config: get_cluster_mcast_addr error is not fatal

bliu (1):
   low:typo fix in sam.h

Upgrade is (more than usually) highly recommended.

Thanks/congratulations to all people that contributed to achieve this
great milestone.


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