I am pleased to announce the fourth testing (Alpha 4) release of Corosync 3.0 (codename Camelback) available immediately from our website at
http://build.clusterlabs.org/corosync/releases/ as corosync-2.99.3.

You can also download RPMs for various distributions from CI https://kronosnet.org/builds/.

This release is quite small so it's probably last Alpha and next release is probably going to be Beta or RC.

One of the biggest feature is better handling for ifdown with UDPU transport (knet handles ifdown without any problem since Alpha 1). This doesn't mean simulating cluster failure by using ifdown is supported or recommended! (simply because it exercises different code path than real failure).


Complete changelog for Alpha 4 (compared to Alpha 3):
Bin Liu (1):
      totemudpu: Add local loop support

Christine Caulfield (5):
      knet: Fix knet log buffer size
      knet: Don't try to create loopback interface twice
      totemconfig: Check for things that cannot be changed on the fly
      config: Enforce use of 'name' node attribute in multi-link clusters
      config: Fail config validation if not all nodes have all links

Jan Friesse (4):
      upstart: Remove notifyd upstart unit
      init: Use existing env variable from sysconf
      Fix snprintf warnings
      totemudpu: Pass correct paramto totemip_nosigpipe


We did our best to test this release as best as we could, but still take it as an Alpha version .

For anybody who migrates from stable version please consult http://people.redhat.com/ccaulfie/docs/KnetCorosync.pdf about changes in Corosync 3.

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