[ClusterLabs] [corosync] Master branch
jfriesse at redhat.com
Wed Oct 12 02:22:25 EDT 2016
> I've just committed a bit patch to the master branch of corosync - it is
> now all very experimental, and existing pull requests against master
> might need to be checked. This starts the work on what will hopefully
Thanks Chrissie, nice work.
I must highlight "it is now all very experimental". Of course we will be
more than happy for feedback/bug reports (like
https://github.com/corosync/corosync/issues/158) but if you want
something working and tested use "needle" branch/official releases.
> become corosync 3.0
> The commit is to make Kronosnet the new, default, transport for
> corosync. It might take a while to get this fully stabilised but I've
> been running it myself for a while now and it seems pretty reliable.
> Here are the commit notes:
> totem: Add Kronosnet transport.
> This is a big update that removes RRP & MRP from the codebase
> and makes knet the default transport for corosync. UDP & UDPU
> are still (currently) supported but are deprecated. Also crypto
> and mutiple interfaces are only supported over knet.
> To compile this codebase you will need to install libknet from
> The corosync.conf(5) man page has been updated with info on the new
> options. Older config files should still work but many options
> have changed because of the knet implementation so configs should
> be checked carefully. In particular any cluster using using RRP
> over UDP or UDPU will not start as RRP is no longer present. If you
> need multiple interface support then you should be using the knet
> Knet brings many benefits to the corosync codebase, it provides support
> for more interfaces than RRP (up to 8), will be more reliable in the
> of network outages and allows dynamic reconfiguration of interfaces.
> It also fixes the ifup/ifdown and 127.0.0.1 binding problems that have
> plagued corosync/openais from day 1
> Signed-off-by: Christine Caulfield <ccaulfie at redhat.com>
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