[pve-devel] [PATCH] bump to 0.8.2

Nicola Banterle nicola.banterle at gmail.com
Mon Jul 14 16:57:09 CEST 2014


Corosync with sheepdog has 2 major problem :
 - corosync is limited to a "small" numbers of nodes ( technically not a
problem, on "small" clusters )
 - under heavy load,  network fragmentation will appear

The problems and the descriptions are on the sheepdog mailing lists.

Thanks for the hard work!


2014-07-14 13:02 GMT+02:00 Alexandre DERUMIER <aderumier at odiso.com>:

> >> also add zookeeper support
>
> >>I wonder why we need that? I found this at
> https://github.com/sheepdog/sheepdog/wiki/Cluster-Management-Backends-and-dual-NIC
> :
>
> I just add support to zooker because some user request it. (So, it they
> want to manually enable it, they can, without need to recompile
> pve-sheepdog)
>
> >>> Corosync is not recommended for production use as the method used for
> synchronization is susceptible to packet loss under load. For reliable
> operation, zookeeper is highly recommended.
> >
> >But this looks like total nonsense to me?!
>
> I think that it make sense if you want to manage big cluster, as corosync
> is limited to around 16 nodes.
>
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