[Spread-users] Issue with Spread going silent
jschultz at spreadconcepts.com
Sun Nov 7 08:26:38 EST 2010
From my read of it, it looks like the daemons are repeatedly trying to establish a membership and failing. The membership states of the daemons continually fluctuate between (2, 4, 5, 6) => (Segment, Gather, Form, EVS). This would cause the daemons to appear to freeze from the point of view of clients too.
So, my guess would be that there is very bad loss between the 3rd node and the others for some reason.
John Lane Schultz
Spread Concepts LLC
Phn: 301 830 8100
Cell: 443 838 2200
On Nov 7, 2010, at 7:44 AM, Yair Amir wrote:
If you can, please e-mail a monitor report that lasts for two minutes or so,
so that we can see several (10 or so) reports from each daemon such that
after a while you add the third machine and then it continues for a while
so that we can see several reports after you added the third machine.
On 11/7/10 7:36 AM, Luke Marsden wrote:
> Hi all,
> To pin this down as a potential FreeBSD 8.1 issue, I have now
> demonstrated that Spread 4.1.0 works fine on Debian 5.0 in the same
> network infrastructure (with multiple Spread segments, one for each
> public IP).
> I will now test it on FreeBSD 8.0 to see if it was some change in
> FreeBSD 8.1 which is subtly interacting with Spread to cause this
> "self-destruct-on-new-join" behaviour.
> If so, would anyone be able to help me create a patch to Spread which
> fixes it? I know precious little about Spread's internal protocol.
> Full verbosity failure logs coming later, which we can hopefully compare
> to the successful Debian run to figure out where it's going wrong!
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