On Wed, Aug 20, 2008 at 10:35:21AM -0400, Nicholas Guarracino wrote: > On Tue, Aug 19, 2008 at 9:28 PM, Simon Horman <[EMAIL PROTECTED]> wrote:
<snip> > > If so, the key to persistence working is the persistence template. > > It is an entry that goes into the connection table with 0 as the from-port > > and acts as a parent entry for other connections from the same > > host/netmask - I won't attempt to fail to explain that relationship > > yet another time. > > > > You should see these templates being synchronised to the backup > > director like any other connection. And you should be able to verify > > this using either ipvsadm -Lcn or cat /proc/net/ip_vs_conn > > > > Can you verify that this is the case? > > Could you look at the timeouts for the templates? > > Yes, the templates are being synchronized. > On the director: > TCP 00:51 NONE 159.63.77.32:0 10.204.54.170:443 10.204.54.165:443 > TCP 00:54 NONE 159.63.77.16:0 10.204.54.170:443 10.204.54.166:443 > > On the backup director: > TCP 02:51 NONE 159.63.77.32:0 10.204.54.170:443 10.204.54.165:443 > TCP 02:54 NONE 159.63.77.16:0 10.204.54.170:443 10.204.54.166:443 > > > I suspect that the problem is that the problem is that when > > templates are synchronised their timeout is not synchronised. > > Instead, at the other end it is set to 3 minutes. So perhaps they > > are timing out and disapearing premeturely? > > > > I'm looking at the bottom of ip_vs_process_message() in > > net/ipv4/ipvs/ip_vs_sync.c in 2.6.27-rc2 > > > > Actually, I think that this works a little differently in 2.6.18, > > but the affect seems to be much the same according to a quick > > test that I ran. > > > > Clearly this is not ideal, and it would be nice to fix. > > But does it explain your problem? > > I'm not sure. My timeout is only 1 minute but it does look like when > the template gets synchronized to the backup director the timeout > becomes 3 minutes. That would be the opposite situation from what you > described though, wouldn't it? Yes, I would imagine so. I wonder if for some reason the templates on the backup aren't being used. _______________________________________________ LinuxVirtualServer.org mailing list - [email protected] Send requests to [EMAIL PROTECTED] or go to http://lists.graemef.net/mailman/listinfo/lvs-users
