Thanks for the hint, we are doing this with SIP SRV records already. Concerning pause: There is a command to pause the media on a given channel. Is there another command to stop FS responding on requests? Best regards Peter Michael Jerris schrieb:
How are your endpoints pointing to the 2 boxes? Using dns srv records. I think the cleanest way is to change the srv records, do a "pause" on freeswitch 1, wait for all calls and registrations to fall off of box 1, all new registrations and calls will then be to box 2, once it is clear you can take box 1 down for maint.
Mike
On Nov 20, 2008, at 12:23 PM, Peter P GMX wrote:
Thanks, David,
here are my coments:
(a) can you not do something where you deregister them one at a time,
or in batches, on FS1
while registering them on FS2?
A batch is a good method, and reduces the downtime of course
(b) use method 1, but set a short period for re-registration initially,
and then increase it once FS1's
taken down?
another good method, but forced to re-register all 5000 gateways, this produces a high load, and anyway FS is spreading re-registers over the expires time period (by trying out, this deos not seem to be documented somewhere?).
<(c) use method 1, but take FS1 off the network before taking it down (e.g. ifdown eth0, route delete default..?)
so that its unregistration attempts don't reach the gateways?
This will drop existing calls. We thought about adding another firewall rule, but we would like to keep it simple and stable in a production environment.
Best regards Peter
David Knell schrieb:
Hi Peter,
A quick brainstorm:- (a) can you not do something where you deregister them one at a time, or in batches, on FS1 while registering them on FS2? (b) use method 1, but set a short period for re-registration initially, and then increase it once FS1's taken down? (c) use method 1, but take FS1 off the network before taking it down (e.g. ifdown eth0, route delete default..?) so that its unregistration attempts don't reach the gateways?
Cheers --
Dave
I have the following scenario for a 2-server FS system with failover functionality:
* I have a number of Gateways registered at FS1 * I have another number of Gateways registered at FS2 * In case I want to do maintenance on FS1 I would like all external gateways to be registered on FS2 and then shutdown FS1 * This is not of a problem if I have only a handful of gateways, but in our case they're about 10.000 * The goal is to minimze downtime, when I migrate e.g. 5000 gateways from FS1 to FS2
* 1st method: The normal way would be to register (via xml-rpc or socket) the new Gateway on FS2 and then deregister it on FS1. FS1 sends an unregister (register with expires=0) to the gateway though (after the register from FS2), so this Gateway unfortunately no longer sends calls to any of the 2 FS. * 2nd method: The other way is to deregister them first on FS1 and then register them all on FS2. Because deregistering and registering takes time with ~5000 Gateways (+ we have to ensure that the new register has to take place after unregister), this results in a significant downtime.
So my question: Is there any way to suppress deregister messages to the gateway?
Best regards Peter ------------------------------------------------------------------------
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