Hi Matt,
On 11/25/2011 03:21 PM, Matt Hamilton wrote:
Thanks a lot Bogdan.
Is it possible to use another ds_select_dst in the failure_route to
redistribute failed node's calls to remaining Active nodes? Even if I
can do that, it has to be in the probing_mode=0, am I right? I assume
I can't "catch" the failure and manually adjust the destination in
probing_mode=1.
no, you cannot do that as ds_select_xxx() is all the time done over the
original set (like all destinations are active). So you cannot do a
dispatching only over the active ones - dispatcher will compute the
hash, it will identify the corresponding destination and, if failed, it
will shift to the next one.
Regards,
Bogdan
If I can use another ds_select_dst, can it be algorithm 7 with a
different PV in the failure_route?
Thanks,
Matt
------------------------------------------------------------------------
Date: Fri, 25 Nov 2011 13:17:08 +0200
From: [email protected]
To: [email protected]
CC: [email protected]
Subject: Re: [OpenSIPS-Users] hash and dispatcher on failover
Hi Matt,
If Asterisk 4 is down, the hash will not be recalculated, but the
calls that should go to Asterisk 4 will simply be pushed to the next
available entry in the dispatcher list.
Regards,
Bogdan
On 11/25/2011 07:58 AM, Matt Hamilton wrote:
I'm new to dispatcher - wanted to clarify couple of things...
I'm using algorithm 7 (hash over the content of PVs string) to
pick a destination.
modparam("dispatcher", "hash_pvar", "$pvar")
ds_select_dst("1", "7");
Let's say the probing_mode is 1, and based on the value of $pvar
(A, B, C, etc.), incoming requests are dispatched in the following
fashion:
A -> Asterisk1
B -> Asterisk1
C -> Asterisk2
D -> Asterisk3
E -> Asterisk4
F -> Asterisk4
What happens to E, F if Asterisk4 fails? Are they distributed
among the remaining servers or do they all go to the same server?
Do A, B, C, D still go to the same servers? In other words, is the
hash recalculated?
Can hash_pvar be changed; e.g. use $si for route[1], use $ci for
failure_route[1]?
Thanks,
Matt
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--
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
OpenSIPS solutions and "know-how"
--
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
OpenSIPS solutions and "know-how"
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