From gorlichenko_uv@inbox.ru Wed Dec  6 09:06:43 2017
From:
 =?utf-8?b?0K7RgNC40Lkg0JPQvtGA0LvQuNGH0LXQvdC60L4=?= <gorlichenko_uv@inbox.ru>
To: sr-users@lists.kamailio.org
Subject: Re: [SR-Users] redis via haproxy
Date: Wed, 06 Dec 2017 11:06:35 +0300
Message-ID: <1512547595.816228734@f379.i.mail.ru>
In-Reply-To:
 <CAPXdxKjuhyVDi0A2F+HhUw--M-7Ykd739EFkpR+yTneP2Vcs4A@mail.gmail.com>
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Hi try first to use single redis for make sure that it is not a ha proxy trou=
ble.

If error still exists - try to collect debug information.=20
>=D0=A1=D1=80=D0=B5=D0=B4=D0=B0,  6 =D0=B4=D0=B5=D0=BA=D0=B0=D0=B1=D1=80=D1=
=8F 2017, 10:53 +03:00 =D0=BE=D1=82 Aidar Kamalov <aidar.kamalov(a)gmail.com>:
>
>Hello,
>
>Kamailio after restart(or start) sometimes can't connect to redis (via hapro=
xy) with logs:
>
>Dec=C2=A0 6 07:29:30 siptest /usr/sbin/kamailio[47291]: NOTICE: <script>: RO=
OT: KDMQ usrloc [ 764c076919c73540-39925(a)192.168.150.225 ]
>Dec=C2=A0 6 07:29:31 siptest /usr/sbin/kamailio[47263]: NOTICE: <script>: RO=
OT: OPTIONS <null> [ 0b4dc11225a6fc77294de97578061844(a)192.168.150.231:5060 ]
>Dec=C2=A0 6 07:29:31 siptest /usr/sbin/kamailio[47269]: ERROR: ndb_redis [re=
dis_client.c:130]: redisc_init(): error communicating with redis server [redi=
s] ( 127.0.0.1:6380/0 ): Resource temporarily unavailable
>Dec=C2=A0 6 07:29:31 siptest /usr/sbin/kamailio[47269]: ERROR: ndb_redis [nd=
b_redis_mod.c:122]: child_init(): failed to initialize redis connections
>Dec=C2=A0 6 07:29:31 siptest /usr/sbin/kamailio[47269]: ERROR: <core> [core/=
sr_module.c:923]: init_mod_child(): Error while initializing module ndb_redis=
 (/usr/lib64/kamailio/modules/ndb_redis.so)
>Dec=C2=A0 6 07:29:31 siptest /usr/sbin/kamailio[47269]: ERROR: <core> [core/=
pt.c:334]: fork_process(): init_child failed for process 5, pid 47269, "udp r=
eceiver child=3D4 sock=3D 192.168.8.213:5060 "
>Dec=C2=A0 6 07:29:31 siptest /usr/sbin/kamailio[47269]: CRITICAL: <core> [ma=
in.c:1611]: main_loop(): Cannot fork
>Dec=C2=A0 6 07:29:31 siptest /usr/sbin/kamailio[47252]: ALERT: <core> [main.=
c:740]: handle_sigs(): child process 47269 exited normally, status=3D255
>Dec=C2=A0 6 07:29:31 siptest /usr/sbin/kamailio[47362]: CRITICAL: <core> [co=
re/pass_fd.c:277]: receive_fd(): EOF on 13
>
>Redis and haproxy working fine (I test it by many attepts - echo ping|ncat l=
ocalhost 6380)
>
>At tcpdump all attemps from kamailio have:
>*1
>$4
>PING
>+PONG
>*2
>$6
>SELECT
>$1
>0
>+OK
>
>
>my kamailio 5.0.4 config:
>modparam("ndb_redis", "server", "name=3Dredis;addr=3D127.0.0.1;port=3D6380")
>
>my haproxy 1.5 config:
>backend bk_redis
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 mode tcp
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 option tcp-check
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 tcp-check connect
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 tcp-check send PING\r\n
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 tcp-check expect string +PONG
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 tcp-check send QUIT\r\n
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 tcp-check expect string +OK
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 server sipkazan  192.168.107.195:6379 check inte=
r 1s
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 server local  127.0.0.1:6379 check inter 1s back=
up
>
>
>--=20
>Aydar A. Kamalov
>_______________________________________________
>Kamailio (SER) - Users Mailing List
>sr-users(a)lists.kamailio.org
>https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users






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