[Freeswitch-users] FreeSWITCH SBC Setup (HA mode)

[Avi Marcus]

Linode has some great guides for setting it up:
http://library.linode.com/linux-ha/

<http://library.linode.com/linux-ha/>I'm going with master-master mysql for
now because I don't want the second machine to be completely passive, I'd
like the ability to do something with it if I wished.
-Avi

On Thu, Dec 30, 2010 at 8:21 PM, Madovsky <infos at madovsky.org> wrote:

> it needs to compile the kernel with drbd module...
>
> ----- Original Message -----
> From: "Giovanni Maruzzelli" <gmaruzz at gmail.com>
> To: "FreeSWITCH Users Help" <freeswitch-users at lists.freeswitch.org>
> Sent: Thursday, December 30, 2010 1:00 PM
> Subject: Re: [Freeswitch-users] FreeSWITCH SBC Setup (HA mode)
>
>
> DRBD is a very interesting and very performing way to replicate a
> block device between two or more machine, usally in an active-passive
> way. And is very HA aware.
>
> In classic configuration, you have two machines that control each
> other state via heartbeat, and a floating IP address that is assigned
> to the "active" machine (in addition to the "real" IP address).
>
> The "active" machine is accessed from the HA application through the
> floating IP.
>
> The "passive" machine is there idle, but ready to take over in case
> the "active" goes down (for failure or maintenance). In that case the
> "passive" machine automatically becomes the "active", eg: gets the
> floating IP.
>
> The only drawback I can see in this setup (DRBD+nativesqlite instead
> of odbc) is that if the FS instance or the machine itself crashes very
> badly, maybe will trash the db, and because the sqlite db is
> replicated at filesystem level via DRDB to the other machine, you'll
> end up with a trashed sqlite db on the "new active" machine too.
>
> Having instead a logic SQL replica (mysql, postgres, whatever) between
> the two machines, spares you this possible point of failure.
>
> Also, if you use another heartbeat and another floating IP address
> dedicated to the odbc database access, you get HA database too
> (meaning: you can do an upgrade of the database engine on the "active"
> FS machine, because you moved only the floating IP of the dabase
> access to the other machine).
>
> -giovanni
>
> On Thu, Dec 30, 2010 at 6:07 PM, Sam <u2nsam at gmail.com> wrote:
> > Can use Sqlite replication in between 2 instances by sqlite3_update_hook.
> >
> > Regds
> > Sam
> >
> > On Thu, Dec 30, 2010 at 9:57 PM, Avi Marcus <Avi at amarcus.com> wrote:
> >>
> >> The other option for failover I was considering is the default sqlite -
> >> set up a job to rsync it to/from the slave constantly.
> >> Perhaps even throw that into a ramdisk, if that makes a difference (the
> >> kernal may be caching it anyway).
> >> -Avi
> >> On Thu, Dec 30, 2010 at 2:14 PM, Ghulam Mustafa <mustafa.pk at gmail.com>
> >> wrote:
> >>>
> >>> Hi everyone,
> >>> i am trying to setup FreeSWITCH as a SBC in ha mode; for this purpose i
> >>> have setup two FS boxes(identical) in HA mode using heartbeat, mysql as
> >>> odbc
> >>> backend and enabled track-calls in both sip profiles. Everything is
> >>> working
> >>> as expected i.e sip sessions successfully recovered during failover in
> >>> both
> >>> directions.
> >>> i am just curious and would like to know should i go for odbc or is it
> >>> possible to avoid odbc and use drbd for /opt/switch/db directory to
> keep
> >>> .db
> >>> files in sync between two fs boxes. is it likely to work?
> >>> another question is related to performance when track-calls is enabled,
> >>> we are supposed to handle ~300 sip concurrent calls around the clock in
> >>> proxy_media mode, coming from our sip provider (on external profile)
> and
> >>> forwarding to our call-center server (configured as internal sip
> >>> gateway),
> >>> we have plenty of good hardware (quad-core Xeon servers with 8Gigs
> ram),
> >>> is
> >>> it good to go :) or can raise alarms?
> >>>
> >>> Thanks and best regards,
> >>> --
> >>> Ghulam Mustafa
> >>> cell: +92 333.611.7681
> >>> sip: cyrenity at ekiga.net
> >>> mail: mustafa.pk at gmail.com
> >>> web: cyrenity.wordpress.com
> >>>
> >>> _______________________________________________
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> >>
> >>
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> >
> >
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>
>
>
> --
> Sincerely,
>
> Giovanni Maruzzelli
> Cell : +39-347-2665618
>
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