unavailable database makes freeradius 3.0.9 server unresponsive

[Alan DeKok]

On Jul 27, 2015, at 11:06 AM, Michal Tomaszewski <Michal.Tomaszewski at cca.pl> wrote:
> When database is going down server hangs on first processed request and stops processing any further requests.
> There is no connection timeout nor any other timeout to database request.

  That may happen, especially when the client library for the back-end database locks.

> In freeradius 2.x when database was not available server responded with Reject until database was on.
> In freeradius 3.0.9 server stops responding to any requests, even when database comes up.

  Hmm... that's bad.

> Fri Jul 24 17:44:34 2015 : Debug: rlm_redis (redis): Reconnecting (3)
> 
> Fri Jul 24 17:44:34 2015 : Error: rlm_redis (redis): Problems with redisConnect('10.113.13.245', 6379), Connection refused

  That's the problem code.  It's something Arran changed recently...

  Alan DeKok.