Hi,
The port is correct. I am running MySQL on 3406. Will try to take tcpdum.
Regards,
Jayadevan


On Fri, Jun 14, 2013 at 3:43 PM, Willy Tarreau <[email protected]> wrote:

> Hi,
>
> On Fri, Jun 14, 2013 at 03:38:25PM +0530, Jayadevan M wrote:
> > Hi,
> >
> > I was trying to make HAProxy's mysql-check option work with the MySQL
> > Servers on Windows. HAProxy is on linux, MySQL on windows.There are 2
> MySQL
> > servers - Server1 and Server2. It was not working (HAProxy was always
> > marking the servers down). I tried changing one of the MySQL server
> entries
> > point to MySQL on a linux box and it was working. Won't HAProxy's
> > mysql-check work if the target MySQL is on windows? Output from a strace
> of
> > HAProxy -
> >
> > connect(5, {sa_family=AF_INET, sin_port=htons(3406),
> > sin_addr=inet_addr("192.168.8.37")}, 16) = -1 EINPROGRESS (Operation now
> in
> > progress)
> > sendto(5, "\16\0\0\1\0\200\0\0\1haproxy\0\0\1\0\0\0\1", 23,
> > MSG_DONTWAIT|MSG_NOSIGNAL, NULL, 0) = -1 EAGAIN (Resource temporarily
> > unavailable)
> >
> > connect(5, {sa_family=AF_INET, sin_port=htons(3306),
> > sin_addr=inet_addr("192.168.2.27")}, 16) = -1 EINPROGRESS (Operation now
> in
> > progress)
> > sendto(5, "\16\0\0\1\0\200\0\0\1haproxy\0\0\1\0\0\0\1", 23,
> > MSG_DONTWAIT|MSG_NOSIGNAL, NULL, 0) = 23
> >
> > 192.168.2.27 is linux and 192.168.8.37 windows. I am able to connect to
> the
> > MySQL server on windows, from mysql command line client on 192.168.2.27.
> So
> > it is not a port blocked issue.
>
> But from what I understand, it means that the windows server is not
> responding
> to the connection request. I don't know if this is intentional or a
> mistake,
> but the port is different on your windows config (3406). Could you check
> with telnet from the haproxy host that the connection establishes on this
> port :
>
>   # telnet 192.168.8.37 3406
>
> That way we'll be sure that the same parameters are used. Also, it would
> be nice
> to take a tcpdump capture from the haproxy machine, maybe it will reveal
> why
> this does not work.
>
> Regards,
> Willy
>
>

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