[mpich-discuss] start MPD daemons on 2 different subnets

[Dave Goodell]

Use hydra instead of MPD:

http://wiki.mpich.org/mpich/index.php/FAQ#Q:_I_don.27t_like_.3CWHATEVER.3E_about_mpd.2C_or_I.27m_having_a_problem_with_mpdboot.2C_can_you_fix_it.3F

-Dave

On Jan 11, 2013, at 12:55 PM CST, Na Zhang wrote:

> Dear developers,
> 
> We want to start MPD daemons on 2 different subnets: for example,
> subnet #1 192.168.0.0/24 and subnet #2: 192.168.1.0/24
> 
> The two subnets are connected via switches and they can talk to each
> other. Next, we'd start MPD daemons on two nodes:
> 
> Node #1 (in subnet #1): (hostname:node_001) IP=192.168.0.1
> Node #2 (in subnet #2): (hostname:node_002) IP=192.168.1.1
> 
> We used the following commands:
> 
> on Node #1: mpd --ifhn=192.168.0.1 --daemon
> (daemon is successfully started on node_001)
> 
> on Node #2: mpd -h node_001 -p <node1's_port_number>
> --ifhn=192.168.1.1  --daemon
> (daemon cannot be started on Node #2. there is no error message, we
> use "mpdtrace" to check on Node #1, it shows no daemon started on Node
> #2 )
> 
> Node #2 cannot join the ring that is generated by node #1.
> 
> How should we do?
> 
> Thank you in advance.
> 
> Sincerely,
> Na Zhang
> 
> -- 
> Na Zhang, Ph.D. Candidate
> Dept. of Applied Mathematics and Statistics
> Stony Brook University
> Phone: 631-838-3205
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