Hi Aqeel,
Alchemi doesn't make any distinction about the subnets of the
Executors/Managers. It does, however, store the hostnames of the Executors
in the Manager database, so perhaps this could be a DNS-related issue.
Actually, hostnames is a little misleading. When first connecting to the
Manager, each Executor looks at its Environment.MachineName (which doesn't
include its full DNS suffix -- i.e. "mylaptop01" and not "
mylaptop01.mydomain.com"). (I think this was considered a bug and was fixed
in SVN, but I'm not 100% sure).
So, your Manager must be able to connect to Client2 using only the name
"Client2".
If that isn't possible due to DNS configuration, there is a workaround.
(I've had to use this myself, unfortunately)
Just add lines like
Client2 192.168.x.x
to your C:\WINDOWS\system32\drivers\etc\hosts file on your Manager. This
hard-codes the IP address of all the other computers and doesn't try to do a
DNS lookup on them.
Also, dig around in your log files and see if you can find a more concrete
error message.
And, if all else fails, double-check that ports 9000 and 9001 are open
between all machines.
Hope that helps,
-Matt
On Thu, Apr 24, 2008 at 7:45 AM, Aqeel-ur-Rehman <[EMAIL PROTECTED]> wrote:
> I have a workgroup environment having three subnets. Subnet1 is having one
> server (Windows Server 2003) and 1 client (Windows XP). Subnet2 is also
> having the same connectivity. and both the subnets are connected via two
> routers having one switch in between.
>
> I am running Alchemi 1.0.6 manager on Server of Subnet1 and Executors on
> Client 1, Server1, Client2 and Server2. Its working fine and showing the
> connectivity.
>
> The Problem arising is that when I am running any grid application, the
> threads are running only on the subnet1 systems. Threads are not going
> towards other subnets. I also tried to run the example PI Calculator, its
> also showing the same response.
>
> All firewalls are inactive.
>
> Can anybody help me in this regard.
>
> --
> Aqeel-ur-Rehman
> Ph.D. Fellow
> FAST-NU
> Member of Center for Research in Ubiquitous Computing (CRUC)
> Cell # (92) 3002069659
> e-mail:
> [EMAIL PROTECTED]
> [EMAIL PROTECTED]
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