Configuring a multi-hosted grid

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Configuring a multi-hosted grid

Jeff Kelley
Starting from a running, single-host grid hypergrid.
I want to add a simulator on a different host.

Should I change anything in OpenSim.ini/GridCommon.ini, besides
http_listener_port? I find no reference to the simulator's address.
Only references to the R.O.B.U.S.T. server, which is the same accross
all regions.


The region registers correctly:

13:57:29 - [SCENE COMMUNICATION SERVICE]: Region gabuzo successfully
informed neighbour Reg00 at 6000-6000 that it is up
13:57:29 - [SCENE COMMUNICATION SERVICE]: Region gabuzo successfully
informed neighbour Reg05 at 6002-6000 that it is up
13:57:29 - [SCENE COMMUNICATION SERVICE]: Region gabuzo successfully
informed neighbour Reg02 at 6000-6002 that it is up
13:57:29 - [SCENE COMMUNICATION SERVICE]: Region gabuzo successfully
informed neighbour Reg03 at 6002-6002 that it is up

13:05:12 - [GRID SERVICE]: Region gabuzo
(6072e5ab-aa0b-4061-89fc-48e0f0701ccf) registered successfully at
8005-8002 with flags RegionOnline
13:05:14 - [MAP ADD SERVER CONNECTOR]: Received map data for region
at 8005-8002

R.O.B.U.S.T.# show region name gabuzo
Region Name : gabuzo
Region ID   : 6072e5ab-aa0b-4061-89fc-48e0f0701ccf
Location    : 6001,6001
URI         : http://88.161.20.136:9070/
Owner ID    : 1b6772ab-2c1f-4ed5-a303-5f8f8890d1b1
Flags       : RegionOnline


But I am unable to enter:

Connection between viewer and destination region could not been established.

13:13:34 - [SCENE]: Region gabuzo told of incoming child agent
Jeff.Kelley @88.161.20.136 c16275b8-fede-4d89-9d96-64f481ec12d5
(circuit code 13601057, IP 88.161.20.136, viewer Singularity Release
1.8.5.5617, teleportflags (ViaLocation), position <128, 128, 1.5>.
 From region Reg00 (66e46377-6565-40a8-8498-8188a25c2c49) @
http://88.161.20.136:8002/
13:13:34 - [SCENE]: Region gabuzo authenticated and authorized
incoming child agent Jeff.Kelley @88.161.20.136
c16275b8-fede-4d89-9d96-64f481ec12d5 (circuit code 13601057)
13:13:34 - [EVENTQUEUE]: OnRegisterCaps: agentID
c16275b8-fede-4d89-9d96-64f481ec12d5 caps
OpenSim.Framework.Capabilities.Caps region gabuzo
13:13:34 - [SCENE]: Incoming child agent update for
c16275b8-fede-4d89-9d96-64f481ec12d5 in gabuzo
13:13:34 - [CAPS]: Received SEED caps request in gabuzo for agent
c16275b8-fede-4d89-9d96-64f481ec12d5
13:13:54 - [SCENE PRESENCE]: Did not find presence with id
c16275b8-fede-4d89-9d96-64f481ec12d5 in gabuzo before timeout
13:13:54 - [LOGHTTP]: Slow handling of 16 PUT
/agent/c16275b8-fede-4d89-9d96-64f481ec12d5/   from
88.161.20.136:52547 took 20136ms
13:13:54 - [SCENE]: Incoming child agent update for
c16275b8-fede-4d89-9d96-64f481ec12d5 in gabuzo
13:14:14 - [SCENE PRESENCE]: Did not find presence with id
c16275b8-fede-4d89-9d96-64f481ec12d5 in gabuzo before timeout
13:14:14 - [LOGHTTP]: Slow handling of 17 PUT
/agent/c16275b8-fede-4d89-9d96-64f481ec12d5/   from
88.161.20.136:52548 took 20128ms
13:14:14 - [AGENT HANDLER]: >>> DELETE <<< RegionID:
6072e5ab-aa0b-4061-89fc-48e0f0701ccf; from: 88.161.20.136; auth_code:
fea914f3-755d-43c8-b953-5948eb4fe223
13:14:14 - [SCENE]: Called CloseClient() with agent ID
c16275b8-fede-4d89-9d96-64f481ec12d5 but no such presence is in gabuzo
Region (gabuzo) #


-- Jeff
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Re: Configuring a multi-hosted grid

James Stallings II
Check your firewalls and any NAT-mediated connections between your external regions and robust host.

Cheers


On Thu, Aug 21, 2014 at 8:06 AM, Jeff Kelley <[hidden email]> wrote:
Starting from a running, single-host grid hypergrid.
I want to add a simulator on a different host.

Should I change anything in OpenSim.ini/GridCommon.ini, besides http_listener_port? I find no reference to the simulator's address. Only references to the R.O.B.U.S.T. server, which is the same accross all regions.


The region registers correctly:

13:57:29 - [SCENE COMMUNICATION SERVICE]: Region gabuzo successfully informed neighbour Reg00 at 6000-6000 that it is up
13:57:29 - [SCENE COMMUNICATION SERVICE]: Region gabuzo successfully informed neighbour Reg05 at 6002-6000 that it is up
13:57:29 - [SCENE COMMUNICATION SERVICE]: Region gabuzo successfully informed neighbour Reg02 at 6000-6002 that it is up
13:57:29 - [SCENE COMMUNICATION SERVICE]: Region gabuzo successfully informed neighbour Reg03 at 6002-6002 that it is up

13:05:12 - [GRID SERVICE]: Region gabuzo (6072e5ab-aa0b-4061-89fc-48e0f0701ccf) registered successfully at 8005-8002 with flags RegionOnline
13:05:14 - [MAP ADD SERVER CONNECTOR]: Received map data for region at 8005-8002

R.O.B.U.S.T.# show region name gabuzo
Region Name : gabuzo
Region ID   : 6072e5ab-aa0b-4061-89fc-48e0f0701ccf
Location    : 6001,6001
URI         : http://88.161.20.136:9070/
Owner ID    : 1b6772ab-2c1f-4ed5-a303-5f8f8890d1b1
Flags       : RegionOnline


But I am unable to enter:

Connection between viewer and destination region could not been established.

13:13:34 - [SCENE]: Region gabuzo told of incoming child agent Jeff.Kelley @88.161.20.136 c16275b8-fede-4d89-9d96-64f481ec12d5 (circuit code 13601057, IP 88.161.20.136, viewer Singularity Release 1.8.5.5617, teleportflags (ViaLocation), position <128, 128, 1.5>. From region Reg00 (66e46377-6565-40a8-8498-8188a25c2c49) @ http://88.161.20.136:8002/
13:13:34 - [SCENE]: Region gabuzo authenticated and authorized incoming child agent Jeff.Kelley @88.161.20.136 c16275b8-fede-4d89-9d96-64f481ec12d5 (circuit code 13601057)
13:13:34 - [EVENTQUEUE]: OnRegisterCaps: agentID c16275b8-fede-4d89-9d96-64f481ec12d5 caps OpenSim.Framework.Capabilities.Caps region gabuzo
13:13:34 - [SCENE]: Incoming child agent update for c16275b8-fede-4d89-9d96-64f481ec12d5 in gabuzo
13:13:34 - [CAPS]: Received SEED caps request in gabuzo for agent c16275b8-fede-4d89-9d96-64f481ec12d5
13:13:54 - [SCENE PRESENCE]: Did not find presence with id c16275b8-fede-4d89-9d96-64f481ec12d5 in gabuzo before timeout
13:13:54 - [LOGHTTP]: Slow handling of 16 PUT /agent/c16275b8-fede-4d89-9d96-64f481ec12d5/   from 88.161.20.136:52547 took 20136ms
13:13:54 - [SCENE]: Incoming child agent update for c16275b8-fede-4d89-9d96-64f481ec12d5 in gabuzo
13:14:14 - [SCENE PRESENCE]: Did not find presence with id c16275b8-fede-4d89-9d96-64f481ec12d5 in gabuzo before timeout
13:14:14 - [LOGHTTP]: Slow handling of 17 PUT /agent/c16275b8-fede-4d89-9d96-64f481ec12d5/   from 88.161.20.136:52548 took 20128ms
13:14:14 - [AGENT HANDLER]: >>> DELETE <<< RegionID: 6072e5ab-aa0b-4061-89fc-48e0f0701ccf; from: 88.161.20.136; auth_code: fea914f3-755d-43c8-b953-5948eb4fe223
13:14:14 - [SCENE]: Called CloseClient() with agent ID c16275b8-fede-4d89-9d96-64f481ec12d5 but no such presence is in gabuzo
Region (gabuzo) #


-- Jeff
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Re: Configuring a multi-hosted grid

Jeff Kelley
At 8:25 AM -0500 21/8/14, James Stallings II wrote:

>  Check your firewalls and any NAT-mediated connections
>  between your external regions and robust host.

Port 9070 is mapped to the machine running the region I try to link
to the grid.
I use the same port for the simulator and the region.

Port range 9000-9100 is opened on this machine's firewall, TCP+UDP.


Two tests have been run with the same results:

- WAN test : two machines on different public IPs.

- Both machine on same LAN (router does loopback, I can click
http://88.161.20.136:9070/ from inside the LAN and see the hippos, as
you can see it from the WAN).

Of course, GridCommon.ini was edited accordingly.


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Re: Configuring a multi-hosted grid

Jeff Kelley
To check my new simulator configuration (setup from a virgin 0.8
tarball), I moved it to the grid host and the problem persists. So
there is obviously a basic problem with my configuration.

I will compare my configuration to the configuration I use for the 6
working simulators of the grid and expect to find my mistake soon.


-- Jeff






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Re: Configuring a multi-hosted grid [SOLVED]

Jeff Kelley
That was a totally stupid error.

The NETGEAR FVS338 web interface has separate entries for TCP and UDP
when mapping ports.

My TCP rule was correctly mapping TCP traffic, but my UDP rule was
mapping TCP also.


I feel ashamed.


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Re: Configuring a multi-hosted grid

James Stallings II
In reply to this post by James Stallings II
Good Luck Jeff and good sleuthing :)

Cheers
James



On Thu, Aug 21, 2014 at 9:49 AM, Jeff Kelley <[hidden email]> wrote:
To check my new simulator configuration (setup from a virgin 0.8 tarball), I moved it to the grid host and the problem persists. So there is obviously a basic problem with my configuration.

I will compare my configuration to the configuration I use for the 6 working simulators of the grid and expect to find my mistake soon.



-- Jeff






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Re: Configuring a multi-hosted grid [SOLVED]

James Stallings II
In reply to this post by James Stallings II
No need to feel ashamed, especially as you've found the issue :D

Cheers!
James



On Thu, Aug 21, 2014 at 10:08 AM, Jeff Kelley <[hidden email]> wrote:
That was a totally stupid error.

The NETGEAR FVS338 web interface has separate entries for TCP and UDP when mapping ports.

My TCP rule was correctly mapping TCP traffic, but my UDP rule was mapping TCP also.


I feel ashamed.


-- Jeff
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Re: Configuring a multi-hosted grid

aiaustin
In reply to this post by Jeff Kelley

>From: Jeff Kelley <[hidden email]>
>
>Should I change anything in OpenSim.ini/GridCommon.ini, besides
>http_listener_port? I find no reference to the simulator's address.
>Only references to the R.O.B.U.S.T. server, which is the same accross
>all regions.


Your region.ini file(s) is the place that needs to refer to the host
on which the OpenSim.exe instance is running Jeff.

In OpenSim.ini [Netwoprk] section you need to set the  ExternalHostNameForLSL

     ;; Note this is for OpenSim.exe and thus NOT the hostname for
the core Grid Robust services.
     ExternalHostNameForLSL = "your-opensim-regions-host.org"


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Re: Configuring a multi-hosted grid

David Saunders-2
Hey, 

    A solution that helped for me,  Make sure your public IPs have  names( ie. example.com) Its is important that they do for the next steps.  What I have done in the past since most of my routers I have used do note provide a local loopback to local next work.   You can use some of the dynamic name sites for this if you cat add a machine name to a domain. 


1> Assign the public IP(s) address to seperate names. This also work with a single IP address its important that the each simulator machine have its own name, even if it shares the same public IP.
2> Now the the tricker part. on either your local dns server( some routers allow you to do this) or on local host files, assign the local host IPs to the names given to them in step 1. 
3> Update the simulator configs with the host names.

You may need to restart machine to get them to work, but if done correctly, the local computers will access the your public names with local IPs.  

>>>>>>> note backup any files or setting your are changing so you can change them back incase of problem <<<<<<

This should only affect the way your local computer access each other and should have no other effect on your network operation. 

My testbed is: 
I have used this on a DSL modem with an dynamic IP dose not support loopback :|, 1 linux robust/sim host, 1 win7 machine with simulator and multiple virtual linux on the win7 machine. I use dyndns to update the host names. 


On Thu, Aug 21, 2014 at 12:07 PM, Ai Austin <[hidden email]> wrote:

From: Jeff Kelley <[hidden email]>


Should I change anything in OpenSim.ini/GridCommon.ini, besides
http_listener_port? I find no reference to the simulator's address.
Only references to the R.O.B.U.S.T. server, which is the same accross
all regions.


Your region.ini file(s) is the place that needs to refer to the host on which the OpenSim.exe instance is running Jeff.

In OpenSim.ini [Netwoprk] section you need to set the  ExternalHostNameForLSL

    ;; Note this is for OpenSim.exe and thus NOT the hostname for the core Grid Robust services.
    ExternalHostNameForLSL = "your-opensim-regions-host.org"



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Re: Configuring a multi-hosted grid

Jeff Kelley
In reply to this post by aiaustin
At 5:07 PM +0100 21/8/14, Ai Austin wrote:

>Your region.ini file(s) is the place that needs to refer
>to the host on which the OpenSim.exe instance is running Jeff.


Yes, and this is the only thing to change. It is surprisingly easy to
move a simulator from a host to another, over a LAN or the internet.
There is nothing to edit in GridCommon.ini since it's all ROBUST
stuff.



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Re: Configuring a multi-hosted grid

Jeff Kelley
In reply to this post by David Saunders-2
At 12:59 PM -0400 21/8/14, David Saunders wrote:

>  A solution that helped for me,  Make sure your public IPs have
> names( ie. > >http://example.com>example.com) Its is important that
>they do for the next steps.
>What I have done in the past since most of my routers I have used do
>note provide a
>local loopback to local next work.   You can use some of the dynamic
>name sites for
>this if you cat add a machine name to a domain.


Hi David.

I have never used a domain name for opensimulator. Just because I did
not bother to find a name. I manage my name server, so it would be
easy to add any number of subdomains. I'm just lazy.

There are 2 standalones and a grid running on 88.161.20.136 (don't
try 9000, it's firewalled ; a public test standalone sits at 9100 and
the pubic grid at 8002).

Fortunately, my router does loopback, so internal and external logins
are unified.


>I have used this on a DSL modem with an dynamic IP dose not support
>loopback :|,
>1 linux robust/sim host, 1 win7 machine with simulator and multiple
>virtual linux on
>the win7 machine. I use dyndns to update the host names.

Interesting. May I ask why you virtualize Linux on Win instead of running .NET?


-- Jeff
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Re: Configuring a multi-hosted grid

James Stallings II
In reply to this post by David Saunders-2
Yeah the need for a DNS name scheme here is thoroughly overstated. In fact, it adds more complexity and is something I typically do only *after* getting everything working fine.




On Thu, Aug 21, 2014 at 12:50 PM, Jeff Kelley <[hidden email]> wrote:
At 12:59 PM -0400 21/8/14, David Saunders wrote:

 A solution that helped for me,  Make sure your public IPs have names( ie. > >http://example.com>example.com) Its is important that they do for the next steps.

What I have done in the past since most of my routers I have used do note provide a
local loopback to local next work.   You can use some of the dynamic name sites for
this if you cat add a machine name to a domain.


Hi David.

I have never used a domain name for opensimulator. Just because I did not bother to find a name. I manage my name server, so it would be easy to add any number of subdomains. I'm just lazy.

There are 2 standalones and a grid running on 88.161.20.136 (don't try 9000, it's firewalled ; a public test standalone sits at 9100 and the pubic grid at 8002).

Fortunately, my router does loopback, so internal and external logins are unified.



I have used this on a DSL modem with an dynamic IP dose not support loopback :|,
1 linux robust/sim host, 1 win7 machine with simulator and multiple virtual linux on
the win7 machine. I use dyndns to update the host names.

Interesting. May I ask why you virtualize Linux on Win instead of running .NET?


-- Jeff

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Urban legends (Was :Configuring a multi-hosted grid)

Jeff Kelley
At 7:20 PM -0500 21/8/14, James Stallings II wrote:

>  Yeah the need for a DNS name scheme here is thoroughly overstated.
>  In fact, it adds more complexity and is something I typically do only *after*
>  getting everything working fine.


There are a number of urban legends floating around opensim. Here are some:

1) It's bad to put numeric IP in ini's.

2) If your simulator is on port 9000, put your first region on port
10000. It will reduce latency.

3) Create a "first", empty, hidden simulator in ROBUST's directory
(this is for ppl that clone the bin/ directory for each simulator).
This will accelerate asset transfers.


True/false?


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Re: Urban legends (Was :Configuring a multi-hosted grid)

James Stallings II
In reply to this post by James Stallings II
All false except perhaps the last - it has no real bearing on operations per se, so is really neither true nor false.

In fact, wrt #2, putting IP numbers in ini files will preclude a DNS lookup each time the address is referenced, which will save time each time the addressed is used.

On Fri, Aug 22, 2014 at 6:15 AM, Jeff Kelley <[hidden email]> wrote:
At 7:20 PM -0500 21/8/14, James Stallings II wrote:

 Yeah the need for a DNS name scheme here is thoroughly overstated.
 In fact, it adds more complexity and is something I typically do only *after*
 getting everything working fine.


There are a number of urban legends floating around opensim. Here are some:

1) It's bad to put numeric IP in ini's.

2) If your simulator is on port 9000, put your first region on port 10000. It will reduce latency.

3) Create a "first", empty, hidden simulator in ROBUST's directory (this is for ppl that clone the bin/ directory for each simulator). This will accelerate asset transfers.


True/false?


-- Jeff
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Re: Urban legends (Was :Configuring a multi-hosted grid)

James Stallings II
LOL my bad, #1, not #2.


On Fri, Aug 22, 2014 at 6:19 AM, James Stallings II <[hidden email]> wrote:
All false except perhaps the last - it has no real bearing on operations per se, so is really neither true nor false.

In fact, wrt #2, putting IP numbers in ini files will preclude a DNS lookup each time the address is referenced, which will save time each time the addressed is used.


On Fri, Aug 22, 2014 at 6:15 AM, Jeff Kelley <[hidden email]> wrote:
At 7:20 PM -0500 21/8/14, James Stallings II wrote:

 Yeah the need for a DNS name scheme here is thoroughly overstated.
 In fact, it adds more complexity and is something I typically do only *after*
 getting everything working fine.


There are a number of urban legends floating around opensim. Here are some:

1) It's bad to put numeric IP in ini's.

2) If your simulator is on port 9000, put your first region on port 10000. It will reduce latency.

3) Create a "first", empty, hidden simulator in ROBUST's directory (this is for ppl that clone the bin/ directory for each simulator). This will accelerate asset transfers.


True/false?


-- Jeff
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Re: Urban legends (Was :Configuring a multi-hosted grid)

Marcus Llewellyn
In reply to this post by James Stallings II

I always use numeric IPs, with the exception of the external host in Regions.ini because I'm behind a NAT.

I do use different ports for simulators and regions, but only because I find it less confusing from an organization standpoint.

The third one is completely new to me. What I do, and I've always suspected that it's probably a bad idea but have gotten away with it so far, is to have multiple instances share an asset cache in order to speed things up.

On Aug 22, 2014 6:19 AM, "James Stallings II" <[hidden email]> wrote:
All false except perhaps the last - it has no real bearing on operations per se, so is really neither true nor false.

In fact, wrt #2, putting IP numbers in ini files will preclude a DNS lookup each time the address is referenced, which will save time each time the addressed is used.

On Fri, Aug 22, 2014 at 6:15 AM, Jeff Kelley <[hidden email]> wrote:
At 7:20 PM -0500 21/8/14, James Stallings II wrote:

 Yeah the need for a DNS name scheme here is thoroughly overstated.
 In fact, it adds more complexity and is something I typically do only *after*
 getting everything working fine.


There are a number of urban legends floating around opensim. Here are some:

1) It's bad to put numeric IP in ini's.

2) If your simulator is on port 9000, put your first region on port 10000. It will reduce latency.

3) Create a "first", empty, hidden simulator in ROBUST's directory (this is for ppl that clone the bin/ directory for each simulator). This will accelerate asset transfers.


True/false?


-- Jeff
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Re: Urban legends (Was :Configuring a multi-hosted grid)

Jeff Kelley
In reply to this post by James Stallings II
At 6:19 AM -0500 22/8/14, James Stallings II wrote:

>In fact, wrt #2, putting IP numbers in ini files will preclude a DNS
>lookup each time
>the address is referenced, which will save time each time the
>addressed is used.


And make you dead when Microsoft steals your no-ip name.

There is a point about NOT using dotted IP : you will be banned from Kitely.



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Re: Urban legends (Was :Configuring a multi-hosted grid)

James Stallings II
In reply to this post by James Stallings II
How did Kitely get into a discussion about running one's own grid?


On Fri, Aug 22, 2014 at 7:23 AM, Jeff Kelley <[hidden email]> wrote:
At 6:19 AM -0500 22/8/14, James Stallings II wrote:

In fact, wrt #2, putting IP numbers in ini files will preclude a DNS lookup each time
the address is referenced, which will save time each time the addressed is used.


And make you dead when Microsoft steals your no-ip name.

There is a point about NOT using dotted IP : you will be banned from Kitely.




-- Jeff
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Re: Urban legends (Was :Configuring a multi-hosted grid)

Jeff Kelley
In reply to this post by Marcus Llewellyn
At 6:35 AM -0500 22/8/14, Marcus Llewellyn wrote:

>The third one is completely new to me. What I do, and I've always
>suspected that it's
>probably a bad idea but have gotten away with it so far, is to have
>multiple instances
>share an asset cache in order to speed things up.


I have all instances sharing the same asset cache. I use an
environment variable to customise port number, region file and
simulator's prompt at launch. That's a huge simplification in
organization : one bin/ folder, one set of ini's.

It should be possible to customize CacheDirectory in FlotsamCache.ini as well.


-- Jeff
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Re: Urban legends (Was :Configuring a multi-hosted grid)

Jeff Kelley
In reply to this post by James Stallings II
At 7:25 AM -0500 22/8/14, James Stallings II wrote:

>  How did Kitely get into a discussion about running one's own grid?


Oops !
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