[Server-devel] Initial Feedback

2009-10-11 Thread Rangan Srikhanta
Martin,

Performed some basic testing today with the XS.

Quite impressive. 

SPECS:
1 x Linksys WRT54GL - DDWRT v24
DELL Optiplex 755 - 160 GB, 2Gb Ram(that's all the specs I have for now)
30 XO laptops

Below is a summary of different things I tested to see how they worked - no
science to what I did.

1. PASS - Registered each XO and then hit ctrl-alt-erase to reboot sugar.
All registered OK.
2. PASS - Checked to see each XO was recognised in the neighbourhood view.
Spot tests consistently re-affirmed this. 
3. PASS - Shared an activity and then had other XOs join. Includes accurate
'huddling' around each activity. Spot check around room to confirm.
4. PASS - Switched between activities whilst sharing. E.g. One person who
was on Record, joined Jigsaw and this change was accurately reflected. 
5. PASS - When a person switched away from an activity (as opposed to
exiting it) this was reflected in the neighbourhood view. Spot check around
room to confirm.
6. FAIL - Simulate dead battery - but cold shutting off a machine.
Neighbourhood did not reflect this, showed they were still online. Had to
restart, connect back to school server and shutdown properly to leave
neighbourhood view. They way some of the kids are out in the deployment,
they are still learning the whole shutdown/exit activity procedure, so this
could pose a problem - though I understand how this could be hard to
implement.
7. FAIL - a reboot (full restart or ctrl-alt-erase) causes the rebooted
machines not to accurately reflect who is part of a shared activity. Some
rebooted machines reflected a more accurate picture than others, but none
had the full picture. Kids will be going offline and online all the time in
deployments so I can see how this could become a problem. Though this will
be somewhat tempered by the ability to still share and view other XOs.

Thank you,

Rangan



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Re: [Server-devel] Serving 400+ students w/ a single central XS - ejabberd nightmare?

2009-03-10 Thread Rangan Srikhanta
Folks,

 

Here at OLPC AU, we are using Linksys WRT54GLs using DD-WRT and configuring
the routers to act as an AP according to the following instructions.
http://www.dd-wrt.com/wiki/index.php/Wireless_Access_Point 

 

I found I could turn the WRT54GL into the required AP mode in 10minutes,
using an XO. 

 

In our first round of deployments we will be only using WRT54GLs, and after
speaking to Dev, will be working on 1 for every 25. 

 

Thx,

 

Rangan

 

From: server-devel-boun...@lists.laptop.org
[mailto:server-devel-boun...@lists.laptop.org] On Behalf Of Reuben K. Caron
Sent: Tuesday, 10 March 2009 11:29 PM
To: Daniel Drake
Cc: server-devel
Subject: Re: [Server-devel] Serving 400+ students w/ a single central XS -
ejabberd nightmare?

 

Daniel Drake wrote: 

2009/3/9 Bryan Berry  mailto:br...@olenepal.org br...@olenepal.org:
  

We will have roughly 8+ AP's. We have found that off-the-shelf AP's can
handle around 60-70 users.  But that doesn't still doesn't solve the
problem of the XO's getting bogged down by tons of ejabberd chatter.
 
DSD: do you have any ideas about this?


 
Have only had a chance to test numbers on Linksys WRT54Gsomething
routers, which stop accepting new connections after 33 users. yay.
  

Have you tried loading a different firmware on these, dd-wrt?

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