[Planetlab-users] can't login to nodes on slice..again..and again...and..again

[Vivek Pai]

Have you checked CoMon to see if the nodes appear to be alive?
http://comon.cs.princeton.edu

Right now, there are about 750 nodes in the database, but only
about 60% (450-ish) are up and running. To get a quick idea of
what this means in practice, take a look at
http://summer.cs.princeton.edu/status/viz_nodes.html

Any site that's black is completely down, and yellow is partially
down. Red means that the site is down, but that they're using
resources on other machines.

Anirban Banerjee wrote:

> Hi Everyone,
>                    I often wonder if people using PL  find it hard to 
> secure relatively large numbers of nodes for their work. I have about 
> 228 nodes registered for my slice and can log into only 80 odd 
> nodes... ! !
>
> The .ssh directory permissions are 0700, I cleaned out the known_hosts 
> file in case that was causing conflicts, I also  added
> StrictHostKeyChecking No to the ssh config file... inspite of this I 
> can't login to more than half of the registered nodes.. :( . Iread the 
> wiki, and couldn't get any more insight on this issue.
>
> Is there a quick fix solution to this thing? I added all these nodes 
> at least 4-5 days ago.. so I expect that any information that trickles 
> down to them regarding my keys etc. must be on the nodes by now.
>
> Do most people target 'x' nodes to impement experiments on and then 
> register 2x/3x+ nodes on their slices.."hoping for the best" ??
> It'll be good to hear from peers about how they deal with such a 
> situation :) .
>
> Thanks for your time,
> -A
>
>   
>
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