What happen for de.kano.is? Not connected.
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Ah I forgot all about explaining what happened with this!
Firstly, the DE node is now all stable.
Very nice numbers

1.05PH/s 93.8 SPS 70 users 378 workers
'Tuning' some system settings has resolved it's problems.
In the process, I also upgraded it to double everything so it's now quite a good (more than necessary) remote node as far as power goes.
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OK well I posted that too soon

I'm taking the DE node down.
It's started having problems less than 2 minutes after that post.
Sorry about that, I'll inform once things are sorted out.