[tor] noisetor recovery

mark burdett mfburdett at gmail.com
Fri Jun 17 20:18:26 UTC 2016


Hi Patrick,

\o/

thanks for working on this :)

--mark B.

On 06/17/2016 12:57 PM, Patrick O'Doherty wrote:
> Just to follow up,
>
> The ddrescue that I ran on the disk overnight appears to have created a
> good image, at least I believe I have recovered key material for all of
> the 4 tor instances that we were running.
>
> I'll look to get them back up and running with an upgraded tor either
> tonight or tomorrow time depending.
>
> p
>
> Patrick O'Doherty:
>> hey folks,
>>
>> as some of you might have noticed the noisetor has been offline due to a
>> hardware (HDD) failure.
>>
>> myself and Andy have gotten the host back online, but unfortunately it
>> looks as if we've lost the relay key material as the filesystem is
>> highly corrupted.
>>
>> my plan to get noisetor back up and running is as follows:
>>
>> 1) image the disk and attempt to recover the key material
>>
>> 2) failing that generate new offline master keys (so that HDD recovery
>> doesn't cause this issue again) and create new 18-month signing keys
>> such that the relay can live again with minimal upkeep. I'm hoping that
>> an 18 month dead mans switch encourages somewhat more frequent
>> maintenance of the node going forward.
>>
>> posting here so there's some semblance of a public plan to get noisetor
>> back on its feet.
>>
>> cheers,
>>
>> p
>>
>
>
>
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