Hi,

Thanks. Before you posted, I've activated the cache feature of BIND. Let's 
see how it goes.




quinta-feira, 28 de Janeiro de 2016 às 19:02:47 UTC, Daniel Jagszent 
escreveu:
>
> Hi Alexandre, 
>
> > [...] 
> > Jan 27 08:32:19 zen s3ql:     raise HostnameNotResolvable(address[0]) 
> > Jan 27 08:32:19 zen s3ql: dugong.HostnameNotResolvable: Host 
> > ideiao.commondatastorage.googleapis.com does not have any ip addresses 
> > Jan 27 08:33:43 zen s3ql: Unmounting file system... 
> > 
> > it seems that at 08:32:19 the internet connection went down, or the 
> > dns server went down (google dns servers, by the way), and s3ql crashed. 
> > [...] 
> S3QL can in some circumstances generate a lot of parallel DNS requests*. 
> On one occasion my system generated so many requests per second that 
> Google's DNS temporarily rejected  DNS requests from my IP. That 
> resulted in a S3QL crash as you have experienced. 
> To workaround that crash reason, I installed Unbound 
> (https://unbound.net/) locally. Since then (~ 3 months ago) I did not 
> have that problem anymore. 
>
> On Ubuntu all you need to do is 
> $ sudo apt-get install unbound 
> to install and activate unbound. 
>
>
> * = As far as I know, every fresh HTTP Connection results in a DNS 
> request, and because of issue #178 
> (https://bitbucket.org/nikratio/s3ql/issues/178) there are ~1000 
> requests per second on my machine 
>

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