Cleaning up EOL releases

[Paul Spooren]

Hey Ansuel,
> 
>>> Also, as a longer-term goal, we need to think about removing old releases
>>> from the main download server (we currently have everything since 17.01,
>>> and it's taking a lot of disk space as well as slowing down rsync).  Since
>>> early January, we already redirect CDN downloads to the archive server for
>>> old releases.  But I would also like to serve these old releases through
>>> rsync, in case somebody is interested in historical analysis.
>> 
>> This sounds like a niche use case where a recursive wget would also do the trick?
> 
> As long as there is some reasonably efficient way to get them (and
> preferably several ways for redundancy), sure.  Could be a combination of
> archive.openwrt.org, archive.org, and object storage paid by the project.

Since you already handle S3 for OpenWrt cache, could you give an estimate here?

Paul