[tor-project] TPA-RFC-20: bullseye upgrade update: batch 1 almost complete

[Antoine Beaupré]

Hi,

We have *almost* completed our objective of upgrading everything in the
first batch of bullseye upgrades this week. Only three servers are left:

https://gitlab.torproject.org/tpo/tpa/team/-/issues/40690

... and they are three web mirrors which we have held off of upgrading
because issues came up in the static mirror sync procedure. TB *and*
core team had uploads to do, so we quickly fixed that regression and
left those machines alone for now.

They will be upgraded next week though, because the one machine that was
upgraded seems to have recovered.

The procedure took slightly longer than estimated because I spent some
time automating things that will, hopefully, pay off in the next batch
(and in future major upgrades as well, of course).

Next up is the second batch of servers, in early May:

https://gitlab.torproject.org/tpo/tpa/team/-/issues/40692

We might also start working on the migration of the sunet cluster:

https://gitlab.torproject.org/tpo/tpa/team/-/issues/40684

... which involves retiring some old services like build-sunet-a:

https://gitlab.torproject.org/tpo/tpa/team/-/issues/40691

and ipv6only.torproject.net (anyone knows *what* that thing is
anyways?).

Again, feedback on this procedure is welcome here or in the TPA-RFC-20
issue:

https://gitlab.torproject.org/tpo/tpa/team/-/issues/40662

People interested in the long term plan here can look at TPA-RFC-20
again:

https://gitlab.torproject.org/tpo/tpa/team/-/wikis/policy/tpa-rfc-20-bullseye-upgrades

Thank you for your attention.

-- 
Antoine Beaupré
torproject.org system administration
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