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Date: Fri, 28 Nov 2025 11:56:04 +0100
To: cygwin AT cygwin DOT com
Subject: Re: Sourceware service migration; downtime friday/weekend 28/29/30 nov
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From: Mark Wielaard via Cygwin <cygwin AT cygwin DOT com>
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On Tue, Nov 25, 2025 at 01:23:29PM +0100, Mark Wielaard wrote:
> Sourceware service migration; downtime friday/weekend 28/29/30 nov
> 
> Various sourceware.org, cygwin.com, gcc.gnu.org, dwarfstd.org,
> elfutils.org and valgrind.org services will migrate to a bigger server
> in a new datacenter this Friday afternoon.
> 
> We already did a test migration and theoretically a fresh data sync to
> the new datacenter should take just ~4 hours. But there are also
> various DNS updates that need to be coordinated and might take some
> time to propagate. So expect some service interruptions starting
> Friday afternoon possibily extending into the weekend.
> 
> Please follow https://fosstodon.org/@sourceware for updates.

Prechecks look good. We did most networking and DNS changes that could
be done before the big switch. We hope the migration/downtime will be
limited to 16:00-20:00 UTC today (date -d "Fri 28 Nov 2025 16:00 UTC").

One thing we didn't manage to get in place is IPv6. After the
migration the services will only be accessible through IPv4. We hope
to get IPv6 access back at a later time.

https://forge.sourceware.org will not be affected by this, so this
might be an ideal time to play with it if you haven't yet. See
https://gcc.gnu.org/wiki/ForgeExperiment Make sure to register with
your @gcc.gnu.org/@sourceware.org account/email first though, because
email and wiki will not work during the downtime.

This is part of a larger effort to upgrade the Sourceware hardware,
services and isolation. The Sourceware Project Leadership Committee,
overseers, Software Freedom Conservancy, FSF sysadmins, Red Hat IT
(https://osci.io) and OSUOSL work closely together as discussed during
the last https://sourceware.org/sourceware-wiki/OpenHouse2025/

The Software Freedom Conservancy, our fiscal sponsor, is holding a
fundraiser match challenge. To keep Sourceware worry-free, friendly
and independent one of the best things you can do is become an SFC
Sustainer https://sfconservancy.org/sustainer/
Your support currently counts double!

See under "2025 in Review", "Highlights From Our Member Projects"
how SFC has helped Sourceware (and many other project) this last year.
https://sfconservancy.org/sustainer/#YearInReview

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