As ajax quite
elegantly summed up, due to a series of catastrophic power failures
at PSU, where fd.o is hosted, we were down for a good chunk of
yesterday. Despite the machines having redundant power supplies, being
connected to separate power rails in the rack, which were hooked up to
independent, UPS-backed, power supplies, we still (like a good chunk of
Portland, and certainly everyone in the PSU machine room) lost our
power.
As far as we can tell, when annarchy.fd.o (websites, people.fd.o, cgit,
anongit, et al) came back up, power was again interrupted while the ext3
journal was being replayed. When it came up the n'th time, fsck dumped
almost the entire filesystem in lost+found, then started saying
increasingly unhappy things about the state of the filesystem on its
second pass. In the end, we just went with mkfs, and now we have a
brand new and shiny filesystem.
It's worth pointing out that even if this was another filesystem, such
as /srv, which hosts all project data, we would've been fine, as they're
all backed up. But, unfortunately for some, we made a decision a while
ago to not back /home up, and didn't advertise that as widely as we
should have. So, if you had stuff in annarchy:/home, it's now gone, and
I hope you have backups.
Sorry about that. On the upside, I got to see PSU's new and really very
nice machine room this morning, thanks to XDC being about 250m
away from the PSU machine room, and fd.o is otherwise running fine.
We've been talking this week about replacing our ageing hardware, which
would also allow for more redundancy as well as better performance from
those machines. But we still have no plans to back up /home, so if you
put stuff there, please, please keep your own backups (or make sure the
Wayback Machine knows about it).
[About
Daniel StoneX ninja
Melbourne, AU
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Thu, 01 Oct 2009
fd.o affected by portland state uni power failure
03:43 | | # | tes la rok - inta | university place, portland, or ]