[cfarm-users] cfarm420..422,430..440: temporary shutdown

[Luke Yasuda]

On 2026-06-29 14:07, Luke Yasuda wrote:
> Hi all,
> 
> There will be a temporary shutdown for cfarm420..422,430..440 from Jul 
> 6 (ish) to Aug 25 (ish). Please plan your testing and move your data 
> accordingly. cfarm423..429 will be online as usual, so you can move 
> data there temporarily. Inside the LAN pretty much everything is 
> 10Gbps. You are not supposed to store important data, but if you did 
> anyway, it's time for you to move them.
> 
> A few reasons are behind this shutdown. During this time I'll be away 
> from home, abroad again, and I feel unsafe to leave these many servers 
> up. We had 3 (small~medium level) earthquakes and 2 typhoons in a row 
> in Tokyo last Friday, when I just realized the server rack is not 
> disaster proofed. The rack is at risk of tipping over in a large 
> earthquake (defined as level 5+). The work to make it earthquake 
> proofed is ongoing. On the other hand, I saw on the news that France is 
> hot as hell and I imagine Tokyo will be melting hot too once the rainy 
> season ends. I feel that this shutdown will be good for the hardware in 
> general so they last longer, and my home won't burn down, etc. during 
> my time away.
> 
> cfarm433..440 (the Talos II board) are not stable either. Sometimes the 
> HBA overheats and the PCIe link resets itself under heavy I/O, causing 
> CPU lockups (once I thought it was CPU's fault). This never happened 
> before this summer. I'll have to find a way to cool down the HBA. 
> cfarm439,440 have their own problems too and I'm still working on it, 
> but maybe not so fast.
> 
> Let's hope we all survive this summer and maybe come back better and 
> stronger.

Update: I'm back home and I restarted cfarm420..422,430. cfarm431,432 
(hurd) do not boot: they stuck at init starting inetutils-syslogd. Need 
more investigations. The ppc ones cfarm433..440 will be started soon 
too.

Also I earthquake-proofed the server rack.

Cheers,
-- 
Luke Yasuda
GPG Fingerprint: 4E09 8D19 00AA 3F72 1899 2614 09B3 316E 13A1 1EFC
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