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Adventures in highish availability
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Next: 0 Chaining some blocks together
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Marks
Author(s):
Peter Chubb
Location
C1
Date
jan Mon 21
Days Raw Files
Start
11:35
First Raw Start
11:01
Duration
0:20:0
Offset
0:33:33
End
11:55
Last Raw End
12:01
Chapters
00:00
Total cuts_time
20 min.
https://2019.linux.conf.au/schedule/presentation/216/
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I manage a small farm of servers and network for continuous integration and development, supporting around 50 users. We recently retired about a dozen servers, and have instead used containers and virtual machines on a pair of really big servers. Given some excess capacity in the new machines, I decided to try to set up replication and failover, so I can bring one machine down for maintenance, and people won't notice (much). Although there are off-the-shelf tools (like Pacemaker), they didn't seem applicable --- so we rolled out own. In hindsight this may have been a mistake. In this talk, I'll be talking about all the things that went wrong.
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Have been asked not to release this video until Peter gives explicit permission.
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