Originally posted by linner
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Linux 5.15 Addressing Scalability Issue That Caused Huge IBM Servers 30+ Minutes To Boot
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One or two boots per year and your 5 9's are for naught: https://en.wikipedia.org/wiki/High_a...ge_calculation
IBM uses Parallel Sysplex for high availability: https://www.ibm.com/docs/en/zos-basi...rallel-sysplex
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Originally posted by torsionbar28 View PostTry the Tandem/Compaq/HPE "NonStop" servers. The NSK (NonStop Kernel) based servers have been doing 5 nines for a few decades now.
According to Wikipedia, Trafodion uses C++ and Java but I can't imagine most of the NonStop stuff uses those, being as old as the project is. ? Years ago I read articles stating that Linux was then the primary player for stock exchanges. Would that be Linux running on NonStop hardware or is that a whole different thing?
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Originally posted by linner View Post
Do you know anything about the software that runs on those NonStop systems? What programming languages are used?
Heck, if would be a gratifying slap to Linux's and Unix's faces if those servers used to run Windows HPC.
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Originally posted by Sonadow View PostWho cares about what OS is used as long as it does its job.
Heck, if would be a gratifying slap to Linux's and Unix's faces if those servers used to run Windows HPC.
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Originally posted by partcyborg View Post
Lol 5 nines is ~5min of downtime per YEAR. Good luck getting that with a 30min boot time
Clearly a lot of people on this forum have no idea how to design backend systems/mainframes with high SLA. 5 nines is definitely very high but its not impossible like some people claim it to be, at least if you have enough resources to throw at the problem.
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