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Can secondary subcluster continue working when primary subcluster is down?

  • Apr 1, 2020 1:47 PM UTC
  • 2 replies
  • 26 views

Min_Yun_Chan

If primary subcluster is down, can secondary subcluster continue working?


@dsprogis @ybei
Question from Eon Mode: Past, Present, Future

2 replies

Pan
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  • Participating Frequently
  • Apr 1, 2020 2:21 PM UTC

No, if primary subcluster is DOWN, whole DB is down.


dsprogis
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  • Participating Frequently
  • Apr 1, 2020 2:51 PM UTC

Importantly, you can promote your secondary subcluster to be a primary. This may be handy if you want to take down your original primary.