Re: Impossible to recover from datanode down
Network and disk IO seemed to be marginal.
When I did an all status, I got the response that the starting node was in phase 5.
I tried waiting (overnight) but this didn't resolve it.
I also tried killing the stuck ndbd and restarting it, but that didn't fix anything.
Unfortunately our test servers are in high demand, so I have to request a period for MySQL cluster testing, after which the machines get reallocated to other projects.
This means that I can't just jump in and re-run my tests whenever I feel like it...
I'll request another few days to do a final test, because although I'm getting frutstrated, I can't believe MySQL is as fragile as it currently seems.
What happens if another (the other) node goes during this 40 minutes? How much downtime would it cost to get things back up again, and how much data would be lost?
TIA,
Jan-willem.
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