Parallel Pool No data errors

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Deepika Gupta 2023-5-17

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https://ww2.mathworks.cn/matlabcentral/answers/1966539-parallel-pool-no-data-errors

评论： Raymond Norris 2023-6-16

I am failing to start a parallel pool (which was starting just fine 1 week ago... the only change is that I unplugged the ethernet cable).

This is the error I am receiving

Underlying error: failed to bind to endpoint

Cause: resolve: the requested name is valid, but no data of the requested type was found (system:11004)

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Raymond Norris 2023-5-17

Is the pool running locally? Or are you running it on an HPC cluster (e.g., MJS, Slurm, etc.)?

Deepika Gupta 2023-5-17

locally, I think

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Answer 1

Raymond Norris 2023-5-18

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https://ww2.mathworks.cn/matlabcentral/answers/1966539-parallel-pool-no-data-errors#answer_1239009

在 MATLAB Online 中打开

Glad you mentioned that you unplugged the Ethernet cable, that helped me track this down a bit (I think).

It appears as though this might have been fixed in R2021a and backported to R2020b (not sure which update). Which version are you running?

matlabRelease

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Walter Roberson 2023-5-19

I was recently seeing some oddities in link state on a Mac, times where it thought a link interface was connected even though I was fairly sure the other end was down. I was working with some pretty old external hardware at the time (2005-ish).

Walter Roberson 2023-5-19

Historically, on PC plugging in one end of an Ethernet cable to a half duplex Ethernet card (and I do mean card!) could trigger a link reset that could lead to state glitches. By the time of auto-negotiation with 100 megabits, this had been completely resolved for nearly all cards except some of the very very cheap ones.

This was, of course, difficult to figure out.

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