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How to prevent Client Error?

How to prevent Client Error?

Message boards : Number crunching : How to prevent Client Error?
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old_user60347

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Message 39461 - Posted: 2 Apr 2010, 21:35:50 UTC

I have received this error two time since I have returned to this project. Both times I figured that it was because of power failures in my area.

A little history. I live in a town in Oklahoma that if the wind blows hard, it rains alot, snows a few inches, any amount of ice, a bird burps, or a fly passes gas, we have a power lose. Sometime for just a second or other times for hours or days. Most of the time it is an off and right back on thing. This is when I get a client error.

Now good old spring weather is coming and I would like to know if there is some way I can set up Boinc and my PC to prevent this error. I know the power failures are coming and I really do not want to lose
the progress I am making on my tasks.
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Les Bayliss
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Message 39462 - Posted: 2 Apr 2010, 22:07:58 UTC
Last modified: 2 Apr 2010, 22:22:57 UTC

The only way to fix this is with a computer that has a good power supply. i.e. one that isn\'t stretched to the limits just running all of the hardware, but has some extra capacity.
Failing this, which is usually the case for cheaper ready-to-go computers, then use an \"uninterruptible power supply\" (ups). This will give a bit of extra time for the programs to fully shut down.

The climate models have a lot of files open, and if even one or two don\'t get closed, then you can lose the lot.

Also, ALWAYS shut down BOINC before turning off the computer.
Preferably:
Suspend BOINC
Wait until it says Suspended
Exit BOINC
Wait until it closes
Turn off computer

edit
Perhaps I should also mention the obvious: Make frequent backups.
Where \'frequent\' is: How much time are you prepared to spend re-running the same part of the model? Daily can be not too frequent in areas of poor power reliability.
Backups: Here
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Message boards : Number crunching : How to prevent Client Error?

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