Douglas Hasell wrote:
> Peter Karpius and Douglas Hasell on shift.
>
> Running polarised deuterium most of the night with only minor problems.
>
> At the end of the previous shift Chris Crawford had a problem
> connecting to the mySQL server. Complained that there were too many
> connections. Chose to ignore this for the moment since it didn't
> affect anything.
>
> Lifetime was quite short, ~12 minutes, so we gave the beam to CCR to
> optimise. After a while we got the beam back with lifetimes around 22
> minutes though lifetime varies across runs and inside runs.
>
> Continued collecting data.
>
> Run log stopped working. Problem with mySQL so we continued to ignore.
>
> Around 05:20 the HV crate R1 stopped talking to the HV GUI. Peter
> tried to power cycle the crate but this didn't help. Tried to reboot
> but could not read from mySQL database. Couldn't ignore anymore.
> Phoned Ernie Bisson and Tancredi. Tancredi told us the mySQL server
> was in blast05. Tried a few other things but in the end rebooted
> blast05. This solved the problem and the HV GUI could be rebooted.
>
> Continued data taking.
>
> WC R5 tripped twice but we have left it at the nominal 3800 V.
>
> Run log windows open but do not close properly otherwise everything
> runs smoothly.
i would guess that this is the same mysql problem? because they worked
until mysql got overloaded. as a matter of fact, ALL of the fields
should work now!
--chris
>
>
> Cheers,
> Douglas
>
> 26-415 M.I.T. Tel: +1 617 258 7199
> 77 Massachusetts Avenue Fax: +1 617 258 5440
> Cambridge, MA 02139, USA E-mail: hasell@mit.edu
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