Re: Data Last Night

[Michael Koppelman <lolife@bitstream.net>]

I don't know what your Net access is like, but could we forgo 
intermediate media and just transfer it over the Net to Mike S's 
database? 15 CD's is about 10gig or so. I'm assuming that is 
uncompressed, so if we gzip'd it we could probably get the transfer 
time down to a reasonable level. If you assume you could transfer about 
100kb/s and that gzip would reduce the size by a factor of 2 or 3, it 
would be about 10-15 hours. Grab data all night and transfer it all 
day. If you could run the pipeline and transfer in real-time, in the 
morning the data would be already in the database?

Probably not practical but something to think about. If we could get a 
mirror of Mike S's database, then we wouldn't have to worry about the 
hard-media-as-backup.

Cheers,
Michael

On Sunday, April 27, 2003, at 01:01 AM, Tom Droege wrote:

> All three telescopes ran all night.  15 CD's were mostly full of data. 
>  About 1100 images.  Probably over a million measurements.  There are 
> still some problems with TOM3, the data does not look right so I will 
> have to test it further.  But it is mostly OK.  Possibly more hanging 
> chad.
>
> It took about 3 hours this morning 5 AM to 8 AM to shut down the 
> telescopes and write everything to disk.  I will patiently wait for 
> DVD's to get to the point where I can dump a whole night of data from 
> one telescope to one CD.  It is presently a pain because I have to sit 
> by the computer feeding it CD's every 10 minutes or so.   Anyone know 
> of the state of software that would allow writing fits files to DVD?