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Re: Losing Data Products

David Maggert wrote:
> 
> Anne,
> 
> I would like to say that I have seen similar problems as Harry Edmon where 
> products get skipped
> after a timeout.  I had this same problem about year and a half ago.  I am 
> already using the -m
> and -o option of rpc.ldmd and products still occasionally get lost around 
> network outages.
> 
> rpc.ldmd -m 300000 -o 259200
> 
> My solution had been to stop and start LDM every day and then the program 
> will go back and get
> the missing files following the -m and -o rules.
> 
> However, it has been my experience that this will not work on the fly 
> (meaning LDM will only go
> back and get missing files after a restart).
> 
> > I know it works like this when the ldm is first started, but I don't
> > know if it would do this in the case of a dropped connection since I've
> > not been able to test that.  From the man page it seems like it would
> > work.  Just a thought.  If you try this please let me know how it turns
> > out.
> 
> > Anne
> 
> This is not a perfect solution, but it has worked for me.
> 
> David Maggert
> UNAVCO Archive

David,

Thank you for your comments.  Indeed, I've been casting about for any
solution, including band-aids, to this problem short of major changes to
the LDM.  (We're trying to develop the next major version of the LDM,
and are thus trying to minimize significant changes to the current
version.)  I'm glad to know how you've addressed it.  Unfortunately, yet
another disconnection (due to a restart), will add to the high overhead
he's already experiencing with his frequent disconnects, but that may be
the best alternative at this point.

But, how did you come to send this message to me today?  And, is it in
any way related to my original message of 2/8/2002 showing up in my
mailbox just now with a 2/8/2002 timestamp???

Anne
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Anne Wilson                     UCAR Unidata Program            
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                                  Boulder, CO  80307
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