> It looks we have been operating at a reduced capacity for our LDM/Unidata > server since November 20th. > > I have removed typhoon.plymouth.edu from our feed request strings, but there > is no noticeable change in throughput. > > Our only authorized local feed for NEXRAD, NIMAGE, and UNIWISC is now > ldm.meteo.psu.edu. > > I've wanted to use Drexel as a primary feed since September, however I have > never been able to contact anyone at Drexel that was able to give us access. > The IDD list of providers > (http://www.unidata.ucar.edu/software/idd/sitelist.html) is out of date, The > e-mail address and phone number given as contact for Drexel has not worked > for months. > > November 7 we increased our I2 bandwidth capability, but we didn't start > exercising our capacity until Monday, November 12th. I wouldn't have given > the go-ahead to re-configure our network if I didn't think everything was > fine-and-dandy with our feeds. > > -----Original Message----- > From: Brendon Hoch [mailto:address@hidden > Sent: Wednesday, November 28, 2007 10:32 AM > To: Zehel, Samuel > Cc: address@hidden > Subject: Re: IDD Feed Request > > Hi Samuel, > > Sorry for the bad timing on this. If you have a cell phone, I'd be > happy to call you if this happens again. We are feeding the same > feedtypes to other downstream sources, so I'm not sure why your LDM > setup would cause the freezing on our end. I'm ccing Unidata support to > see if they have any ideas. Looking at the logs on storm, it appears > that your setup was switching many times between primary and alternate > sites, I'm wondering if that was causing the hiccups on our end. > > Again, my apologies for the inconvenience, please feel free to feed from > storm.plymouth.edu in the meantime. > > Brendon > > > > Zehel, Samuel wrote: > > I was out last week, and was not able to respond until now. I will pursue > > another feed for these products, since you're not sure what the problem is. > > > > I wish you would check with me before you pull any future plugs. I had the > > feeds divided into separate channels to maximize our throughput. I will > > now have to re-evaluate our configuration. > > > > We did have some power-outages the week of November 17th, however I was not > > aware of any other issues. > > > > In October I asked Unidata if the feeds looked good. They stated "I think > > you are where you should be. "Please find the enclosed letter". > > > > > > -----Original Message----- > > From: Brendon Hoch [mailto:address@hidden > > Sent: Tuesday, November 20, 2007 4:59 PM > > To: Zehel, Samuel > > Cc: Brendon Hoch > > Subject: Re: IDD Feed Request > > > > Samuel, > > > > We've been having some problems with our servers during the last few > > months. While I'm not 100% sure what the problem is, it is interesting > > to note that they have all started since we've added shu.cup.edu to our > > LDM configuration. > > > > Today, we had an extreme situation where typhoon.plymouth.edu reset its > > network connection on 5 separate occasions within the span of an hour. > > After troubleshooting the situation, it seemed that the server settled > > down considerably after removing your entries from our LDM configuration. > > > > I also noticed on storm.plymouth.edu that the LDM logs indicate your > > system seems to be up & down with regards to connectivity. I'm > > wondering if there may be a problem on your side which may be affecting > > things. > > > > In order to insure system reliability, I have temporarily removed your > > LDM access from typhoon. However, you are welcome to try accessing > > storm via LDM for your other IDD feed needs. If this then causes > > problems on storm, we will let you know so that appropriate action can > > be taken. > > > > Please let me know if you have any questions or concerns. I will be > > away from the office the rest of the week, but checking email sporadically. > > > > Thanks, > > Brendon > > > > > -- > Brendon Hoch > Technology Manager > Judd Gregg Meteorology Institute > MSC 48, Boyd Hall 321A > Plymouth State University > Plymouth, NH 03264 > (603)535-2818 Fax: (603)535-2723 > http://vortex.plymouth.edu/~bhoch > > Hello, To better allow us to determine the issue can you please provide: The messages in the downstream LDM's log file. Cheers, Jeff Weber Unidata User Support http://www.unidata.ucar.edu Ticket Details =================== Ticket ID: YML-258703 Department: Support IDD Priority: Normal Status: Open
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