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20030123: ULM tornado and LSU sirocco feed problem



>From: "adam taylor (994)" <address@hidden>
>Organization: ULM
>Keywords: 200301231822.h0NIMPx18441 IDD

Hi Adam,

re:
>       Well been two days now and have had zero problems since switching
>over to seistan.  All data and models are comming in on a timely enough
>manner.  I guess sirocco was just being overworked.  Also, as of now i
>have been feeding the nexrad feed from thelma.  It's only a limited number
>of sites and along time ago i tried to feed it from sirocco but i never
>had an allow for it.  Would seistan be able to handle the load if i
>started getting it from there.  Just tring to figure out the servers that
>i should be feeding from.

It would useful if you swtiched your NEXRAD feed off of thelma.ucar.edu
and onto seistan.  Please keep us informed as to your ingestion status
after the move.

Thanks in advance...

Tom Yoksas

>Thanks
>
>Adam 
>
>
>On Tue, 21 Jan 2003, Robert Leche wrote:
>
>> Hello Adam,
>> 
>> As far as I know  you are the only site experiencing problems. that 
>> said.....
>> 
>> I do not have an answer for your  small file sizes. And even more 
>> curious is the variation in file sizes.  Again, as far as I know I have 
>> not problems with I1 or I2, either.  I believe it is time to get the 
>> good people at Unidata involved in this problem. A  stop gap solution I 
>> want you try,  feeding  from our other LDM hosts: seistan.srcc.lsu.edu 
>> and , our backup LDM feed site  is : datoo.srcc.lsu.edu (NOAAport). It 
>> would be useful to know how things work for you with the other feed 
>> sources. This I know, Sirocco has seven down stream sites and is busy. 
>>  I am on the verge  of make changes in how I source down stream sites 
>> any way, so this is as I said useful to know. Unloading Sirocco will 
>> help my loading problem and may take care your problems.
>> 
>> I will recheck firewall and such on Seistan and Datoo, but switch over 
>> and test the other systems one at a time and let me know your findings. 
>> I'd say after connecting to these systems, collect data for a couple of 
>> days on each system so we can see trends in data transfers.
>> 
>> Here are my sao files listings for the day you listed:
>> 
>> mistral [114] ls -l surface/wmo/030120*.sao
>> -rw-r--r--    1 ldm5     data      438038 Jan 20 18:56 
>> surface/wmo/03012000.sao
>> -rw-r--r--    1 ldm5     data      411068 Jan 20 19:56 
>> surface/wmo/03012001.sao
>> -rw-r--r--    1 ldm5     data      419173 Jan 20 20:57 
>> surface/wmo/03012002.sao
>> -rw-r--r--    1 ldm5     data      432544 Jan 20 21:56 
>> surface/wmo/03012003.sao
>> -rw-r--r--    1 ldm5     data      417898 Jan 20 22:55 
>> surface/wmo/03012004.sao
>> -rw-r--r--    1 ldm5     data      428830 Jan 21 00:03 
>> surface/wmo/03012005.sao
>> -rw-r--r--    1 ldm5     data      447245 Jan 21 00:55 
>> surface/wmo/03012006.sao
>> -rw-r--r--    1 ldm5     data      417620 Jan 21 01:55 
>> surface/wmo/03012007.sao
>> -rw-r--r--    1 ldm5     data      409217 Jan 21 02:51 
>> surface/wmo/03012008.sao
>> -rw-r--r--    1 ldm5     data      430195 Jan 21 03:58 
>> surface/wmo/03012009.sao
>> -rw-r--r--    1 ldm5     data      431959 Jan 21 04:56 
>> surface/wmo/03012010.sao
>> -rw-r--r--    1 ldm5     data      435910 Jan 21 05:53 
>> surface/wmo/03012011.sao
>> -rw-r--r--    1 ldm5     data      449179 Jan 21 06:52 
>> surface/wmo/03012012.sao
>> -rw-r--r--    1 ldm5     data      439356 Jan 21 07:52 
>> surface/wmo/03012013.sao
>> -rw-r--r--    1 ldm5     data      445504 Jan 21 08:56 
>> surface/wmo/03012014.sao
>> -rw-r--r--    1 ldm5     data      465309 Jan 21 09:55 
>> surface/wmo/03012015.sao
>> -rw-r--r--    1 ldm5     data      451851 Jan 21 10:52 
>> surface/wmo/03012016.sao
>> -rw-r--r--    1 ldm5     data      453054 Jan 21 01:17 
>> surface/wmo/03012017.sao
>> -rw-r--r--    1 ldm5     data      466213 Jan 21 03:08 
>> surface/wmo/03012018.sao
>> -rw-r--r--    1 ldm5     data      449972 Jan 21 03:08 
>> surface/wmo/03012019.sao
>> -rw-r--r--    1 ldm5     data      431721 Jan 21 07:58 
>> surface/wmo/03012020.sao
>> -rw-r--r--    1 ldm5     data      430613 Jan 21 04:25 
>> surface/wmo/03012021.sao
>> -rw-r--r--    1 ldm5     data      422168 Jan 21 01:38 
>> surface/wmo/03012022.sao
>> -rw-r--r--    1 ldm5     data      415234 Jan 21 08:41 
>> surface/wmo/03012023.sao
>> 
>> Assuming our pqact.conf  decoding statements are the same, your files 
>> should be inline with these. Also, send me a copy of  your pqact.conf 
>> and I will look into it.
>> 
>> 
>> Bob
>> 
>> 
>> 
>> 
>> adam taylor (994) wrote:
>> 
>> >Robert Leche:
>> >
>> >    Have you been having feed problems for the past week or so?  Ever
>> >since i have been re connected to sirocco my data files have looked like
>> >this:
>> >
>> >-rw-rw-r--    1 ldm      ldm         77474 Jan 19 20:55 03011920_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm          2516 Jan 19 21:55 03011921_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm          1367 Jan 19 22:55 03011922_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm        149981 Jan 19 23:55 03011923_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm        223203 Jan 20 00:55 03012000_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm        166696 Jan 20 01:55 03012001_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm        163164 Jan 20 02:55 03012002_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm        159031 Jan 20 03:55 03012003_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm           628 Jan 20 04:55 03012004_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm          1207 Jan 20 05:55 03012005_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm        220945 Jan 20 06:55 03012006_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm        166695 Jan 20 07:55 03012007_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm         71863 Jan 20 08:55 03012008_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm           295 Jan 20 09:55 03012009_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm           704 Jan 20 10:55 03012010_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm        169723 Jan 20 11:55 03012011_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm        219896 Jan 20 12:55 03012012_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm        173531 Jan 20 13:55 03012013_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm        166846 Jan 20 14:55 03012014_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm            88 Jan 20 15:55 03012015_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm           195 Jan 20 16:55 03012016_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm          8346 Jan 20 17:55 03012017_sao.wxp
>> >-rw-rw-r--    1 ldm      ldm        230181 Jan 20 18:55 03012018_sao.wxp
>> >
>> >As you can see i am having periods of almost all data lost.  These files
>> >are the created by the wxp decoders for the surface data.  The same thing
>> >is true for just about all types of data that i am currently feeding from 
>> >sirocco.  Even as i write this email the ldm is about 7 min behind.  The
>> >other ldm servers that i feed from are all ariving on time.  My network
>> >administrator says that there is no problem on the I2 line so i am writing
>> >you to see what is going on. 
>> >
>> >Also my ldm logs are FULL of disconnects reclasses and skips from sirocco.
>> >
>> >Thanks in advance.
>> >
>> >Adam Taylor
>> >Department of Geosciences
>> >University of Louisiana at Monore
>> >
>> 
>> -- 
>> ----------------------------------------------------------------
>> Robert Leche
>> System Administrator
>> Louisiana State University - Southern Regional Climate Center
>> 260 Howe-Russell Building
>> Baton Rouge, La. 70803
>> address@hidden
>> 225 578 5023
>> ----------------------------------------------------------------