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[LDM #HQM-348302]: inconsistent files



Erik,

That's definitely quirky!

Nothing leaps to mind as to how this could be happening.

The pqact(1) FILE actions don't have the "-overwrite" option -- so every 
matching product will be appended to the file. That doesn't explain why the 
files would have different sizes on the two systems, however. Also, any 
duplicate product will be rejected by the product-queue because its MD5 
checksum would match an already existing product.

Do the contents of the files show what's happening? Do they contain a single 
product or multiple products?

No changes from 6.13.4 to 6.13.6 would account for this.

> Hello - I'm noticing the following quirky issue.  Almost all our files
> download correctly on our two servers, except there is a discrepancy
> between the sizes of the following two files:
> 
> the two servers are named verify1/verify2
> 
> verify1
> 13M 2017-09-20 01:24:47.268378221 +0000 glcfs-wvh.00z.grb
> 9.9M 2017-09-20 13:25:14.490462166 +0000 glcfs-wvh.12z.grb
> 
> verify2
> 1.9M 2017-09-20 01:24:47.313565922 +0000 glcfs-wvh.00z.grb
> 1.9M 2017-09-20 13:25:14.510410405 +0000 glcfs-wvh.12z.grb
> 
> 
> verify1 ldmd.conf
> request HDS "JSMT7..KWNH|OLNC88.KWNB" verify2.crh.noaa.gov
> request HDS     "JSMT7..KWNH|OLNC88.KWNB"       crh-ls-cpnrs.crh.noaa.gov
> 
> verify2 ldmd.conf
> request HDS "JSMT7..KWNH|OLNC88.KWNB" verify1.crh.noaa.gov
> request HDS     "JSMT7..KWNH|OLNC88.KWNB"       crh-ls-cpnrs.crh.noaa.gov
> 
> pqact.conf for both servers
> 
> #Feed Set: HDS
> #Product: GRIB file for significant wave height forecasts for the Great
> Lakes.
> WMO     ^(OLNC88 KWNB ..0...)
> FILE    -close  /u1/data/%m%d/glcfs-wvh.00z.grb
> 
> #Feed Set: HDS
> #Product: GRIB file for significant wave height forecasts for the Great
> Lakes.
> WMO     ^(OLNC88 KWNB ..1...)
> FILE    -close  /u1/data/%m%d/glcfs-wvh.12z.grb
> 
> Let me know if you have any ideas on this? Product Queue Age is above
> Maximum Latency on both servers.
> 
> On one server, I did notice it is running 6.13.4, and the other is running
> 6.13.6.... were there any major changes between the versions?

Regards,
Steve Emmerson

Ticket Details
===================
Ticket ID: HQM-348302
Department: Support LDM
Priority: Normal
Status: Closed
===================
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