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[McIDAS #TAL-270196]: Not getting MD data



Hi Heather,

re:
> So we stopped decoding the MD data again.  Exactly at the end of the day 
> yesterday.  Not
> good!

I agree, this is not good!

re:
> I did the greps that you ask me to do.  The first one came up with nothing, 
> and
> the second grep came up just fine.

I should have had you do one or two more 'ps' invocations to make sure that
what I was expecting to see would be listed.  On all of our systems, the
'ps -eaf | grep DM | grep -v' invocation will list out all of the McIDAS-XCD
data monitors running on the system.  I assumed that this would be the
case for your system as ** I think ** you are running either RedHat Enterprise
6.x or CentOS 6.x.  I guess it might possible that the data monitors wouldn't 
show up
in this 'ps' invocation, but the real executables (e.g., dmsfc.k, etc.) would in
that case.

re:
> Yesterday while everything was running okay, both
> came up with the processes that you said they would.

OK, good.  This answered a couple of questions that I was
ready to pose.

re:
> Here is a screen grab of what I am seeing:
> 
> address@hidden ~]$ cd /data/
> address@hidden data]$ ls -ltr MDXX*
> -rw-rw-r-- 1 ldm ldm  5604680 Jul 27 09:13 MDXX0018
> -rw-rw-r-- 1 ldm ldm  2897136 Jul 27 09:13 MDXX0028
> -rw-rw-r-- 1 ldm ldm   542880 Jul 27 09:13 MDXX0057
> -rw-rw-r-- 1 ldm ldm  7097768 Jul 27 10:50 MDXX0109
> -rw-rw-r-- 1 ldm ldm  5961852 Jul 27 13:25 MDXX0068
> -rw-rw-r-- 1 ldm ldm 14156120 Jul 27 18:07 MDXX0119
> -rw-rw-r-- 1 ldm ldm 12630748 Jul 27 20:00 MDXX0038
> -rw-rw-r-- 1 ldm ldm 49844936 Jul 27 20:00 MDXX0008
> -rw-rw-r-- 1 ldm ldm  8819736 Jul 27 20:03 MDXX0058
> -rw-rw-r-- 1 ldm ldm  6020504 Jul 27 21:02 MDXX0069
> -rw-rw-r-- 1 ldm ldm  6615720 Jul 27 22:05 MDXX0019
> -rw-rw-r-- 1 ldm ldm  4817376 Jul 27 22:07 MDXX0029
> -rw-rw-r-- 1 ldm ldm  3569768 Jul 27 22:50 MDXX0110
> -rw-rw-r-- 1 ldm ldm 50471136 Jul 27 23:02 MDXX0009
> -rw-rw-r-- 1 ldm ldm 12976672 Jul 27 23:47 MDXX0039
> -rw-rw-r-- 1 ldm ldm   657952 Jul 27 23:53 MDXX0030
> -rw-rw-r-- 1 ldm ldm  1020352 Jul 27 23:53 MDXX0020
> -rw-rw-r-- 1 ldm ldm 10408436 Jul 27 23:59 MDXX0010
> -rw-rw-r-- 1 ldm ldm  8863248 Jul 27 23:59 MDXX0059
> -rw-rw-r-- 1 ldm ldm  2319312 Jul 27 23:59 MDXX0060
> -rw-rw-r-- 1 ldm ldm 12438832 Jul 27 23:59 MDXX0040
> -rw-rw-r-- 1 ldm ldm  1095628 Jul 27 23:59 MDXX0070

OK.  For reference, here is a long listing of the sizes of our
SFCHOURLY MD files from one of our motherlode-class machines:

% ls -alt /data/ldm/pub/decoded/mcidas/RTPTSRC/SFCHOURLY
total 860468
-rw-rw-r--   1 ldm      ustaff   35359336 Jul 28 15:53 MDXX0010
-rw-rw-r--   1 ldm      ustaff   50468136 Jul 28 15:51 MDXX0009
-rw-rw-r--   1 ldm      ustaff   50517136 Jul 28 00:00 MDXX0008
-rw-rw-r--   1 ldm      ustaff   50553936 Jul 27 00:00 MDXX0007
-rw-rw-r--   1 ldm      ustaff   50517136 Jul 25 21:48 MDXX0006
-rw-rw-r--   1 ldm      ustaff   50468136 Jul 24 21:55 MDXX0005
-rw-rw-r--   1 ldm      ustaff   50546936 Jul 24 00:00 MDXX0004
-rw-rw-r--   1 ldm      ustaff   50530636 Jul 22 21:18 MDXX0003
-rw-rw-r--   1 ldm      ustaff   50530636 Jul 21 21:05 MDXX0002

Notice that a complete SFCHOURLY (METAR) MD file should be
on the order of 50 MB per day.

re:
> address@hidden data]$ date
> Thu Jul 28 06:42:31 EDT 2016
> address@hidden data]$ ps -eaf | grep DM | grep -v grep

The fact that this listing was empty is disturbing.  XCD is designed
to restart data monitors that exit automatically, so even if they
died/were killed, they should be restarted.

re:
> address@hidden data]$ ps -eaf | grep inge | grep -v grep
> ldm      21115 21102  0 Jul27 ?        00:00:00 ingetext.k DDS
> ldm      21116 21102  0 Jul27 ?        00:00:00 ingebin.k HRS
> ldm      21135 21116  1 Jul27 ?        00:12:13 ingebin.k HRS
> ldm      21138 21115  0 Jul27 ?        00:01:55 ingetext.k DDS
> address@hidden data]$

This looks correct.

re:
> Any idea why my mcidas decoder is stopping? How can I fix this?

Unfortunately, the answer to both of these questions is no.

Comment:

- if your McIDAS-XCD decoders continue to run with no problems
  when using the previously installed version of the LDM on
  your machine, you should switch back to it immediately

  Again, I have _no_ idea why/how this would/could be the case,
  but we can sort those issues out later.

re:
> Thanks!

Sorry for your problems...

Cheers,

Tom
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Ticket Details
===================
Ticket ID: TAL-270196
Department: Support McIDAS
Priority: Normal
Status: Closed
===================
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