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Re: 20010822: Unable to maintain connects from wsi



Art,

Has any configurations changed lately?  From the LDM log you sent it
appears that your machine is running full capacity and/or it is having a
case of network congestion. The machine is having RECLASS messages from
LDM's and it having large delays in receiving products.  Can you set
up a test machine to receive the WSI products?  This is the time of year
when the students come back into town and the networks are put under
stress.  One reason for my diagnosis is that your connection to motherlode
on Internet2 is also RECLASSING. Also, I would suggest on rebuilding the
queue because I seen some errors.  You might have to do some
reconfigurating to get back to state of receiving all the data.

Robb...

You should look at:

http://www.unidata.ucar.edu/packages/ldm/troubleshooting/index.html 




On Wed, 22 Aug 2001, Unidata Support wrote:

> >To: <address@hidden>
> >From: "Arthur A. Person" <address@hidden>
> >Subject: Unable to maintain connects from wsi
> >Organization: UCAR/Unidata
> >Keywords: 200108221513.f7MFDR125002
> 
> Hi...
> 
> We've been unable to maintain any connection to sysu1.wsicorp.com since
> August 20, two days ago now.  I emailed Charlie O'brien there about this
> but have come to no resolution of the issue other than that he says it's
> working for everyone but us.  My pings do show intermittent small amounts
> of packet loss (5-10%) but connectivity is nevertheless there.  What I
> can't understand is why the wsi system has been unable to connect AT ALL
> for the last ~36 hours (no data at all).  I would think that even if
> network conditions were degraded, we'd at least have SOME data.  I don't
> know how to proceed with this issue.
> 
> Could you take a look at my ldm log from this AM after an ldm restart and
> comment on any oddities or make some suggestions?  One thing I don't
> understand is why windfall.evsc.virginia.edu is resetting.  There are also
> some RECLASS's occurring with motherlode but I think these are on NMC2
> data.  Other than that, our data seem to be arriving okay and I assume
> downstream sites are receiving okay.  I'll include my last exchange with
> Charlie below as well.
> 
>                                  Thanks.
> 
>                                    Art.
> Arthur A. Person
> Research Assistant, System Administrator
> Penn State Department of Meteorology
> email:  address@hidden, phone:  814-863-1563
> 
> 
> ldmd.log:
> 
> Aug 22 13:58:33 ldm rpc.ldmd[16393]: Starting Up (built: May 15 2001
> 13:54:44)
> Aug 22 13:58:33 ldm motherlode[16395]: run_requester: Starting Up:
> motherlode.ucar.edu
> Aug 22 13:58:33 ldm motherlode[16395]: run_requester: 20010822135720.440
> TS_ENDT {{DIFAX|FSL2|WMO,  ".*"},{NMC2|SPARE,  ".*"}}
> Aug 22 13:58:33 ldm sunshine[16396]: run_requester: Starting Up:
> sunshine.ssec.wisc.edu
> Aug 22 13:58:33 ldm unidata[16397]: run_requester: Starting Up:
> unidata.ssec.wisc.edu
> Aug 22 13:58:33 ldm striker[16398]: run_requester: Starting Up:
> striker.atmos.albany.edu
> Aug 22 13:58:33 ldm sunshine[16396]: run_requester: 20010822135718.071
> TS_ENDT {{NNEXRAD|FNEXRAD,  ".*"}}
> Aug 22 13:58:33 ldm pqbinstats[16394]: Starting Up (16393)
> Aug 22 13:58:33 ldm sunshine[16396]: FEEDME(sunshine.ssec.wisc.edu): OK
> Aug 22 13:58:33 ldm motherlode[16395]: FEEDME(motherlode.ucar.edu): OK
> Aug 22 13:58:34 ldm striker[16398]: run_requester: 20010822135437.231
> TS_ENDT {{NLDN,  ".*"}}
> Aug 22 13:58:34 ldm striker[16398]: FEEDME(striker.atmos.albany.edu): OK
> Aug 22 13:58:35 ldm ldm[16405]: Connection from ldm.meteo.psu.edu
> Aug 22 13:58:35 ldm ldm[16405]: Connection reset by peer
> Aug 22 13:58:35 ldm ldm[16405]: Exiting
> Aug 22 13:58:39 ldm unidata[16397]: run_requester: 20010822135009.100
> TS_ENDT {{MCIDAS,  ".*"}}
> Aug 22 13:58:39 ldm unidata[16397]: FEEDME(unidata.ssec.wisc.edu): OK
> Aug 22 13:58:48 ldm catena[16409]: Connection from catena.essc.psu.edu
> Aug 22 13:58:48 ldm catena(feed)[16409]: Starting Up: 20010822135720.440
> TS_ENDT {{WMO,  ".*"}}
> Aug 22 13:58:48 ldm catena(feed)[16409]: topo:  catena.essc.psu.edu WMO
> Aug 22 13:58:48 ldm ls1[16410]: Connection from ls1.meteo.psu.edu
> Aug 22 13:58:48 ldm ls1(feed)[16410]: Starting Up: 20010822135720.440
> TS_ENDT {{NNEXRAD|FNEXRAD|NMC2|FSL2|WMO|SPARE,  ".*"}}
> Aug 22 13:58:48 ldm ls1(feed)[16410]: topo:  ls1.meteo.psu.edu
> NNEXRAD|FNEXRAD|NMC2|FSL2|WMO|SPARE
> Aug 22 13:58:48 ldm thunder[16411]: Connection from
> thunder.msrc.sunysb.edu
> Aug 22 13:58:48 ldm thunder(feed)[16411]: Starting Up: 20010822135720.440
> TS_ENDT {{FSL2|UNIDATA,  ".*"},{NNEXRAD,
> "/p...(OKX|BOX|ENX|CCX|DOX)"},{HDS,  ".*"},{IDS|DDPLUS,  ".*"},{IDS|DDS,
> ".*"},{MCIDAS,  ".*"}}
> Aug 22 13:58:48 ldm thunder(feed)[16411]: topo:  thunder.msrc.sunysb.edu
> NNEXRAD|FSL2|UNIDATA
> Aug 22 13:59:01 ldm bob[16413]: Connection from bob.ems.psu.edu
> Aug 22 13:59:01 ldm bob(feed)[16413]: Starting Up: 20010822135720.440
> TS_ENDT {{DDPLUS,  ".*"}}
> Aug 22 13:59:01 ldm bob(feed)[16413]: topo:  bob.ems.psu.edu DDPLUS
> Aug 22 13:59:01 ldm navier[16414]: Connection from navier.meteo.psu.edu
> Aug 22 13:59:01 ldm navier(feed)[16414]: Starting Up: 20010822135720.440
> TS_ENDT {{DIFAX|WSI|NLDN|FSL2|MCIDAS|IDS|DDPLUS,  ".*"}}
> Aug 22 13:59:01 ldm navier(feed)[16414]: topo:  navier.meteo.psu.edu
> DIFAX|WSI|NLDN|FSL2|MCIDAS|IDS|DDPLUS
> Aug 22 13:59:03 ldm rossby[16415]: Connection from rossby.wcupa.edu
> Aug 22 13:59:03 ldm rossby(feed)[16415]: Starting Up: 20010822135720.440
> TS_ENDT {{MCIDAS,  "^pnga2area Q."},{DDPLUS,  ".*"},{HDS,
> "(^H)|(^[YZ].[QRA])|(^Y.[AI]... KWBH)"},{FSL2,  ".*"}}
> Aug 22 13:59:03 ldm rossby(feed)[16415]: topo:  rossby.wcupa.edu
> FSL2|MCIDAS|HDS|DDPLUS
> Aug 22 13:59:07 ldm cirrus[16416]: Connection from cirrus.lsc.vsc.edu
> Aug 22 13:59:07 ldm cirrus(feed)[16416]: Starting Up: 20010822135009.100
> TS_ENDT {{MCIDAS,  "^pnga2area Q[01]"}}
> Aug 22 13:59:07 ldm cirrus(feed)[16416]: topo:  cirrus.lsc.vsc.edu MCIDAS
> Aug 22 13:59:08 ldm windfall[16417]: Connection from
> windfall.evsc.Virginia.EDU
> Aug 22 13:59:08 ldm windfall(feed)[16417]: Starting Up: 20010822135720.440
> TS_ENDT {{HDS|DDPLUS,  ".*"},{MCIDAS,  "^pnga2area Q[01]"}}
> Aug 22 13:59:08 ldm windfall(feed)[16417]: topo:
> windfall.evsc.Virginia.EDU MCIDAS|HDS|DDPLUS
> Aug 22 13:59:10 ldm redwood[16418]: Connection from
> redwood.atmos.albany.edu
> Aug 22 13:59:10 ldm redwood(feed)[16418]: Starting Up: 20010822135706.841
> TS_ENDT {{NNEXRAD,  "/p...(ENX)"}}
> Aug 22 13:59:10 ldm redwood(feed)[16418]: topo:  redwood.atmos.albany.edu
> NNEXRAD
> Aug 22 13:59:24 ldm nora-f[16419]: Connection from nora-f.gsfc.nasa.gov
> Aug 22 13:59:24 ldm nora-f(feed)[16419]: Starting Up: 20010822131001.853
> TS_ENDT {{FSL2|UNIDATA,  ".*"}}
> Aug 22 13:59:24 ldm nora-f(feed)[16419]: topo:  nora-f.gsfc.nasa.gov
> FSL2|UNIDATA
> Aug 22 14:00:03 ldm rossby[16427]: Connection from rossby.wcupa.edu
> Aug 22 14:00:03 ldm rossby[16427]: Connection reset by peer
> Aug 22 14:00:03 ldm rossby[16427]: Exiting
> Aug 22 14:01:28 ldm sysu1[16448]: Connection from sysu1.wsicorp.com
> Aug 22 14:03:16 ldm sysu1[16448]: hiya: 20010822130316.298 TS_ENDT {{WSI,
> ".*"},{WSI,  ".*"}}
> Aug 22 14:03:16 ldm sysu1[16448]: Connection reset by peer
> Aug 22 14:03:16 ldm sysu1[16448]: Exiting
> Aug 22 14:06:32 ldm sysu1[16451]: Connection from sysu1.wsicorp.com
> Aug 22 14:08:22 ldm sysu1[16451]: hiya: 20010822130822.086 TS_ENDT {{WSI,
> ".*"},{WSI,  ".*"}}
> Aug 22 14:08:22 ldm sysu1[16451]: Connection reset by peer
> Aug 22 14:08:22 ldm sysu1[16451]: Exiting
> Aug 22 14:10:00 ldm windfall[16452]: Connection from
> windfall.evsc.Virginia.EDU
> Aug 22 14:10:00 ldm windfall[16452]: Connection reset by peer
> Aug 22 14:10:00 ldm windfall[16452]: Exiting
> Aug 22 14:11:35 ldm sysu1[16459]: Connection from sysu1.wsicorp.com
> Aug 22 14:13:42 ldm sysu1[16459]: hiya: 20010822131342.519 TS_ENDT {{WSI,
> ".*"},{WSI,  ".*"}}
> Aug 22 14:13:42 ldm sysu1[16459]: Connection reset by peer
> Aug 22 14:13:42 ldm sysu1[16459]: Exiting
> Aug 22 14:16:30 ldm sysu1[16463]: Connection from sysu1.wsicorp.com
> Aug 22 14:18:11 ldm sysu1[16463]: hiya: 20010822131811.903 TS_ENDT {{WSI,
> ".*"},{WSI,  ".*"}}
> Aug 22 14:18:11 ldm sysu1[16463]: Connection reset by peer
> Aug 22 14:18:11 ldm sysu1[16463]: Exiting
> Aug 22 14:20:01 ldm windfall[16470]: Connection from
> windfall.evsc.Virginia.EDU
> Aug 22 14:20:01 ldm windfall[16470]: Connection reset by peer
> Aug 22 14:20:01 ldm windfall[16470]: Exiting
> Aug 22 14:20:02 ldm rossby[16471]: Connection from rossby.wcupa.edu
> Aug 22 14:20:02 ldm rossby[16471]: Connection reset by peer
> Aug 22 14:20:02 ldm rossby[16471]: Exiting
> Aug 22 14:21:29 ldm sysu1[16472]: Connection from sysu1.wsicorp.com
> Aug 22 14:23:19 ldm sysu1[16472]: hiya: 20010822132319.437 TS_ENDT {{WSI,
> ".*"},{WSI,  ".*"}}
> Aug 22 14:23:19 ldm sysu1[16472]: Connection reset by peer
> Aug 22 14:23:19 ldm sysu1[16472]: Exiting
> Aug 22 14:26:29 ldm sysu1[16473]: Connection from sysu1.wsicorp.com
> Aug 22 14:28:12 ldm sysu1[16473]: hiya: 20010822132812.470 TS_ENDT {{WSI,
> ".*"},{WSI,  ".*"}}
> Aug 22 14:28:12 ldm sysu1[16473]: Connection reset by peer
> Aug 22 14:28:12 ldm sysu1[16473]: Exiting
> Aug 22 14:31:24 ldm sysu1[16507]: Connection from sysu1.wsicorp.com
> Aug 22 14:33:12 ldm sysu1[16507]: hiya: 20010822133312.546 TS_ENDT {{WSI,
> ".*"},{WSI,  ".*"}}
> Aug 22 14:33:12 ldm sysu1[16507]: Connection reset by peer
> Aug 22 14:33:12 ldm sysu1[16507]: Exiting
> Aug 22 14:36:28 ldm sysu1[16521]: Connection from sysu1.wsicorp.com
> Aug 22 14:38:28 ldm sysu1[16521]: hiya: 20010822133828.903 TS_ENDT {{WSI,
> ".*"},{WSI,  ".*"}}
> Aug 22 14:38:28 ldm sysu1[16521]: Connection reset by peer
> Aug 22 14:38:28 ldm sysu1[16521]: Exiting
> Aug 22 14:40:01 ldm rossby[16528]: Connection from rossby.wcupa.edu
> Aug 22 14:40:05 ldm rossby[16528]: Connection reset by peer
> Aug 22 14:40:05 ldm rossby[16528]: Exiting
> Aug 22 14:40:31 ldm thunder(feed)[16411]: YTRG55 KWBE 221200 /mETA_84:
> SHUTTING_DOWN
> Aug 22 14:40:31 ldm thunder(feed)[16411]: pq_sequence failed: Input/output
> error (errno = 5)
> Aug 22 14:40:31 ldm thunder(feed)[16411]: Exiting
> Aug 22 14:40:37 ldm rpc.ldmd[16393]: child 16411 exited with status 1
> Aug 22 14:40:38 ldm thunder[16529]: Connection from
> thunder.msrc.sunysb.edu
> Aug 22 14:40:38 ldm thunder(feed)[16529]: Starting Up: 20010822143812.367
> TS_ENDT {{FSL2|UNIDATA,  ".*"},{NNEXRAD,
> "/p...(OKX|BOX|ENX|CCX|DOX)"},{HDS,  ".*"},{IDS|DDPLUS,  ".*"},{IDS|DDS,
> ".*"},{MCIDAS,  ".*"}}
> Aug 22 14:40:38 ldm thunder(feed)[16529]: topo:  thunder.msrc.sunysb.edu
> NNEXRAD|FSL2|UNIDATA
> Aug 22 14:41:26 ldm sysu1[16531]: Connection from sysu1.wsicorp.com
> Aug 22 14:41:37 ldm thunder(feed)[16529]: h_clnt_call:
> thunder.msrc.sunysb.edu: BLKDATA: time elapsed  32.273433
> Aug 22 14:43:09 ldm sysu1[16531]: hiya: 20010822134309.400 TS_ENDT {{WSI,
> ".*"},{WSI,  ".*"}}
> Aug 22 14:43:09 ldm sysu1[16531]: Connection reset by peer
> Aug 22 14:43:09 ldm sysu1[16531]: Exiting
> Aug 22 14:46:25 ldm sysu1[16532]: Connection from sysu1.wsicorp.com
> Aug 22 14:48:19 ldm sysu1[16532]: hiya: 20010822134819.045 TS_ENDT {{WSI,
> ".*"},{WSI,  ".*"}}
> Aug 22 14:48:19 ldm sysu1[16532]: Connection reset by peer
> Aug 22 14:48:19 ldm sysu1[16532]: Exiting
> Aug 22 14:50:00 ldm windfall[16536]: Connection from
> windfall.evsc.Virginia.EDU
> Aug 22 14:50:00 ldm windfall[16536]: Connection reset by peer
> Aug 22 14:50:00 ldm windfall[16536]: Exiting
> Aug 22 14:51:01 ldm nora-f(feed)[16419]: h_clnt_call:
> nora-f.gsfc.nasa.gov: 1: time elapsed  44.925972
> Aug 22 14:51:23 ldm sysu1[16537]: Connection from sysu1.wsicorp.com
> Aug 22 14:53:19 ldm sysu1[16537]: hiya: 20010822135319.162 TS_ENDT {{WSI,
> ".*"},{WSI,  ".*"}}
> Aug 22 14:53:19 ldm sysu1[16537]: Connection reset by peer
> Aug 22 14:53:19 ldm sysu1[16537]: Exiting
> Aug 22 14:56:24 ldm sysu1[16538]: Connection from sysu1.wsicorp.com
> Aug 22 14:58:02 ldm sysu1[16538]: hiya: 20010822135802.230 TS_ENDT {{WSI,
> ".*"},{WSI,  ".*"}}
> Aug 22 14:58:02 ldm sysu1[16538]: Connection reset by peer
> Aug 22 14:58:02 ldm sysu1[16538]: Exiting
> Aug 22 14:59:11 ldm motherlode[16395]: RECLASS: 20010822135911.804 TS_ENDT
> {{DIFAX|FSL2|WMO,  ".*"},{NMC2|SPARE,  ".*"}}
> Aug 22 14:59:11 ldm motherlode[16395]: skipped: 20010822135810.146 (61.658
> seconds)
> Aug 22 15:00:03 ldm rossby[16541]: Connection from rossby.wcupa.edu
> Aug 22 15:00:03 ldm rossby[16541]: Connection reset by peer
> Aug 22 15:00:03 ldm rossby[16541]: Exiting
> Aug 22 15:00:19 ldm motherlode[16395]: RECLASS: 20010822140019.827 TS_ENDT
> {{DIFAX|FSL2|WMO,  ".*"},{NMC2|SPARE,  ".*"}}
> Aug 22 15:00:19 ldm motherlode[16395]: skipped: 20010822135915.320 (64.507
> seconds)
> Aug 22 15:01:20 ldm motherlode[16395]: RECLASS: 20010822140120.698 TS_ENDT
> {{DIFAX|FSL2|WMO,  ".*"},{NMC2|SPARE,  ".*"}}
> Aug 22 15:01:20 ldm motherlode[16395]: skipped: 20010822140020.494 (60.204
> seconds)
> Aug 22 15:01:24 ldm sysu1[16557]: Connection from sysu1.wsicorp.com
> Aug 22 15:02:49 ldm motherlode[16395]: RECLASS: 20010822140249.375 TS_ENDT
> {{DIFAX|FSL2|WMO,  ".*"},{NMC2|SPARE,  ".*"}}
> Aug 22 15:02:49 ldm motherlode[16395]: skipped: 20010822140146.578 (62.797
> seconds)
> Aug 22 15:02:54 ldm sunshine[16396]: Connection reset by peer
> Aug 22 15:02:54 ldm sunshine[16396]: Disconnect
> Aug 22 15:03:02 ldm sysu1[16557]: hiya: 20010822140302.687 TS_ENDT {{WSI,
> ".*"},{WSI,  ".*"}}
> Aug 22 15:03:02 ldm sysu1[16557]: Connection reset by peer
> Aug 22 15:03:02 ldm sysu1[16557]: Exiting
> Aug 22 15:03:08 ldm unidata[16397]: Connection reset by peer
> Aug 22 15:03:08 ldm unidata[16397]: Disconnect
> Aug 22 15:03:21 ldm thunder(feed)[16529]: SPCN41 CWAO 221458: RPC: Unable
> to receive (4)
> Aug 22 15:03:21 ldm thunder(feed)[16529]: pq_sequence failed: Input/output
> error (errno = 5)
> Aug 22 15:03:21 ldm thunder(feed)[16529]: Exiting
> Aug 22 15:03:24 ldm sunshine[16396]: run_requester: 20010822145856.512
> TS_ENDT {{NNEXRAD|FNEXRAD,  ".*"}}
> Aug 22 15:03:25 ldm sunshine[16396]: FEEDME(sunshine.ssec.wisc.edu): OK
> Aug 22 15:03:25 ldm sunshine[16396]: 31df8ac33d54bb7bd4120322d94989fb:
> never completed
> Aug 22 15:03:27 ldm rpc.ldmd[16393]: child 16529 exited with status 1
> Aug 22 15:03:30 ldm thunder[16558]: Connection from
> thunder.msrc.sunysb.edu
> Aug 22 15:03:30 ldm thunder(feed)[16558]: Starting Up: 20010822150040.919
> TS_ENDT {{FSL2|UNIDATA,  ".*"},{NNEXRAD,
> "/p...(OKX|BOX|ENX|CCX|DOX)"},{HDS,  ".*"},{IDS|DDPLUS,  ".*"},{IDS|DDS,
> ".*"},{MCIDAS,  ".*"}}
> Aug 22 15:03:30 ldm thunder(feed)[16558]: topo:  thunder.msrc.sunysb.edu
> NNEXRAD|FSL2|UNIDATA
> Aug 22 15:03:44 ldm unidata[16397]: run_requester: 20010822145009.085
> TS_ENDT {{MCIDAS,  ".*"}}
> Aug 22 15:03:44 ldm unidata[16397]: FEEDME(unidata.ssec.wisc.edu): OK
> Aug 22 15:04:20 ldm motherlode[16395]: RECLASS: 20010822140420.856 TS_ENDT
> {{DIFAX|FSL2|WMO,  ".*"},{NMC2|SPARE,  ".*"}}
> Aug 22 15:04:20 ldm motherlode[16395]: skipped: 20010822140320.022 (60.834
> seconds)
> Aug 22 15:05:21 ldm motherlode[16395]: RECLASS: 20010822140521.855 TS_ENDT
> {{DIFAX|FSL2|WMO,  ".*"},{NMC2|SPARE,  ".*"}}
> Aug 22 15:05:21 ldm motherlode[16395]: skipped: 20010822140420.919 (60.936
> seconds)
> Aug 22 15:05:49 ldm nora-f(feed)[16419]: h_clnt_call:
> nora-f.gsfc.nasa.gov: 1: time elapsed  25.617436
> Aug 22 15:06:24 ldm sysu1[16559]: Connection from sysu1.wsicorp.com
> Aug 22 15:07:11 ldm motherlode[16395]: RECLASS: 20010822140711.134 TS_ENDT
> {{DIFAX|FSL2|WMO,  ".*"},{NMC2|SPARE,  ".*"}}
> Aug 22 15:07:11 ldm motherlode[16395]: skipped: 20010822140610.650 (60.484
> seconds)
> Aug 22 15:08:12 ldm sysu1[16559]: hiya: 20010822140812.044 TS_ENDT {{WSI,
> ".*"},{WSI,  ".*"}}
> Aug 22 15:08:12 ldm sysu1[16559]: Connection reset by peer
> Aug 22 15:08:12 ldm sysu1[16559]: Exiting
> Aug 22 15:08:18 ldm motherlode[16395]: RECLASS: 20010822140818.513 TS_ENDT
> {{DIFAX|FSL2|WMO,  ".*"},{NMC2|SPARE,  ".*"}}
> Aug 22 15:08:18 ldm motherlode[16395]: skipped: 20010822140717.911 (60.602
> seconds)
> Aug 22 15:09:30 ldm motherlode[16395]: RECLASS: 20010822140930.597 TS_ENDT
> {{DIFAX|FSL2|WMO,  ".*"},{NMC2|SPARE,  ".*"}}
> Aug 22 15:09:30 ldm motherlode[16395]: skipped: 20010822140830.430 (60.167
> seconds)
> Aug 22 15:10:00 ldm windfall[16562]: Connection from
> windfall.evsc.Virginia.EDU
> Aug 22 15:10:00 ldm windfall[16562]: Connection reset by peer
> Aug 22 15:10:00 ldm windfall[16562]: Exiting
> 
> 
> Last exchange with address@hidden:
> 
> Art,
> 
> Our software is very susceptible to network congestion or slowness.
> If the Internet is bad, it will affect any process that is using it.
> 
> I do see that there appears to be a slowdown somewhere in the
> Pittsburgh area.  Actually, my "Traceroute" barely gets by it,
> and then gets stopped all together once in the PSC network.
> 
> I can ping/ldmping it, but nothing else.
> 
> Seems like something fishy over there.
> 
> 
> Charlie
> 
> 
> 
> traceroute to ldm.meteo.psu.edu (128.118.28.12), 30 hops max, 40 byte
> packets
>  1  rt-wsi-bbn (198.115.158.249)  3 ms  2 ms  2 ms
>  2  s3-0-0-22.cambridge1-cr20.bbnplanet.net (4.1.134.229)  6 ms  4 ms  6
> ms
>  3  p2-1.cambridge1-nbr1.bbnplanet.net (4.0.1.153)  5 ms  5 ms  4 ms
>  4  p3-0.cambridge1-nbr2.bbnplanet.net (4.0.5.18)  5 ms  5 ms  5 ms
>  5  p4-0.bstnma1-br1.bbnplanet.net (4.0.5.157)  5 ms  5 ms  5 ms
>  6  p9-0.nycmny1-nbr2.bbnplanet.net (4.24.6.50)  12 ms  11 ms  11 ms
>  7  p15-0.nycmny1-nbr1.bbnplanet.net (4.24.10.209)  12 ms  12 ms  12 ms
>  8  p1-0.nycmny1-br1.bbnplanet.net (4.24.10.82)  12 ms  11 ms  11 ms
>  9  p1-0.nycmny1-ba1.bbnplanet.net (4.24.6.230)  11 ms  13 ms  11 ms
> 10  a1-0.xnycmny4-uunet.bbnplanet.net (4.0.6.142)  12 ms  13 ms  18 ms
> 11  0.at-6-0-0.XL1.NYC9.ALTER.NET (152.63.18.222)  12 ms  14 ms  12 ms
> 12  0.so-7-0-0.XR2.NYC9.ALTER.NET (152.63.23.142)  12 ms  12 ms  12 ms
> 13  0.so-4-0-0.TR2.NYC9.ALTER.NET (152.63.15.182)  12 ms  12 ms  12 ms
> 14  125.at-6-0-0.TR2.DCA8.ALTER.NET (152.63.10.73)  17 ms  20 ms  19 ms
> 15  296.at-6-0-0.XR2.TCO1.ALTER.NET (152.63.32.217)  19 ms  18 ms  21 ms
> 16  192.ATM7-0.GW3.PIT1.ALTER.NET (152.63.37.5)  35 ms  23 ms  23 ms
> 17  * * *
> 18  penn-state-i1.psc.net (192.88.115.158)  32 ms  55 ms  51 ms
> 19  * * *
> 20  * * *
> 
> ] On Tue, 21 Aug 2001, Charles O'Brien wrote:
> ]
> ] > Hi Art,
> ] >
> ] > I, too, see this.  It started around 8pm yesterday.
> ] > I am not sure the problem.  I am able to connect, then I get an RPC
> time
> ] > out error from ldm.meteo.psu.edu.
> ] >
> ] > Last time a reboot of ldm.meteo.psu.edu cleared it up, right?  My
> ] > other clients are up and running.  Did anything change between 8-9pm
> over
> ] > there?
> ]
> ] Penn State had some network slowness due to partial internet
> connectivity
> ] loss through yesterday but that was resolved today.  Other than that, I
> ] don't know of any changes.  The students are back for Fall semester, so
> ] networks are more congested than over the summer.  I've seen this reset
> ] problem come-and-go frequently, however.  I think it happens over a
> ] shorter term sometimes so the problem is not as obvious as the last
> ] 24-hours.  I can stop and start my ldm, but I shouldn't have to do that,
> ] especially if this happens overnight or for short time periods.  I just
> ] did a ping sequence to sysu1.wsicorp.com and got a 4-10% packet loss
> with
> ] variable turn-around times of from 30-120msec indicating that the
> comodity
> ] networks are quite congested...  Is your software that pushes the data
> ] susceptible to network congestion or slowness?
> ]
> ]
> ]                                       Thanks.
> ]
> ]                                         Art.
> ]
> ] >
> ] > ] Charlie,
> ] > ]
> ] > ] sysu1.wsicorp.com is having trouble staying connected to
> ldm.meteo.psu.edu
> ] > ] again...  anything you can do to make this keep working?  I get
> repeating
> ] > ] errors as follows:
> ] > ]
> ] > ] Aug 21 18:31:34 ldm sysu1[14907]: Connection from sysu1.wsicorp.com
> ] > ] Aug 21 18:33:05 ldm sysu1[14907]: hiya: 20010821173305.099 TS_ENDT
> {{WSI,
> ] > ] ".*"},{WSI,  ".
> ] > ] *"}}
> ] > ] Aug 21 18:33:05 ldm sysu1[14907]: Connection reset by peer
> ] > ] Aug 21 18:33:05 ldm sysu1[14907]: Exiting
> ] > ]
> ] > ] No data since yesterday sometime.
> ] > ]
> ] > ]                                   Thanks.
> ] > ]
> ] > ]                                     Art.
> ] > ]
> ] > ] Arthur A. Person
> ] > ] Research Assistant, System Administrator
> ] > ] Penn State Department of Meteorology
> ] > ] email:  address@hidden, phone:  814-863-1563
> ] > ]
> ] >
> ] >
> ]
> ] Arthur A. Person
> ] Research Assistant, System Administrator
> ] Penn State Department of Meteorology
> ] email:  address@hidden, phone:  814-863-1563
> ]
> 

===============================================================================
Robb Kambic                                Unidata Program Center
Software Engineer III                      Univ. Corp for Atmospheric Research
address@hidden             WWW: http://www.unidata.ucar.edu/
===============================================================================