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20040920:LDM failover
- Subject: 20040920:LDM failover
- Date: Mon, 20 Sep 2004 10:26:19 -0600 (MDT)
Hi David,
> request DDPLUS|IDS ".*" atm.geo.nsf.gov PRIMARY
> request HDS ".*" atm.geo.nsf.gov PRIMARY
> request DDPLUS|IDS ".*" chisel.rap.ucar.edu ALTERNATE
> request HDS ".*" chisel.rap.ucar.edu ALTERNATE
Given this configuration, if atm goes down..as it is currently, you
~should be getting the feed from chisel.
Cheers,
Jeff
---------------------------------------------------------------------
Jeff Weber address@hidden :
Unidata Program Center PH:303-497-8676 :
University Corp for Atmospheric Research 3300 Mitchell Ln :
http://www.unidata.ucar.edu/staff/jweber Boulder,Co 80307-3000 :
---------------------------------------------------------------------
On Mon, 20 Sep 2004, Unidata Support wrote:
>
> ------- Forwarded Message
>
> >To: Unidata Support <address@hidden>
> >cc: address@hidden
> >From: David Yeung <address@hidden>
> >Subject: Re: 20040919: Failed to connect to atm.geo.nsf.gov
> >Organization: UCAR/Unidata
> >Keywords: 200409201152.i8KBqGnJ006246
>
> Sorry, I should have received your email regarding the inaccessible of
> the host.
> I have just overlooked it. But I have another question, here is my ldmd.conf
>
> request DDPLUS|IDS ".*" atm.geo.nsf.gov PRIMARY
> request HDS ".*" atm.geo.nsf.gov PRIMARY
> request DDPLUS|IDS ".*" chisel.rap.ucar.edu ALTERNATE
> request HDS ".*" chisel.rap.ucar.edu ALTERNATE
>
> When atm.geo.nsf.gov goes down, will the ldm automatically switch to
> chisel.rap.ucar.edu? I am running LDM 6.0.14.
>
> Thanks
>
> David Yeung
> Hong Kong University of Science & Technology
>
>
> Unidata Support wrote:
>
> >>From: David Yeung <address@hidden>
> >>Organization: Hong Kong University of Science & Technology
> >>Keywords: 200409190645.i8J6jvnJ006933 IDD
> >>
> >>
> >
> >Hi David,
> >
> >
> >
> >>We are not able to get LDM feed from atm.geo.nsf.gov
> >>since around 09/19 00:00 UTC, and we are not even able to ping
> >>that host. Is there any problem in the atm.geo.nsf.gov?
> >>
> >>
> >
> >Yes, atm became inaccessible at approximately 8:30 Saturday morning.
> >A quick check shows that it remains inaccessible now.
> >
> >At about 9 am yesterday, I sent out a note to the ldm-users email list
> >to failover to alternate feed sites. Here is the text:
> >
> > From address@hidden Sat Sep 18 08:57:21 2004
> > To: address@hidden
> > Subject: 20040918: IDD top level relay node atm.geo.nsf.gov down
> > Date: Sat, 18 Sep 2004 08:57:20 -0600
> >
> > >From: Unidata User Support <address@hidden>
> > >Organization: Unidata Program Center/UCAR
> > >Keywords: IDD atm failover
> >
> > IDD sites feeding off of atm.geo.nsf.gov:
> >
> > The top level IDD relay node atm.geo.nsf.gov is currently inaccessible.
> > If you feed from atm, please switch to feed from your failover.
> >
> > If your failover site is inaccessible, please failover to one of the
> > following machines using the preferance order listed:
> >
> > IDD relay node datastreams available
> > --------------------------+----------------------------
> > emo.unidata.ucar.edu all non-restricted feeds
> > oliver.unidata.ucar.edu all non-restricted feeds
> > unidata2.ssec.wisc.edu IDS|DDPLUS, HDS, FSL2, UNIWISC, NNEXRAD, FNEXRAD
> > thelma.ucar.edu all non-restricted feeds
> >
> > We will send an email when we believe that it is safe to fail back
> > to atm.
> >
> > Tom Yoksas
> >
> >Since I see that you are subscribed to the ldm-users email list under
> >address@hidden, you should have received the message. Did you not
> >receive the notice to failover? If so, we will have to figure out why
> >the email did not get through to you.
> >
> >
> >
> >>Regards
> >>David Yeung
> >>Hong Kong University of Science & Technology
> >>
> >>
> >
> >Cheers,
> >
> >Tom Yoksas
> >--
> >NOTE: All email exchanges with Unidata User Support are recorded in the
> >Unidata inquiry tracking system and then made publicly available
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> >
> >
>
> --
> NOTE: All email exchanges with Unidata User Support are recorded in the
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> ------- End of Forwarded Message
>