[daip] setting up remote tape drive

[Emily Xanthopoulos]

Thank you very much Eric,

I will apply everything that you said and hope that it runs smoothly.

Have a good Christmas.

Emily



On Tue, 23 Dec 2003, Eric Greisen wrote:

> Emily Xanthopoulos writes:
> 
>  > I have a linux machine with RedHat9 and I very smoothly installed the 
>  > newest version 31dec04 of aips. However, I need to use a remote tape drive 
>  > to read my data for DDS-1 DAT tapes from inside aips.
>  > 
>  > I followed the steps that you give in the AIPS Managers' Questions section 
>  > but still can not make a connection. I will describe exactly what I did 
>  > following your instructions and maybe you can tell me where I go wrong.
> 
> Unfortunately, that section left out one fundamental point (so well
> understood by its author that he forgot and I will fix it) - there has
> to be an aips installation for the computer architecture that is to
> run the remote tape daemons (called TPMON).  I will add comments below
> 
>  > 
>  > 
>  > My machine is "floria" and I have aips root as: /home/exanthop/aips
>  > The remore machince is a SPARC5 with Solaris 2.6 and its name "blackfoot".
>  > 
>  > I follow the numbering in your steps in the webpage:
>  > 
>  > 1. I logon (ssh) to Blackfoot so I have the root area /home/exanthop/aips
>  > 2. I make an entry from floria to the HOSTS.LIST file for Blackfoot puting
>  > "+ Blackfoot SUN' as a new line
> 
>         You would want to call it SUL for Solaris Ultra - SUN means
> the old pre-solaris Suns.  The SITE name column MUST be different than
> the one used for Linux - the two architectures are incompatible.  We
> use NRAOAOC for Suns and COAOARN for Linux since bytes are backwards
> (in binary numbers on Intel).
> 
>  > 3. I create in floria in /home/exanthop/aips/DA00 a directory called 
>  > BLACKFOOT. Then I copy in it all the files from my 
>  > /home/exanthop/aips/DA00/FLORIA (Question: can that be a mistake since 
>  > FLORIA is LINUX or am I OK?)
> 
>        This is NOT okay - they are binary files - see below
> 
>  > 4. Now this step I am not sure:
> 
>        What you now need to do is install aips for Solaris.  Note that
> it is not necessary to install it all if you don't want to but you
> have to go far enough that it may be easier to do it all.  Do the
> following.
> 
> cd
> mv .AIPSRC .AIPSRC.Linux
> ssh blackfoot                 - you must be on the Solaris box
> cd $AIPS_ROOT
> perl install.pl               - you are architecture SUL and the tar
>                                 ball has already been unpacked.
>                                 Note that SUL and LINUX can share all
> the source code areas and have separate binary areas in the same
> directory tree, so long as they both mount that tree of ccourse.
> The important parts of INSTEP2 are APLSUB and APLGEN and of INSTEP4
> are AIPNOT.
> 
>  > 
>  > It says create 31Dec04/SOL/LOAD (I am not sure about the SOL) and put in 
>  > the appropriate version of TPMON.EXE (I could not find that from the aips 
>  > ftp site and it has to be the appropriate for SPARC5 and for the 31dec04 
>  > version -> so I copied the one that I had from Linux from 
>  > /aips/31DEC04/LINUX/LOAD (my directory). And where do I actually create 
>  > this directory (I did it in floria in the aips/31DEC04 directory that I 
>  > had).
> 
>      Again the Linux one is a LInux one - it is of no use on Solaris
> 
>  > 
>  > Where do I create then:
> 
>     The cd puts you in the right directory (should be
> 31DEC04/SUL/LOAD) for the link file creation and TPMON.EXE should be
> there too.  install.pl will do some of this and I do not think you
> have to create the link files by hand either.
> 
>  > 
>  > cd 31DEC04/SOL/LOAD 
>  > ln TPMON.EXE TPMON1
>  > ln TPMON.EXE TPMON2
>  > 
>  > 
>  > links? (I mean in which file?)  - (I actually put them in the LOGIN.CSH 
>  > file but I am not sure that that is correct and I keep getting that the 
>  > two links are already there).
>  > 
>  > Then in Blackfoot I run: source LOGIN.CSH
>  > and in floria: source LOGIN.SH
>  > 
>  > and when I run: START_TPSERVERS -d in floria it says:
>  > 
>  > STARTPMON: [FLORIA] verbose comments enabled
>  > STARTPMON: [FLORIA] need 1 daemons...
>  > STARTPMON: [FLORIA] 1 daemons alive
>  > STARTPMON: [FLORIA] LINUX/TPMON1 is a valid link to TPMON.EXE
>  > STARTPMON: [FLORIA] TPMON1 is already running
> 
>    The essential point here is that TPMON must be running on
> blackfoot, not floria.  The aips command will start TPMON on floria
> just for general principles.  To start it also on blackfoot for
> debugging log in to blackfoot and do the source or dot LOGIN business
> and the START_TPSERVERS -d.  Normally, one hopes that
> 
>          aips tp=blackfoot
> 
> on floria will start the TPMON servers on blackfoot but that depends
> on ssh communications working and may or may not be reliable.
> 
>  > 
>  > But still when I go  into aips and try to mount the tape that I have in 
>  > the remote tape drive it gives me the error message:
>  > 
>  > ZVTPO2 connect (INET): Connection refused
> 
> I assume you have REMHOST set to blackfoot - this then means that
> TPMON was not running on blackfoot (not suprising given what you have
> said above).
> 
>  > AIPS 1: ZMOUNR: UNABLE TO OPEN SOCKET TO REMOTE MACHINE, ERROR    1
>  > AIPS 1: ZMOUNT: ERROR     1 RETURNED BY ZMOUN2/ZMOUNR
>  > AIPS 1: TAPE PROBLEM
>  > 
>  > (and the tape is definitely OK).
>  > 
>  > 
>  > Note: also when I tried to run START_TPSERVERS in Blackfoot it gives a 
>  > fatal error and kills everything.
> 
> as it should.
> 
> Now to go edit web pages....
> 
> Cheers,
> 
> Eric Greisen
> 

-- 
Dr. Emily Xanthopoulos
Larwrence Livermore National Laboratory
Institute of Geophysics & Planetary Physics L-413
7000 East Ave., Livermore, CA 94550-9234

E-mail: exanthop at igpp.ucllnl.org
Office phone: (925) 423 0748
Lab fax: (925) 423 0238
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