[daip] Re: Troubles reading DAT

[Josh Winn]

Hi Eric,

I am running the 31DEC05 AIPS on a Sun workstation (a SunBlade 100).

Your suspicion seems to be correct, because when FITLD crashes, the disk
file is just over 2 Gb.

Is this fixable under Solaris?

Josh


On Mon, 25 Jul 2005, Eric Greisen wrote:

> Data Analysts writes:
>  >
>  > ----- Begin Included Message -----
>  >
>  > > > I am trying to read the data from projects BW076 and BW079 using FITLD.
>  > > > The data are on the DAT distribution tapes that were sent to me by NRAO.
>  > > > Most of the time I try it, FITLD crashes with a weird error message about
>  > > > a parity error.  The latest time I tried it, for BW076, it crashed with
>  > > > the error message
>  > > >
>  > > >
>  > > > FITLD1 12:52:45 ZEXPND: EXPANSION FAILED ON FILE DA02:UVD00I001.1PM;
>  > > > NREC = 149351
>  > > > FITLD1 12:52:45 ZERROR: ON FILE DA02:UVD00I001.1PM;
>  > > > FITLD1 12:52:45 ZERROR: IN ZEXPN2 ERRNO = 27 (File too large)
>  > > > FITLD1 12:52:45 FILE EXPANSION FAILED - QUITTING
>  > > >
>  > > > The file in question is indeed larger than the average - the note
>  > > > that was slipped into the DAT case says that the file is 374 Mb.
>  > > > The next largest file that was successfully read was 348 Mb.
>  > > >
>  > > > Any ideas what is wrong?
>  > > >
>
> i suspect that (1) you are concatenating the data files and that this
> message refers to the concatenated file and (2) your version of aips
> or your operating system has not been compiled to allow files larger
> than 2 Gbytes.  This ERRNO refers to that error, not to being out of
> disk.  So, what I am saying is that the same error will occur when you
> concatenate the disk files.
>
> What version of aips are you running and on what computer and
> operating system version?  We have compiled for > 2 Gbytes
> for a long time by default.
>
> Eric Greisen
>