[daip] lost file names using FITAB and FITLD

[Eric Greisen]

Mark Reid wrote:
> Eric Greisen wrote:
>> Mark Reid wrote:
>>> Dear AIPSers:
>>>
>>>     Occasionally I find the following problem.  I write a FITS tape 
>>> with multiple files, usually UV and MA files, with FITAB.   Some time 
>>> later I read the tape back using FITLD and some of the file names are 
>>> lost.  A recent tape yielded the following:
>>>
>>> AIPS 2: Catalog on disk  2
>>> AIPS 2:  Cat Usid Mapname      Class   Seq  Pt     Last access      Stat
>>> AIPS 2:    1  501 2005OCT20-A .GEODAT.    1 UV 03-APR-2009 13:34:25
>>> AIPS 2:    2  501 NO NAME     .UVDATA.    1 UV 03-APR-2009 13:37:59
>>> AIPS 2:    3  501 NO NAME     .UVDATA.    2 UV 03-APR-2009 13:57:52
>>> AIPS 2:    4  501 NO NAME     .UVDATA.    3 UV 03-APR-2009 13:58:01
>>> AIPS 2:    5  501 NO NAME     .UVDATA.    4 UV 03-APR-2009 13:58:06
>>> AIPS 2:    6  501 NO NAME     .UVDATA.    5 UV 03-APR-2009 14:15:13
>>>
>>> Any idea what went wrong or how to circumvent the problem?
>> A question before I start digging - do you write the tape in one go with 
>> FITAB or multiple executions? 
> 
>    It was a while ago, but probably with multiple executions.  Actually, 
> since the first file was on disk 1, and the others on disk 2, I probably 
> wrote the first and then the others in a separate job.
> 
>> And do you read it in one go or multiple 
>> executions of FITLD?
> 
>    I read it in one go.
> 
>> And is it always this pattern - where the first name is recovered and 
>> the later ones lost?
> 
>    Sorry I can't remember back to the last time this happened.  I only 
> remember seeing this before.

I have found the problem - it seems to have lost the names and sort 
orders but not mush else.  Tomorrow's MNJ should fix it in 31DEC09.

Eric Greisen