[daip] AIPS problem accessing data

Jose Afonso jafonso at oal.ul.pt
Mon Mar 30 19:04:08 EDT 2009


Hi Eric,

The RESTORE 0 worked!!! I guess the file had really become messed up 
with the disk access problem.

I am checking the data files and all seems to be working well.

Many thanks! I am again in your debt!

Jose Afonso

Eric Greisen wrote:
> Jose Afonso wrote:
>> Dear DAIP (Eric?),
>>
>> I am currently facing a problem with accessing my data with AIPS. I 
>> have installed 31DEC08 version (still to upgrade to current one), and 
>> everything has been working fine until last week, when the access to 
>> one of the data disks had some problems. AIPS started reporting that 
>> the filesystem was read-only, and I traced this back to a problem 
>> with a sata disk connection.
>>
>> (log messages showed something like:
>> Mar 27 15:39:26 midas kernel: [286861.009348] ata5: port is slow to 
>> respond, ple
>> ase be patient (Status 0xd0)
>> Mar 27 15:39:31 midas kernel: [286865.992112] ata5: device not ready 
>> (errno=-16)
>> , forcing hardreset
>> Mar 27 15:39:31 midas kernel: [286865.992117] ata5: soft resetting link
>> Mar 27 15:39:31 midas kernel: [286866.181041] ata5.00: configured for 
>> UDMA/33
>> Mar 27 15:39:31 midas kernel: [286866.181057] ata5: EH complete
>> )
>>
>> The local system manager had a look and found some connection error 
>> that seems to be solved now. However, when trying to access my many 
>> data files with AIPS I now get (example):
>>
>>  >ind 2
>> AIPS 1: PROTECTED!
>>  >pcat
>> AIPS 1: Catalog on disk  1
>> AIPS 1:  Cat Usid Mapname      Class   Seq  Pt     Last access      Stat
>>  >help
>> AIPS 1: ZDIR: COULD NOT TRANSLATE LOGICAL =
>> AIPS 1: ZDIR:
>> AIPS 1: ZTXMAT ERROR =      2
>> AIPS 1: SYNTAX!
>>  >free
>> AIPS 1: Disk Volume name              Total Full       Free Timd Access
>> AIPS 1:  #                           blocks    %     blocks days
>> AIPS 1:  1  <2/aips/DATA/MIDAS_1  240362688    2  233945184  365 Alluser
>> AIPS 1:  2  <1/aips/DATA/MIDAS_1  240348400   23  184081824  365 Alluser
>> AIPS 1:  3  <2/aips/DATA/MIDAS_2  240362688    2  233945184  365 Alluser
>> AIPS 1:  4  <1/aips/DATA/MIDAS_2  240348400   23  184081824  365 Alluser
>>
>> (the data areas above are correct, I just don't seem to be able to 
>> read anything on them...)
>>
>> perhaps the disk problems when I last exited AIPS created some file 
>> that has now not recognizing me as a permitted user...? The user 
>> number I am using is the same as before, 2. If I use "3", a 
>> previously unused user, then everything works fine:
>>  >pcat
>> AIPS 1: Catalog on disk  1
>> AIPS 1:  Cat Usid Mapname      Class   Seq  Pt     Last access      Stat
>> AIPS 1: Catalog on disk  2
>> AIPS 1:  Cat Usid Mapname      Class   Seq  Pt     Last access      Stat
>> AIPS 1: Catalog on disk  3
>> AIPS 1:  Cat Usid Mapname      Class   Seq  Pt     Last access      Stat
>> AIPS 1: Catalog on disk  4
>> AIPS 1:  Cat Usid Mapname      Class   Seq  Pt     Last access      Stat
>> etc...
>>
>> so the problem seems to affect only user 2 (was actually the only 
>> user with files on this machine) and not new users.
>>
>> I would very much appreciate any help you may offer on this - seems 
>> an easy problem, but outside my low-level understanding of AIPS 
>> workings...
>
> I suspect that your saved POPS vocabulary has been compromised.  The 
> first thing to try after starting up as user 2 is to say RESTORE 0.
> This resets the full POPS vocabulary.  I do not understand the 
> protected message but the adverb VERSION is used for INP etc and 
> appears to contain something unprintable.  Try the RESTORE 0 or if 
> that fails try deleting in the first data area files SG*.002\;.
>
> Eric Greisen


-- 

Jose Manuel Afonso
Observatorio Astronomico de Lisboa
Tapada da Ajuda, 1349-018 Lisboa
Tel: +351 21 361 67 45/30 Fax: +351 21 361 67 52
Email: jafonso at oal.ul.pt
Webpage: http://www.oal.ul.pt/~jafonso





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