[daip] aips tape write error

[Janet Shaw]

hi, i'm trying to track down the cause of the following problem. would
you have any suggestions? the possibility of a bad exabyte tape has
been ruled out. any ideas? 
thanks, janet


>   Okay, I tested the AIPS tape writing again and there is definitely 
> something wrong with writing to the exabyte (unless by some fluke my 
> exabyte is bad, but I don't at the moment have another one to test this on). 
> I am able to read from exabyte and I am able to read to and write from 
> DAT, but I don't seem to be able to write to the exabyte. I get the error:
> 
> skippe> FITTP1: ZTPWAT: ERROR   5 FOR LUN = 31 IBUFF = 1 TO TAPE
> skippe> FITTP1: ZERROR: IN ZTPWA2 ERRNO = 5 (I/O error)
> skippe> FITTP1: This usually means unexpected BEGINNING-OF-TAPE
> skippe> FITTP1: TAPIO: ERROR   5  WRITING FILE
> skippe> FITTP1: ERROR WRITING UV BINARY DATA TO TAPE:      5
> skippe> FITTP1: Appears to have ended successfully
> 
> If I don't try to write at the end of the tape or:
> 
> skippe> FITTP1: skipper      15OCT99 TST: Cpu=       0.1  Real=       2
> skippe> FITTP1: Task FITTP  (release of 15OCT99) begins
> skippe> FITTP1: Writing to tape drive number   1
> skippe> FITTP1: Advancing tape to end-of-information
> skippe> FITTP1: ZTAPE: LUN 31 BEG.TAPE AT   1 OP OF AEOI/AEOI SYS ERR 
> CODE 0000
> skippe> FITTP1: Purports to die of UNNATURAL causes
> skippe> FITTP1: skipper      15OCT99 TST: Cpu=       0.0  Real=       2
> 
> if I do try to write to EOT. There is nothing on this tape so I would 
> think that either of these would work. 
> 


-- 
Janet Shaw                                  University of Colorado
Center for Astrophysics & Space Astronomy   Campus Box 389 
Unix Systems Administration                 Boulder, Colorado 80309-0389
Internet: jes at casa.Colorado.EDU             303-492-4058 voice/303-473-6547 page
Pager Email: jes-page at casa.Colorado.EDU