[daip] Y2KL test

Alice Argon alice at cfa.harvard.edu
Fri Feb 23 12:58:19 EST 2007


Hello Eric,


Our old file system: Default, factory installed DOS (which failed).
  "  new  "     "   : Journaled HFS+                 (works fine now).

Also, I noticed that the current record AIPSMark(00) on your web page is
listed as 220.  We've gotten a couple over 300, which may be of interest:

1.  using 31DEC2006 AIPS, AP=20
     Machine:  xeon 2 dual 64 bit processor
     Specs:    Speed: 3.0 GHz, Mem: 2.0 GB, Cache: 4096 Kb
     Compiler: intel
     Op. sys:  Enterprise.....................................AIPSMark(00) = 313

2.  using 31DEC2005 AIPS, AP=81
     Machine:  xeon 2 dual 64 bit processor
     Specs:    Speed: 3.0 GHz, Mem: 4.0 GB, Cache: 4096 Kb
     Compiler: g77 2.95 dynamic link
     Op. sys:  Enterprise.....................................AIPSMark(00) = 320

Thanks,
  Alice Argon



On Thu, 22 Feb 2007, Eric Greisen wrote:

> This is the second report of this problem on a Mac (the other did not
> mention the nature of the disk).  I think you need to look at what
> sort of file system is on the disk and what the OS will support for
> it.  We do a standard rename operation that is supposed to work on all
> compliant OS.  Apparently it does not work on some file systems (DOS
> based?).
>
> This is an OS problem not an aips problem - we use rename to update a
> file by writing a new one and then, if that works okay, deleting the
> old and renaming the scratch.  It is a safety thing but rename has to
> work as the error messages have told you.
>
> Let me know what the solution turns out to be (Craig has used firewire
> on his machines with no apparent problem of this sort).
>
> Eric Greisen
>




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