[daip] adding DAT tape drive to AIPS

[marrj at union.edu]

Thank you to you both for your helpful replies.

Jon

Quoting Patrick P Murphy <pmurphy at nrao.edu>:

> On Wed, 30 Mar 2005 09:41:40 -0700, Eric Greisen <egreisen at nrao.edu>
>    said:
> 
> > marrj at union.edu writes:
> 
> >> I am about to buy a DAT tape drive (HP DAT 40--compatible with
> >> DDS2,3,&4), to put onto my AIPS (on a linux machine).
> 
> > I was going to suggest the AIPS Manager FAQ page but even it says
> > little:
> 
> > Edit the file
> 
> > $AIPS_ROOT/DA00/TPDEVS.LIST
> 
> > A typical entry from our file is
> 
> > ALCOR      /dev/nst0         Exabyte 8500 (dual density)
> > ALCOR      /dev/nst1         DAT
> 
> > where ALCOR is the host name to which the tape device is attached.
> 
> > The operating system tells AIPS software what type of device it is and
> > AIPS should be able to handle things just fine.  Of course, your Linux
> > must have the right driver for the device and that can sometimes be a
> > problem - Linux is often behind the development of new devices.
> 
> I would strongly recommend making sure you get a SCSI based tape unit
> which may require getting a SCSI card.  A quick glance at one of our
> high end linux systems that has DDS tape drives shows it has both an
> Adaptec 29160 Ultra160 and Adaptec aic7892 Ultra160 adapter (one is used
> for disk, one for tape, just to keep the data paths more efficient).
> 
> It is possible to get a DDS drive for a PC without it being SCSI, but I
> don't think anyone at NRAO has done this.  SCSI for tapes is the way
> that seems to work well for us.
> 
> Hope this helps.
> 				- Pat
> --
>  Patrick P. Murphy, Ph.D.              Division Head, CV Computing, NRAO
>  NRAO Computer Security Manager        Head, NRAO Webadmin Working Group
>  Home: http://goof.com/~pmurphy/     Work: http://www.nrao.edu/~pmurphy/
>  "Linux is Inevitable."  "Why?" "Because it's alive!" - John MadDog Hall
> 




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