Reading Unpartitoned Raw Disks w/ Gnat and SunOS 5.6

Reading Unpartitoned Raw Disks w/ Gnat and SunOS 5.6

[Jack W. Sharer]

I have two disks that were striped with data by others.  These disks are "raw";
no partitions, no file structure.  I would like to process the data on them
using Gnat Ada on a Sun Sparc running SunOS 5.6.  How do I read this data?

The disks show in the tree as /dev/rdsk/c0t3d0s0
                                       . . .         s1
                                       . . .         ...
                                       . . .         s7
and
                                 /dev/rdsk/c0t4d0s0
                                       . . .         s1
                                       . . .         ...
                                       . . .         s7

Thanks for  your help, Jack Sharer, JSharer@psu.edu

Re: Reading Unpartitoned Raw Disks w/ Gnat and SunOS 5.6

[Robert Dewar]

In article <7jh0j7$18ha@r02n01.cac.psu.edu>,
  JSharer@psu.edu (Jack W. Sharer) wrote:
> I have two disks that were striped with data by others.  These
disks are "raw";
> no partitions, no file structure.  I would like to process the
data on them
> using Gnat Ada on a Sun Sparc running SunOS 5.6.  How do I
read this data?
>
> The disks show in the tree as /dev/rdsk/c0t3d0s0
>                                        . . .         s1
>                                        . . .         ...
>                                        . . .         s7
> and
>                                  /dev/rdsk/c0t4d0s0
>                                        . . .         s1
>                                        . . .         ...
>                                        . . .         s7
>
> Thanks for  your help, Jack Sharer, JSharer@psu.edu


This is not even vaguely an Ada question, but rather an
operating system question, what devices and drivers do you
have to read these disks, and how are the drivers accessed?
Once these questions are answered, programming the necessary
binding in Ada is likely trivial.


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Re: Reading Unpartitoned Raw Disks w/ Gnat and SunOS 5.6

[Tarjei Tj�stheim Jensen]

Jack W. Sharer wrote in message <7jh0j7$18ha@r02n01.cac.psu.edu>...
>I have two disks that were striped with data by others.  These disks are
"raw";
>no partitions, no file structure.  I would like to process the data on them
>using Gnat Ada on a Sun Sparc running SunOS 5.6.  How do I read this data?
>
>The disks show in the tree as /dev/rdsk/c0t3d0s0
>                                       . . .         s1
>                                       . . .         ...
>                                       . . .         s7
>and
>                                 /dev/rdsk/c0t4d0s0
>                                       . . .         s1
>                                       . . .         ...
>                                       . . .         s7


You probably need to read up on the read() system call. That should give you a
clue.

I'm sure you could also use streams to read the disks.

The striping is something you will have to work out for yourself.

Greetings,