On Thu, Sep 20, 2001 at 01:33:48PM -0400, Sean Murphy wrote:
> I have a scsi device defined with no partitions. I am able to open the
> device
> successfully by giving fp = open("/dev/sda",...) however when I do a read
> on
> fp the driver code doesn't get invoked.
Which driver code? The SCSI disk driver code and the SCSI card driver
code should be invoked.
> I guess I have to do something before I can access the device. Can anyone
> tell me what is that I have to do to be able to access the device ?
Just open() it, that's enough. Remember the UNIX rule: everything is a
file.
> Do I have to mount the device after making a file system?
Not necessarily, but in order to use the filesystem you have. You could
also fsck the filesystem, for example.
Erik
--
J.A.K. (Erik) Mouw, Information and Communication Theory Group, Department
of Electrical Engineering, Faculty of Information Technology and Systems,
Delft University of Technology, PO BOX 5031, 2600 GA Delft, The Netherlands
Phone: +31-15-2783635 Fax: +31-15-2781843 Email: J.A.K.Mouw@its.tudelft.nl
WWW: http://www-ict.its.tudelft.nl/~erik/
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