Re: file I/O and block I/O

[Rene Herman <rene.herman@xxxxxxxxxxxx>]

On 14-05-08 14:38, Shreyansh Jain wrote:

> On 5/14/08, Sandeep K Sinha <sandeepksinha@xxxxxxxxx> wrote:

> >  Block I/O is the basic mechanism for DISK access using the SCSI
> >  protocol as the command set. Block I/O is fast and data can be
> >  transmitted in various block sizes like 2K, 4K, 8K, 16K, 64K, 128K,
> >  etc. Block I/O can be done over various transports. Parallel SCSI
> >  cables, copper fiber, optical fiber and even encapsulated and
> >  transmitted over IP networks.
> >  Block I/O is what is used to talk to DISKS.
> >  File I/O is what is used to talk to FILES.
>
> Is Block I/O necessarily a SCSI thing? I thought 'dd' command could be
> used for block I/O over devices like floppy, CDROM, and IDE device?
> Am I wrong?

No. My reply using that very example seems to be stuck in the queue 
again though. Love this list...

Rene.

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