Re: Ahah, 4096 blocksize disk is not recognised under Linux?

[Michel <mi...@da...>]

On Don, 2003-01-09 at 10:33, Geert Uytterhoeven wrote:
> On 8 Jan 2003, Kulwant Bhogal wrote:
> > > If it's the RDSK partition code, we can probably fix it by looking at
> > > your RDB. You can extract the RDB by dumping the first 2 cylinders to a
> > > file: 
> > >   dd if=/dev/sdb of=rdb.dump bs=4k count=xxx
> > 
> > > Set `xxx' such that `xxx*4096' equals the number of bytes in the first 2
> > > cylinders of the disk (use HdToolBox to find out the cylinder size).
> > > Then sent us the output of `hexdump rdb.dump'.
> > 
> > OK, because I got a count of 615 blocks per cylinder, I used 
> > 615*2*4096=5,038,080 as the count. So the commandline I used was:
> > 
> > # dd if=/dev/sdb of=rdb.dump bs=4k count=5038080
                                 ^^^^^^^^^^^^^^^^^^^
> > 
> > After a few moments I got back: 
> > 
> > dd: /dev/sdb: Input/output error
> > 
> > ho hum.
> 
> Looks like the driver itself has problems.

Is the RDB really 20 gigs though? :)


-- 
Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer
XFree86 and DRI project member   /  CS student, Free Software enthusiast