[ltp] cloning 14G drives
James M. Corey
Wed, 24 Nov 1999 10:51:47 -0800 (PST)
I just cloned a 9G drive with
dd if=/dev/sda of=/dev/sdb
So I know it works. I booted the other drive and was able to
read and write the many partitions fine. (I didn't even bother
umounting anything, just let it fsck when it came up. Sick! :)
That was on a redhat 6.0 system, though I doubt it's relevant.
You might consider bs=512 or whatever appropriate for your drive...
Seems like I hear a lot of suffering associated with 14G drives. I
wonder if there is a particular model that just sucks w.r.t. linux?
These two drives: are they identical models?
On Wed, 24 Nov 1999, Mark Kennedy wrote:
> Rob Mayoff wrote:
> > | sorry - belay that. i did the same thing with a blocksize of 1k
> > | against a 2nd 14G disk (/dev/hdc), not against /dev/null. hmm....
> > The blocksize shouldn't matter. Did you put with "hdc=1826,240,63" on
> > the linux boot command line? You need to specify BOTH drives'
> > geometries if they are both 14 GB.
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> i'm old and tired (4 kids and a 4 hour daily commute to work) and lack the
> eagle eye of a true kernel hacker but, yes, i entered a CHS geometry for both
> /dev/hda and /dev/hdc when i tried the two disk experiment.
> but the problem isn't due to the 2nd disk at all.
> last night on the train ride home i tried chris schuman's
> "dd if=/dev/hda of=/dev/null bs=1M" experiment and again it only
> copied half the disk. i specify the correct CHS geometry in lilo.conf
> and and can confirm from /var/log/message that is consumed correctly).
> so there has to be a BIOS version problem or a kernel version problem.
> i'm using a v2.2.10 kernel. i don't know what BIOS versions are
> available nor do i know how to name mine. my thinkpad is
> a 770Z.
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