[plug] "dd" question

[Adrian Woodley]

But RAID is so sexy! :) Its pretty easy to setup and when its done you get this
warm glow inside that means you've done something above the norm. If you're
running Debian, read James RAID Howto
(http://www.james.rcpt.to/programs/debian/raid1/).

Regards,
Adrian Woodley
Diskworld Computer & IT
www.Diskworld.com.au

Australian Linux Conference, Perth 2003
http://www.linux.conf.au/


Quoting "Steege, Phil E" <phil.e.steege at lmco.com>:

> I want to "clone" my hard drive to a spare hard drive, of equal size.
> This was cheaper than going out and paying for a tape drive that could
> handle 40GB disks.
> 
> The dd command man page says there are different block sizes.  Which block
> size (bs) quantity is right for Linux.
> I was going to use the following command " dd if=/dev/had of=/dev/hdb bs=512
> ".
> Would that be correct ?
> 
> I thought about RAID (software raid) using a mirror (raid 1) configuration,
> but I have no experience with RAID.
> I figured I would just run a nightly cron job with the dd command.
> 
> Phil
> 
>