rsync - Dec 2006 - Rsync to spare disk

Hello

I have an main disk (operating sistem) and an spare disk for backup.
Is it possible with rsinc command  to copy whole disk n1 to disk2?

Like: #rsinc -av /dev/sd0 /dev/sd1


thanks

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> Hello
> 
> I have an main disk (operating system) and an spare disk for backup.
> Is it possible with rsync command  to copy whole disk n1 to disk2?
> 
> Like: #rsync -av /dev/sd0 /dev/sd1
It will not copy open files.

I use 

dd if=/dev/sd0 of=/dev/sd1 bs=1024k
e2label /dev/sd1 /backup

Much better and safer.

Read this:
http://www.crazytrain.com/dd.html

Stuart Halliday wrote:
> 
>> Hello
>> 
>> I have an main disk (operating system) and an spare disk for backup.
>> Is it possible with rsync command  to copy whole disk n1 to disk2?
>> 
>> Like: #rsync -av /dev/sd0 /dev/sd1
> 
> It will not copy open files.
> 
> I use 
> 
> dd if=/dev/sd0 of=/dev/sd1 bs=1024k
> e2label /dev/sd1 /backup
> 
> Much better and safer.
> 
> Read this:
> http://www.crazytrain.com/dd.html
> 
> 
> 
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> 
> 
OK, i tryed with simpliest command:

dd if=/dev/sd0 of=/dev/sd1/backup

and get

dd: /dev/sd0: Device busy

ps: the os is openbsd

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