[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: Clon disks with dd command

Alejandro wrote:

> Hi all, I have a Debian Etch machine with a SCSI HD as a master disk. I
> want to make a clon to another similar SCSI HD (same model and size), in
> order to use it if the production disk fails.
> People talk about "dd" command, telling it's possible to get a exact
> mirror from one disk to another just running this:
> dd if=/dev/sda of=/dev/sdb
> Is this just the solution ??? No matter with the MBR or something else ???

That only works if both disks are the same size.  If that's not the case,
take a look at the Hard Disk Upgrade HOWTO.


Reply to: