--- Joe Auty wrote:

> Thanks Steve, but this is exactly the same script I've been using all  
> along, while in Single User Mode.
> 
> However, could you explain the zeroing of blocks, and what its  
> purpose is for? Does this solve the problem of space being lost when  
> cloning a disk to a larger disk?

Hi Joe

Sorry, you mentioned Freesbie and I assumed you had not used dump under your 
FreeBSD install

Now that I think about it, I was getting errors like yours when I was first 
learning this script
I remember having to adjust it to taste

Have a look at your fstab (cat /etc/fstab) and ensure the scripts references to 
your FreeBSD
slices match your system.

In the script I sent you, my clone destination disk was ad2 so you will need to 
look at that as
well

Don't worry Joe, you are very very close

Regarding zeroing empty or unused blocks, have a look at this

http://www.digitalissues.co.uk/html/os/misc/partimage.html#22

Regarding space lost cloning to a larger disk, zeroing unused blocks wont help 
that.  Imagine your
10GB FreeBSD hard disk is cloned with G4U to a 20GB hard disk.  It will 
probably work great but
your 20GB disk is only half full.  You will have to use growfs to expand a 
slice or create a new
partition to reclaim the empty space. Sorry, I have not tried this yet and have 
no experience.

In cloning to a bigger disk, I prefer the dump/restore script method as I get 
to fully utilize the
larger disk capacity

I hope this helps

Take care

Steve

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