Matteo Sgalaberni schrieb:
> Hi,
> 
> I want to clone the pool to a local disk attached via USB.
> I can't made it with a dd because the pool is on a raid volume
> that don't contain the pool only.
> 
> Does it exist best practice to do this?

Is it RAID-1?
Take one drive off the array, you have an exact clone.

Not RAID-1 and your pool is too big to copy it with rsync and you can't 
offline this disk/array for more than ~10 minutes?

Make your current array a part of another RAID-1 made specifically to 
clone your original array.

Prerequisites:
- block device equal or bigger than your current array
- new storage accessible either locally or over iSCSI
- matadata for RAID would be stored in a file (typically, it is stored 
in RAID)

This way, you make no changes in your current RAID, but you can still 
clone it.


-- 
Tomasz Chmielewski
http://wpkg.org


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