[OpenIndiana-discuss] fuiture small expansion of raidz1 possible?

[Hans J. Albertsson]

That 4th, file, device wouldn't need to be physically large, would it??
It could reside on a much smaller disk. And smaller disks I have a 
bagload of.

On 2014-02-11 11:13, Jim Klimov wrote:
>
> Technically, it is possible to fool ZFS into making a pool with a
> missing device (i.e. make a raidz1 with 3 disks and a file, then
> delete the file and export-import the pool). This would cause the
> pool to be degraded, but ready for re-attachment of your original
> disk after migration is complete.
>
> I would not gamble with this without backups (I did gamble with
> this approach and did not lose a bit, but it is still risky),
> and if possible - not forfeiting all redundancy (i.e. make a
> degraded raidz2/3 with one or two disks missing instead of a
> setup with no hiccup-protection at all).
>
> HTH,
> //Jim
>
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