[CentOS] ZFS on Linux in production?

[John R Pierce]

On 10/24/2013 5:29 PM, Warren Young wrote:
> The least complicated*safe*  way to add 1 TB to a pool is add*two*  1 TB
> disks to the system, create a ZFS mirror out of them, and add*that*  
> vdev to the pool.  That gets you 1 TB of redundant space, which is what
> you actually wanted.  Just realize, you now have two separate vdevs
> here, both providing storage space to a single pool.

yeah, I guess I should have made that clearer, thats exactly what you do.


and, it doesn't restripe old files til they get rewritten.   new stuff 
will be striped across all the vdevs, old stuff stays where it is.



-- 
john r pierce                                      37N 122W
somewhere on the middle of the left coast