[zfs-discuss] question about creating a mirrored pools from multiple devices

Dan Swartzendruber dswartz at druber.com
Tue Feb 2 16:54:15 EST 2016


On 2016-02-02 16:51, Kurt Strosahl via zfs-discuss wrote:
> In an attempt to increase I/O performance I'm trying to deploy a kind
> of pool I've never deployed before.
> 
> I have twelve disks to work with, and the configuration I'd like to
> have at the end is a three way mirror composed of 4-disk stripes...
> 
> Say that I have disks labled d1-d12...
> 
> what I'd like is to have the following as a single striped devices
> (raid0): d1-d4, d5-d8, d9-d12
> then create a three way mirror across those devices.
> 
> But I'm not sure how to get zpool create to do that...  or if it is
> even possible.

like this:

zpool create foo mirror d1 d2 d3 d4 mirror d5 d6 d7 d8 mirror d9 d10 d11 
d12




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