Extend an existing Raid 10 (striped mirrored Vdev's)

[trexman]

Hello,

I'm using FreeNAS 9.3
At the moment there are 10 disc in a Raid 10 (5 mirror sets in one stripe set) volume.

Now I would like to add 4 more disc as a Raid 10 to the existing volume. Without destroying the existing data of course :)
Is this possible? Can I use the Volume Manager to do this?

Thanks for your help.

Best regards,
Christian

 

[danb35]

Yes, it's possible, and yes, you can use the volume manager to do it.

 

[Robert Trevellyan]

Now I would like to add 4 more disc as a Raid 10 to the existing volume. Without destroying the existing data of course :)

If you have any doubts about getting it right, practice in a VM first, because once you add a vdev to a pool, you can't remove it and try again.

 

[depasseg]

I thought there was a section in the Docs that covered this.

 

[Robert Trevellyan]

You mean this?
8.1.1.3 Extending a ZFS Volume