(question) Raid5 + Encryption -- which is first?
William Park
opengeometry-FFYn/CNdgSA at public.gmane.org
Fri Sep 16 19:23:53 UTC 2011
On Thu, Sep 08, 2011 at 01:00:10PM -0700, William Park wrote:
> Hi all,
>
> If I want to encrypt a whole filesystem which is Raid5, do I make
> Raid5 first and then mount it as "encrypted" partition? (my guess is
> yes).
>
> But, that begs question. What if I add a device to Raid5? Will it
> be transparent to encryption layer, or will it screw it up?
I tried it this morning, and it worked.
- start with 3-device RAID5
- put encryption layer on top
- increase to 4-device RAID5
- put encryption layer on top
- increase filesystem to max
And, I get back the filesystem with increased size.
--
William
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