Re: - toasters

23 Dec 2019


      My understanding is that NAE is only available on AFF platforms.  As I
understand it, the purpose of NAE is to support NVE in combination with
aggregate de-dupe by sharing the same encryption key for all (or select)
volumes on an aggregate.  Maybe I've got that wrong or things have moved on
but assuming FAS systems still don't have aggregate-level de-dupe
functionality... what would be the benefit of NAE over NVE?
When we implemented NVE it was part of an upgrade to FAS 8200 controllers
(CDOT 9.1 at the time).  We bought the new controllers with some disks and
scaled-out the cluster so it was simply a case of vol-moving the data to
the 8200 aggregates with the -encrypt flag set.  Once that was done we
moved the evacuated stacks over to the 8200s and vol-moved again to balance
the storage and IOPS.
On Mon, 23 Dec 2019 at 13:18, Scott Eno via Toasters toasters@teaparty.net
wrote:
...
---------- Forwarded message ----------
From: Scott Eno s.eno@me.com
To: Chris Hague Chris_Hague@ajg.com
Cc: Tim McCarthy tmacmd@gmail.com, "toasters@teaparty.net Lists" <
toasters@teaparty.net>
Bcc:
Date: Mon, 23 Dec 2019 08:15:02 -0500
Subject: Re: NVE \ NAE
I was working with a pre-production AFF220 which admittedly didn’t have
but a few VMware VMFS datastores on it.  But those volumes were all
encrypted easily within the same day.
--
Scott Eno
Sr. Storage Engineer
seno@cooley.com
On Dec 23, 2019, at 4:04 AM, Chris Hague Chris_Hague@ajg.com wrote:

Thanks Scott,
How long did the NVE process take?
I am trying to estimate time to complete this.
So far, testing is showing our NL-SAS vols taking 10 weeks to encrypt 5TB.
The above is on a FAS8040.. I’m also going to perform some testing on an
AFF
Many Thanks.
*From:* Scott Eno s.eno@me.com
*Sent:* 20 December 2019 23:21
*To:* Chris Hague Chris_Hague@ajg.com
*Cc:* Tim McCarthy tmacmd@gmail.com; toasters@teaparty.net Lists <
toasters@teaparty.net>
*Subject:* Re: NVE \ NAE
*[EXTERNAL]*
I just did this a couple days ago.  I had to encrypt the volumes before I
could encrypt the aggr they were on.  Otherwise would have had to evacuate
the aggr first.
--
Scott Eno
On Dec 20, 2019, at 9:51 AM, Chris Hague Chris_Hague@ajg.com wrote:

Thanks for reply.
From the doc center we were under the impression that an existing
aggregate can be converted, doesn’t mention being empty;
https://docs.netapp.com/ontap-9/topic/com.netapp.doc.pow-nve/GUID-812BE553-2...
Convert a non-NAE aggregate to an NAE aggregate
storage aggregate modify -aggregate aggregate_name -node *node_name*
-encrypt-with-aggr-key true
*From:* Tim McCarthy tmacmd@gmail.com
*Sent:* 20 December 2019 14:37
*To:* Chris Hague Chris_Hague@ajg.com; toasters@teaparty.net Lists <
toasters@teaparty.net>
*Subject:* Re: NVE \ NAE
*[EXTERNAL]*
Your answers are
Depends (and can feel like forever) for NVE
instantly for aggregate
The aggregate must be empty to start aggregate encryption
--tmac (Typos courtesy of GBoard!)

*From:* toasters-bounces@teaparty.net on behalf of Chris Hague <
chris_hague@ajg.com>
*Sent:* Friday, December 20, 2019 9:26 AM
*To:* toasters@teaparty.net Lists
*Subject:* NVE \ NAE
Does anyone have a guideline as to the time it takes to apply NVE to an
existing volume? Or aggregate?
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---------- Forwarded message ----------
From: Scott Eno via Toasters toasters@teaparty.net
To: Chris Hague Chris_Hague@ajg.com
Cc: "toasters@teaparty.net Lists" toasters@teaparty.net
Bcc:
Date: Mon, 23 Dec 2019 13:15:09 GMT
Subject:
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