Garrett,

Yes! We have several customers who was looking for encrypted storage solution 
with ZFS in the past. We are all in hosting or data center business. 

Since it is not available, they end up to buy other solutions in the market 
like MegaRAID with Seagate SED disk. 

If you can have full disk encryption at SW level or having tool mange key with 
physical SED disk, it will be great and fit with their requirement 

Rocky

-----Original Message-----
From: Garrett D'Amore [mailto:[email protected]] 
Sent: Tuesday, March 26, 2013 8:16 AM
To: [email protected]
Subject: Re: [discuss] Fw: [solarisx86] ZFS and encryption


On Mar 26, 2013, at 7:19 AM, Apostolos Syropoulos <[email protected]> wrote:

> 
>> 
>> T his isn't native ZFS encryption.  FreeNAS is using FreeBSD's 
>> existing crypto infrastructure to insert an encrypted block device 
>> shim between ZFS and the disk drives.  The same is possible on 
>> illumos systems using lofi(7) with encryption, then building a zpool 
>> atop the lofi device(s).
> 
> Maybe but it is better than nothing! 

Actually, while lofi works, it is a horrible, horrible hack fraught with lots 
of problems because it doesn't sit on top of the block layer, but rather on the 
filesystem layer.

As I think about this, it would be nearly trivial to build an encrypting block 
layer on top of regular block devices using the blkdev framework I wrote ages 
ago.  Should only take a weekend or so to code up. 

Can I have a show of hands for people who would really like to have full disk 
encryption (not per dataset!) ?  I mean really would like to run this in 
production.  If the number is non-zero, then I'll probably look at writing some 
code.  Would be a fun little project.

        - Garrett

> 
> A.S.
> 
>  
> ----------------------
> Apostolos Syropoulos
> Xanthi, Greece
> http://obelix.ee.duth.gr/~apostolo
> http://asyropoulos.wordpress.com
> http://hypercomputation.blogspot.com/
> 
> 
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