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Date: Wed, 25 Mar 2015 00:12:55 +0530
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Subject: Re: Zoned Commands ZBC/ZAC, Shingled SMR drives, ZFS
From: Shehbaz Jaffer <shehbazjaffer007@gmail.com>
To: Michael Jung <mikej@paymentallianceintl.com>
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Cc: FreeBSD FS <freebsd-fs@freebsd.org>, "jg@internetx.com" <jg@internetx.com>,
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> 'host aware' or 'host managed' SMR drives open the real possibilities for
use
under ZFS and other file systems.

Agreed. Probably RAID is not the way to go then. In host managed SMR drives
one could use other form of resiliency (Erasure Codes) rather than RAID. We
do not rebuild the whole disk but probably just a zone of a SMR drive in
case of errors.