Date: Thu, 26 Mar 2015 16:37:18 -0600 From: Alan Somers <asomers@freebsd.org> To: Adrian Chadd <adrian@freebsd.org> Cc: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org>, Wojciech Puchar <wojtek@puchar.net> Subject: Re: Seagate Archive HDD Message-ID: <CAOtMX2hwYo=K2sZ3iXizGxET7_tvvhxn55jC102Wmg%2BC=Nq6cg@mail.gmail.com> In-Reply-To: <CAJ-Vmo=8KAS9oAeR1LW0yfbdoMeiti1m%2BNNzSYeZavGDS8NVnw@mail.gmail.com> References: <alpine.BSF.2.20.1503261124380.1417@laptop.wojtek.intra> <CAJ-Vmo=8KAS9oAeR1LW0yfbdoMeiti1m%2BNNzSYeZavGDS8NVnw@mail.gmail.com>
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On Thu, Mar 26, 2015 at 4:33 PM, Adrian Chadd <adrian@freebsd.org> wrote: > Hm, what's required to get the stripe size for doing IO or whatever > the under-the-hood thing is for the Sharding? > > -a My understanding is that it's impossible; the drive-managed SMR drives present themselves as ordinary disks. But, if their design is similar to the upcoming host-aware SMR drives, then the band size will be on the order of a few hundred megabytes. -Alan
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