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Date:      Tue, 1 Apr 2008 11:06:35 -0700
From:      "Martin Fouts" <mfouts@danger.com>
To:        "Matthew Dillon" <dillon@apollo.backplane.com>
Cc:        freebsd-arch@freebsd.org
Subject:   RE: Flash disks and FFS layout heuristics
Message-ID:  <B95CEC1093787C4DB3655EF330984818051D19@EXCHANGE.danger.com>
In-Reply-To: <200804011748.m31HmE1h039800@apollo.backplane.com>
References:  <20080330231544.A96475@localhost> <200803310135.m2V1ZpiN018354@apollo.backplane.com> <B95CEC1093787C4DB3655EF330984818051D03@EXCHANGE.danger.com> <200803312125.29325.qpadla@gmail.com> <200803311915.m2VJFSoR027593@apollo.backplane.com> <B95CEC1093787C4DB3655EF330984818051D09@EXCHANGE.danger.com> <200803312219.m2VMJlkT029240@apollo.backplane.com> <B95CEC1093787C4DB3655EF330984818051D0F@EXCHANGE.danger.com> <200804011748.m31HmE1h039800@apollo.backplane.com>

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If you've asked, I've missed the question.

We tend to size ram and embedded NAND the same. The latest numbers I can
discuss are several years old and were 64mb/64mb. Engineering *always*
wants more of each, but the BOM rules.
=20

> -----Original Message-----
> From: Matthew Dillon [mailto:dillon@apollo.backplane.com]=20
> Sent: Tuesday, April 01, 2008 10:48 AM
> To: Martin Fouts
> Cc: freebsd-arch@freebsd.org
> Subject: RE: Flash disks and FFS layout heuristics
>=20
> :
> :> -----Original Message-----
> :> From: Matthew Dillon [mailto:dillon@apollo.backplane.com]=3D20
> :> Sent: Monday, March 31, 2008 3:20 PM
> :>=3D20
> :> For flash storage systems competitive with hard drive storage,=3D20
> :
> :In embedded systems, it's RAM that flash storage competes=20
> with, not hard
> :
> :drive storage.
> :
> :SSD is a completely different engineering problem.
>=20
>     You know, I think I've asked this already and you don't=20
> have to answer
>     it if you don't want to, but exactly how large a flash=20
> device are you
>     working with in your embedded project(s)?
>=20
> 					-Matt
>=20
>=20



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