Date: Tue, 27 Apr 2010 15:34:14 +0200 From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no> To: Maxim Sobolev <sobomax@FreeBSD.org> Cc: Alexander Motin <mav@FreeBSD.org>, FreeBSD-Current <freebsd-current@FreeBSD.org>, Richard Tector <richardtector@thekeelecentre.com>, freebsd-geom@FreeBSD.org Subject: Re: Switchover to CAM ATA? Message-ID: <86och53tpl.fsf@ds4.des.no> In-Reply-To: <4BD0ACD2.3040805@FreeBSD.org> (Maxim Sobolev's message of "Thu, 22 Apr 2010 13:08:50 -0700") References: <4BD06BD9.6030401@FreeBSD.org> <4BD099E6.6000402@FreeBSD.org> <4BD0A689.8000508@thekeelecentre.com> <4BD0ACD2.3040805@FreeBSD.org>
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Maxim Sobolev <sobomax@FreeBSD.org> writes: > Richard Tector <richardtector@thekeelecentre.com> writes: > > Could I also add that the removal of ataraid would affect those > > users who dual-boot with Windows and rely on the psuedo-raid > > provided by most Intel chipsets to be able to share the same pair of > > disks. > Well, this won't be a problem if we have GEOM classes that can > understand metadata created by the ATA RAID BIOS(es). Most pseudo-raid kit has nifty features like checksum offloading, composite writes etc. which can improve performance considerably. You can't access those from GEOM. DES --=20 Dag-Erling Sm=C3=B8rgrav - des@des.no
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