Date: Wed, 1 Oct 2008 11:19:01 +0200 (CEST) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: Jeremy Chadwick <koitsu@FreeBSD.org> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@FreeBSD.org>, Andrew Falanga <af300wsm@gmail.com> Subject: Re: Setting up gmirror Message-ID: <20081001111736.O8258@wojtek.tensor.gdynia.pl> In-Reply-To: <20081001090414.GA15939@icarus.home.lan> References: <340a29540809302134p2414e3cfw6a0694026e57d879@mail.gmail.com> <20081001071150.GA13554@icarus.home.lan> <20081001092139.D7677@wojtek.tensor.gdynia.pl> <20081001090414.GA15939@icarus.home.lan>
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> And what exactly do you classify controllers such as the Promise TX4310 > and the Promise S150 SX4 as? The TX4310 could be classified as > "software RAID", but a few of the features are offloaded onto the > controller. The SX4 is the same way, but has actual on-board cache. si it do something by hardware. anyway - i don't think it will actually make it faster under FreeBSD (contrary to windoze). it's simply not worth money. > You like to declare everything as "software RAIDs", while I like to > discern the difference between them using (what I believe to be) more > accurate terminology: > > BIOS-level RAID (Adaptec HostRAID, Intel MatrixRAID; "chipset" RAID) > OS-based RAID (gvinum, ccd, etc.) what are the difference between 1 and 2? there are none.
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