From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sun, 17 Feb 2002 16:19:20 -0700 From: Tom Rini To: Benjamin Herrenschmidt Cc: "Kevin B. Hendricks" , linuxppc-dev@lists.linuxppc.org, yellowdog-devel@lists.yellowdoglinux.com, "Timothy A. Seufert" Subject: Re: question on best way to install other ide drives? Message-ID: <20020217231920.GD15858@opus.bloom.county> References: <20020217215204.4646@smtp.wanadoo.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20020217215204.4646@smtp.wanadoo.fr> Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: On Sun, Feb 17, 2002 at 10:52:04PM +0100, Benjamin Herrenschmidt wrote: > > > > >(A). IDE does not do a terribly good job of sharing bus bandwidth > >between two active devices, so the ideal case for performance is one > >IDE bus per device. > > > >That said, you'll never be impacted if your workload never attempts > >to exercise both the slave and master at the same time. > > iirc, the sonet has 2 busses. Yes, but unless you stress the master and slave at the same time, you'll never notice. I bash hda and hdd on my G4 all the time and it never seems to be 'slow'. -- Tom Rini (TR1265) http://gate.crashing.org/~trini/ ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/