From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <0f4d9df36e260bf20a669d31e65eebca@quanstro.net> From: erik quanstrom Date: Sat, 4 Mar 2006 20:27:52 -0600 To: 9fans@cse.psu.edu Subject: Re: [9fans] booting from cd on an intel 440GX dual processor MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Topicbox-Message-UUID: 0b023d4a-ead1-11e9-9d60-3106f5b1d025 yes it would. i'm not too worried about that yet. i have worked with the dac960 before under linux. we built a 2TB oracle database using the dac960; the performance on a 4-way 600Mhz pIII xeon was exceptional, handily beating 8-way ibm r50s running oracle on SSAs (serial arrays). as i understand it, the card is buit around an intel i960 chip that does the arithmatic for raid5. the good news is that there's a linux driver. the bad news is similar: ; wc -l /usr/src/linux-2.6.15-gentoo-r1/drivers/block/DAC* 7222 /usr/src/linux-2.6.15-gentoo-r1/drivers/block/DAC960.c 4429 /usr/src/linux-2.6.15-gentoo-r1/drivers/block/DAC960.h 11651 total On Sat Mar 4 20:12:47 CST 2006, geoff@collyer.net wrote: > The *nomp=1 will explain why only one processor is being seen. > > I'm not familiar with the dac960, so I suspect that we don't have a > driver for it. google shows that freebsd and linux drivers exist, so > that might be a place to start. > > In general, I believe we don't have drivers for RAID cards. They > often turn out to not actually do RAID in hardware (Promise is famous > for this). I think 3ware is an exception and their cards actually do > RAID in hardware. >