RAID 10 == RAID 0+1. The difference is that the Escalade does it in hardware, whereas the FastTrack and HighPoint do it in software. Nick jasonj at innominatus.com, on 10/17/2000 01:53:33 PM To: tclug-list at mn-linux.org @ PMDF cc: Subject: Re: [TCLUG:22757] Raid and other storage stories Escalada 6xxx does RAID 0, 1, and 10 Fasttrak does 0, 1, and 0+1 Highpoint does 0, 1, and 0+1 Nick.T.Reinking at supervalu.com wrote: > Try www.elinux.com or www.thelinuxstore.com. > > Also, you don't need ATA/100 at all with just one device. > > As cool and fast as those 75GXPs are, they're not going to top > more than 40MB/sec. Easily under 66MB/sec. > > AFAIK, you can do all the weird partitioning that you could do > with a real SCSI RAID controller. The only bad thing about them > is that they don't support RAID 5. Only RAID 0,1, and 0+1, and > JBOD, I think. > > Nick Reinking > > dopp at acm.cs.umn.edu, on 10/17/2000 01:14:41 PM > To: tclug-list at mn-linux.org @ PMDF > cc: > Subject: Re: [TCLUG:22757] Raid and other storage stories > > On Tue, Oct 17, 2000 at 12:54:46PM -0500, Nick.T.Reinking at supervalu.com wrote: > > The Escalade 6xxx series support ATA/66. > > Well, maybe they have an ATA/100 version planned... > > > > > They're really cool... > > They look cool... > > > > > 2-8 channels, 1 device/channel (which is why ATA/66 is > > plenty good). It's completely internal. > > Internal is good. I have a full tower, so I'll have the room. > > > > > The 3ware driver makes any RAIDed drives look like a single > > SCSI drive. > > > > Furthermore, the 3ware supports other cool things such as > > command queueing, etc. Plus, they have an onboard co-processor. > > (same one most SCSI RAID cards have). > > How about logical partitioning? Does the Escalade allow me to make, say, 4 > drives into a single logical drive and then partition that logical drive > into say, 3 logical partitions which all appear as seperate drives to my > machine? > > The reason I ask is because I was thinking about the following setup: > > 4 30GB ATA/100 Deskstars > 1 logical drive > 2 logical partitions > > I suppose I could just take the 1 logical drive and partition it through > the OS, but if the controller handles it for me, it's that much nicer. > > > > > The FastTrack card is both poorly supported, plus it doesn't > > have a co-processor. All it does for you is make your RAID > > drives look like one drive. It's still all software otherwise. > > Ah, thanks for the heads-up. > > > > > >From what I've heard, these cards are pretty amazingly fast. > > IDE is faster than SCSI for one device, since the command > > set is much smaller (and faster). Since there is only one device/channel > > on this controller... well, it's pretty amazing. Plus, it has an > > Alan Cox approved open source driver in 2.2.15+. > > > > Eenteresteeng... I'll have to give it a try. Where do you suggest I get > one of these controllers? It looks like one can only buy them through > offical 3ware resellers. > > Gabe > -- > -------------------------------------------------------------------------------- > Gabe Turner | X-President, > UNIX Systems Administrator, | Assoc. for Computing Machinery > U of M Supercomputing Institute for | Univerisity of Minnesota > Digital Simulation and Advanced Computation | dopp at acm.cs.umn.edu > > "Dear Dr. Stupid: Why do I have to go to school?" -- Announcer > "Your parents are aliens!! While you're at school, they shed their > human skins and breathe dryer lint!!" > - Dr. Stupid in "Ask Dr. Stupid" > -------------------------------------------------------------------------------- > > --------------------------------------------------------------------- > To unsubscribe, e-mail: tclug-list-unsubscribe at mn-linux.org > For additional commands, e-mail: tclug-list-help at mn-linux.org > > ------------------------------------------------------------------------ > --------------------------------------------------------------------- > To unsubscribe, e-mail: tclug-list-unsubscribe at mn-linux.org > For additional commands, e-mail: tclug-list-help at mn-linux.org --------------------------------------------------------------------- To unsubscribe, e-mail: tclug-list-unsubscribe at mn-linux.org For additional commands, e-mail: tclug-list-help at mn-linux.org -------------- next part -------------- --------------------------------------------------------------------- To unsubscribe, e-mail: tclug-list-unsubscribe at mn-linux.org For additional commands, e-mail: tclug-list-help at mn-linux.org