Date: Wed, 06 Sep 2000 11:57:47 -0500 (CDT) From: Ben Burke <bburke@mwci.net> To: freebsd-hardware@freebsd.org Subject: Which RAID Controller to Buy Message-ID: <XFMail.000906115747.bburke@mwci.net>
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Hello, I'm in a bit of a time-crunch, so I hope someone has a quick and easy answer for me. ;) I need to know which is the best (or one of the best) RAID 5 controllers to buy for my Dell system running FreeBSD 4 stable. I'm looking to replace the current controller with one that is known to work without problems under FreeBSD. Here's some background; I have a production machine (FreeBSD 4) that is in desperate need of a hardware upgrade. One of our business associates sent over a Dell PowerEdge 6300. I know very little about this machine. Here's what logs at boot time; /kernel: ahc0: <Adaptec aic7890/91 Ultra2 SCSI adapter> port 0xec00-0xecff mem 0xfea02000-0xfea02fff irq 11 at device 4.0 on pci1 /kernel: ahc0: aic7890/91 Wide Channel A, SCSI Id=7, 16/255 SCBs /kernel: ahc1: <Adaptec aic7890/91 Ultra2 SCSI adapter> port 0xe800-0xe8ff mem 0xfea01000-0xfea01fff irq 10 at device 6.0 on pci1 /kernel: ahc1: aic7890/91 Wide Channel A, SCSI Id=7, 16/255 SCBs /kernel: ahc2: <Adaptec aic7860 SCSI adapter> port 0xe400-0xe4ff mem 0xfea00000-0xfea00fff irq 14 at device 8.0 on pci1 /kernel: ahc2: aic7860 Single Channel A, SCSI Id=7, 3/255 SCBs /kernel: pcib2: <Intel 82454NX PXB#1, Bus#A> on motherboard /kernel: pci2: <PCI bus> on pcib2 /kernel: amr0: <AMI MegaRAID> port 0xfc80-0xfcff irq 5 at device 3.0 on pci2 /kernel: amr0: firmware Uc77 bios 1.47 32MB memory /kernel: amrd0: <MegaRAID logical drive> on amr0 /kernel: amrd0: 34272MB (70189056 sectors) RAID 5 (optimal) When I look at the PCI bus I see only two cards, one rather small 10/100 Ethernet card, and one extremely large card that I assume is the RAID controller. (It has a large Intel i960 chip, two small SCSI-2 connectors, and a cable to the media cage.) Long story short, when running under this hardware the amr device wedges on 4.1-STABLE (from yesterday). I need to get this machine up with 64 k RAID 5 striping across it's 5 disks as soon as possible. Any help would be greatly appreciated. I'm not on the list, so please send replies directly to me. Thanks in Advance, Ben Burke -- Benjamin Burke -> bburke@mwci.net / Help Desk (319)-557-2400 Midwest Communications, Inc. / Toll-Free (877)-455-6511 Network Operations Center (NOC) / Fax (319)-557-9771 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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