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Old 01-09-2004, 08:17 PM   #1
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Gigabyte GA-8KNXP - RAID 1+0. Has this worked for anyone?

I'm making a file server with 4 Western Digital 250 GB S-ATA drives. I got the Gigabyte GA-8KNXP motherboard (Rev 2.0) because it has the ability to do RAID 0+1 (stripe + mirror) onboard. I have all the drives hooked up, but only two of them show up in the BIOS. All the drives are jumpered to master (the manuals don't say anything about jumper settings).

The questions:
Has anyone tried this yet ("this" being RAID 0+1)?
Do I need to change jumper settings on the drive?
Is RAID 0+1 only supported when you install the drivers under Windows?
Do other motherboards exist that will allow 0+1 under Linux?
If the onboard controllers won't work, can I buy a PCI SATA controller card for the mirrored drives?
Finally, what distribution should I run for best performance? (I read a post from a few months ago that said that RH 9 doesn't see the RAIDed SATAdrives - any updates on this?)

Thanks for your help.
Old 01-10-2004, 02:07 PM   #2
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bump. anyone.... anyone.... bueller.... bueller?
Old 01-11-2004, 12:56 PM   #3
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If I understand you correctly you are trying to set up a raid 0+1 with SATA drives. If you look at the specs for that board raid 0+1 is supported by the Gigaraid ide raid addon chip. Two of your SATA ports are on the Intel ICH-5R and the other two are on the Silicon Image addon chip. I retired my multiboot GA-8KNXP (original release) to windows only duty but while using RH9 and FC1 the Intel SATA was not supported in raid but the connections could be used individually. I did not do that however because I already had the windows as a stripeset on the ICH-5R. I originally got the board only for the then soon to be released mirror capacity of the ICH-5R and that is how it now gets used.

There may be the ability to use software raid in Linux across the two SATA chips but that is way beyond my newbie knowledge level. I also do not know if the Gigaraid IDE has drivers for hardware raid in Linux.

There are 4 port SATA raid cards available and I have seen some Tyan boards that now have 4 port onboard Silicon Image SATA raid controllers. Maybe a pci card would help if you are committed to the SATA drives. Either way I would suggest finding a phone number or email address for the manufacturer and ask them specifically which of their products are supported in Linux. That is how I am now making hardware decisions and you can at the same time tell them that you are no longer buying unsupported hardware.

Anyhow, hope I was of some help.
Old 02-04-2004, 07:11 AM   #4
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I have been working with the GA 8PENXP Board and although having 4 SATA connectors only 2 are RAID configurable. If you read the small print in the SATA manual its states only 2 Devices which is a bit depressing and sort of defeats the object.
This board also has GIGARAID, which can support 4 drives but I have yet to make it work with SUSE 9.

Not sure if thats any help


Old 02-04-2004, 09:33 AM   #5
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Yeah.. In windows, you can use all 4 with (two striped RAID arrays). It also claims that you can use the second stripe to mirror, but I didn't take the time to figure that out. I've given up on the board and am purchasing a 3ware card that comes with Linux support - they have models that support 4, 8, or 12 disks with whatever type of RAID you like. Supposedly, they're super fast, but a bit on the pricey side at around $300.

I also learned the magic of RAID 5 - 1 disk of parity so you can use 3 disks of storage. Suddenly I have 750GB instead of 500GB (Raid 0+1). How nice.


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