Tom's Hardware > Forum > Homebuilt Systems > General Homebuilt > Need info on parts for diy mini-ITX RAID5 server

Need info on parts for diy mini-ITX RAID5 server

Forum Homebuilt Systems : General Homebuilt - Need info on parts for diy mini-ITX RAID5 server

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Hey all, I figured i'd post up to see if anyone here knows any inf regarding parts I need for a new fileserver I want to build.
I have already built a RAID5 fileserver: http://diynas.wetpaint.com/?t=anon and this time around, I want to build something a little smaller and faster using 5 large drives and a mini-itx motherboard. My current build has a read/write speed of 100MB/S probably due to the bandwidth of the PCI bus. On this new build I would like to use a PCI-E RAID card to increase the read/write speed. The problem is, I cant find a mini-ITX form factor motherboard with PCI-E, and I am not sure what case to go with. I would like to go with a custom made marriage of a small cube case and a 5-bay SATA hotswap cage. Does anyone have any ideas or links of similar projects I can use? Thanks!

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I think I found one example of what I am trying to do, I found a project called "UDAT" by a modder named Mashie. Heres a page illustrating it:

http://www.epiacenter.com/modules. [...] =56&page=2

I have another question though, it seems he is using the RAIDCore BC4852 controller card which is PCI-X. Mashie has it plugged into a regular PCI slot on the motherboard. Would a setup like that run at the PCI bus's bottleneck of 100MB/s? I would really like to realize a higher speed than that.

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Reply to snootch

snootch wrote :

I think I found one example of what I am trying to do, I found a project called "UDAT" by a modder named Mashie. Heres a page illustrating it:

http://www.epiacenter.com/modules. [...] =56&page=2

I have another question though, it seems he is using the RAIDCore BC4852 controller card which is PCI-X. Mashie has it plugged into a regular PCI slot on the motherboard. Would a setup like that run at the PCI bus's bottleneck of 100MB/s? I would really like to realize a higher speed than that.

yes that will slow it down a lot as you will be useing the same pci-33 bus as other on board chips like the network on some chipsets.

You need a pci-e one and put in a pci-e x4 or faster slot.

this board has
http://www.windowsfordevices.com/n [...] 75767.html
2 PCI-X-compliant PMC (PCI Mezzanine Card) sites

http://www.linuxdevices.com/news/NS8584188259.html

Message edited by Joe_The_Dragon on 09-08-2007 at 06:57:29 PM

Reply to Joe_The_Dragon

Thanks for the info. I really want to go PCI-E instead of PCI-X if im going to buy 2TB of HDD's though. I think I am going to abandon this plan, and instead bundle these storage capabilities into a HTPC. Now i've got no problems with finding PCI-E since now i'm dealing with a full ATX board. I'll create a new thread for those questions though. Thanks for the replies!

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