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Debian Sarge and RAID1 in Asus Server RS120-E3/PA4Hello, The Asus Server RS120-E3/PA4 has RAID by hardware with the LSI Logic controller. Besides configuring the RAID1 with 2 disks in the BIOS, do I need to configure anything in the Debian SO? Since its RAID by hardware shouldn't be transparent? The Debian recognizes the 2 disks instead of only 1 (The RAID1 array). Bookmark/Search this post with: 
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Really a LSI controller?
Hi there
I just checked whether the RS120-E3/PA4 really uses a LSI Logic controller. Well, the specification (http://www.asus.com/products4.aspx?modelmenu=2&model=1055&l1=9&l2=40&l3=116) says it's a Intel ICH7R.
So I checked whether the Linux kernel supports it. What kernel are you using? For 2.4 there seems to be driver here:
http://www.intel.com/support/chipsets/imsm/sb/cs-020663.htm.
If you really have a SLI controller just ignore my comments.
Good luck,
Georg
Something fishy...
A true hardware RAID controller is absolutely transparent to the operating system - the operating system genuinely believes it sees a single disk. With the correct drivers it can get RAID performance and status data from the controller. You will have to find out how your RAID controller is meant to be configured. It may not be a hardware RAID but a chip with support for software RAID in which case your computer will always see 2 disks. In such a case you need to set BIOS to NOT use RAID - just treat as normal discs - and when you install Linux you create and partition for software RAID (not using any of the chip features at all).