Hardware RAID Level & Performance

[lst_hoe01 at kwsoft.de]

Zitat von Aleksandar Milivojevic <amilivojevic at pbl.ca>:

> Norman Zhang wrote:
> > May I ask has anyone consider SATA RAID yet? I seems to be a very
> > inexpensive solution.
>
> All inexpensive SATA RAID solutions are "fake RAID".  This includes
> almost all SATA controlers that are integrated into motherboards and
> marketed as RAID capable.  They are software RAID.  Basically, you use
> BIOS to write some metadata to the disks (configure the RAID), and than
> you need to use special drivers in OS that will do the actual software
> RAID stuff.  Most of those specialized drivers are slow, unstable, not
> available for anything but Windows, or all three of previous statements.
>   If you have one of those motherboards and/or controllers, you are far
> better disabling RAID stuff in BIOS and using standard Linux software
> RAID drivers (md) or standard *BSD RAID drivers (RAIDframe).

If you want the benefits of host independant RAID and cheap SATA disks you may
have a look at this one :
http://www.icp-vortex.com/english/product/pci/rz_sata_8/8586rz_e.htm

Regards

Andreas

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