[Gllug] IDE RAID
Andrew Halliwell
ah at gnd.com
Mon Jul 7 11:34:20 UTC 2003
And verily, didst Anthony Chapman announce to the hordes:
>
> Andrew Halliwell wrote:
> > Errr, that's... not technically IDE RAID...
> > It's software raid and would work just as well with SCSI.
> > IDE RAID is where the promise controller is in fact a fasttrak or
> > supertrak and the controller does the RAID for you...
>
> Those Promise "RAID Controllers" are really just IDE adapters with a
> fancy BIOS that tries to make software look like hardware. When the
> computer is started this BIOS provides drivers to do raid. Once Linux is
> loaded it doesn't use the BIOS so has to provide its own software raid,
> using the ataraid driver. There are some IDE controllers that do RAID in
> hardware, eg 3ware.
Yes... But I noticed your fstab stated /dev/md* (which is kernel based
software raid, not the raid on the card itself... which is why I commented)
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