[clug] Hardware RAID
Martijn van Oosterhout
kleptog at svana.org
Thu Aug 21 20:01:41 EST 2003
I only know about the 3ware Escalade. What happens there is that the IDE
drives plug into the card. The driver then makes the RAID arrays (there can
be more than one) appear as SCSI drives. Other than providing a daemon to
let you control various aspects of the arrays on the fly, the rest of the
system doesn't see any differences.
Resizing on the fly may be interesting though.
On Thu, Aug 21, 2003 at 06:17:56PM +1000, Darren Freeman wrote:
> I'm purchasing a PC workstation to dual-boot Win2K and Mandrake.
> My question is this: if I buy a RAID card to mirror two drives, can I
> expect the card to behave as if it's an IDE controller with one drive?
> Or does the OS have to know about it.
> The reason I'm getting a card when Linux is able to do software RAID, is
> I want to boot from it and I want the OSes to be totally blind to it.
> The aim of mirroring is so I don't have to cry my eyes out when a drive
> fails, the speed boost on read is just really nice (I'm doing some big
> simulations so it might help).
> I'm spcifically looking at the Adaptec 1200A dual-channel RAID card,
> it's about $150. Is this known to work with Linux? The linux
> compatibility list mentions the 2400 so I guess that's a yes.
Martijn van Oosterhout <kleptog at svana.org> http://svana.org/kleptog/
> "All that is needed for the forces of evil to triumph is for enough good
> men to do nothing." - Edmond Burke
> "The penalty good people pay for not being interested in politics is to be
> governed by people worse than themselves." - Plato
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