Features CERC SATA RAID 2 PCI SATA 6ch

[Matthias Saou]

Frederik wrote :

> I've got a PowerEdge 700 with the following SATA RAID controller:
> 
> 0000:02:01.0 RAID bus controller: Adaptec AAC-RAID (rev 01)
> 	Subsystem: Dell CERC SATA RAID 2 PCI SATA 6ch (DellCorsair)
> 	Flags: bus master, 66MHz, slow devsel, latency 32, IRQ 177
> 	Memory at f4000000 (32-bit, prefetchable) [size=64M]
> 	Expansion ROM at fe100000 [disabled] [size=32K]
> 	Capabilities: <available only to root>
> 
> ( 0000:02:01.0 0104: 9005:0285 (rev 01) )
> 
> This controller works fine with the Linux aacraid module, and I can use 
> Adaptec's arcconf utility with it. There are currently three 120 GB disks 
> attached in RAID 5.
> 
> Would it be possible to connect a fourth sata disk to this controller, 
> and extend the RAID 5 array so I get 120 GB of extra capacity, of course 
> without having to reinitialize the array? How would I do that in 
> practice? Any pointer to documentation of this specific controller would 
> be welcome.

I can't be sure, but given my experience with that card's BIOS, I
really doubt it can do that. It's really very limited.

Matthias

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