[Gllug] OT: Replace old model WD Raptor with new within CentOS 4 RAID system?

[Richard Jones]

On Mon, May 24, 2010 at 03:54:05PM +0100, gvim wrote:
> A client has an old CentOS 4, 3-disk LSI MegaRAID system running on
> 3 x 150GB WD Raptor 10,000rpm disks. They're a few years old and one
> has now blown but the original model:
>
> WD1500ADFD
>
> ... has been superceded by the "Veloci Raptor" WD1500HLFS which is a
> similar 10,000rpm/SATA II/16Mb cache disk but with an improved seek
> time of 4.2ms over the ADFD's 4.6ms.
>
> The new model also has improved firmware so am I correct in assuming
> replacing the dead disk with the new model is a non-starter?

I might be missing the point, but what does the firmware in the
disk have to do with anything?

AFAICS this should just be a straightforward replacement.

Rich.

-- 
Richard Jones
Red Hat
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