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Re: amd64 dualcore nad raid1

On Wed, Mar 22, 2006 at 11:53:58AM -0500, Lennart Sorensen wrote:
> On Wed, Mar 22, 2006 at 05:40:47PM +0100, Francesco Pietra wrote:
> > i intend to setup a workstation for quantum mechanical calculations (organic 
> > chemistry) with a couple of amd64 dualcore 265 and a couple of STA hard disks 
> > 360GB raid 1 (mirroring for security reasons).
> > 
> > Do you think that mainboard Tyan Thunder S2877ANDF x 2 Dual Opteron under 
> > debian testing/unstable provides adequate raid 1 support without going to 
> > expensive 3ware products? I plan to have 2GB ram, but that is not enough for 
> > the calculations and frequent access to disk occurs.
> > 
> > Remember that i am based in italy where the market is under rigid control by 
> > whom you can easily imagine so that it is not easy to get what one wants (for 
> > example main boards). i am happy when i meet a handler who follows my linux 
> > requests, most do not.
> raid1 is trivial to do with just the cpu.  Writing is simply writing the
> same data to both drives (no calculations requried) and reqding is just
> comparing the data (or just read one copy).  No need for hardware raid
> for raid1 at all.
> Len Sorensen

And from what I've heard, Linux's software raid is more reliable and 
simple than most hardware RAIDs.

-- hendrik

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