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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