Re: amd64 dualcore nad raid1
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.