On Tue, May 09, 2006 at 12:10:32 +0200, "Jean-Yves F. Barbier" <7ukwn@xxxxxxx> wrote: > Naa, you can find ATA &| SATA ctrlrs for about EUR30 ! But those are the ones that you would generally be better off not using. > Definitely NOT, however if your server doen't have a heavy load, the > software overload can't be noticed (essentially cache managing and > syncing) It is fairly common for database machines to be IO, rather than CPU, bound and so the CPU impact of software raid is low. > Some hardware ctrlrs are able to avoid the loss of a disk if you turn > to have some faulty sectors (by relocating internally them); software > RAID doesn't as sectors *must* be @ the same (linear) addresses. That is not true. Software raid works just fine on drives that have internally remapped sectors.
