>> On Wed, 25 Oct 2006 23:34:31 -0500, Roger Deschner <[EMAIL PROTECTED]> said:
> You probably want to avoid RAID5 for disk storage pools, whether > sequential or random. That can really slow client backups, because > RAID5 is quite slow for writing. RAID5 is really only good for > read-mostly applications, so at least you'll migrate quickly. You > probably want RAID10 instead, a striped set of mirrored pairs. (Make > sure your RAID10 implementation is NOT a mirrored pair of striped > sets, which is quite unsafe!) RAID10 is a less efficient use of raw > disk space, but both faster and safer than RAID5. And now for the counterpoint. I've got ~3-4 TB in 6 15-disk SSA RADI5s, between them I fill a Gb pipe coming in, if the clients on the other side ever get organized. 30MB/s peak per RAID is seldom the bottleneck. - Allen S. Rout
