raid tool

[Wojciech Puchar]

> If you replace "raid5" with "redundancy and n-1 capacity" then you could
> also look at geom_raid3, which is much simpler to configure than gvinum

and slower with random reads.

if he needs it for large files, then it's excellent.

> and also part of the base system. Additionally, FreeBSD 7.x has
> experimental support for ZFS (again in the base system and not in ports).
> That includes raidz, which is designed to have all of the good features
> of raid5 and none of the bad.

it gives performance of raid3 rather than raid5.