On 2011/02/16 12:34, Steven R. Gerber wrote: > Now, I have an EXPERIMENTAL RAID 5 volume. Not the worst. > *** > sd9 at scsibus4 targ 0 lun 0: <OPENBSD, SR RAID 5, 004> SCSI2 0/direct fixed > sd9: 5723178MB, 512 bytes/sec, 11721070081 sec total > *** > But, EXPERIMENTAL RAID 5 is dangerous (Marco Peereboom). > OpenBSD softraid fully supports only RAID 0 (stripe) and RAID 1 > (mirror). RAID 0 provides NO redundancy (not really RAID). RAID 1 is a > waste beyond 2 disks. > I want/need to use 4 (or more) disks. > A real RAID (array) requires RAID 0+1 or RAID 1+0 or RAID 5 ...
Or two RAID 1 arrays? If at this point in time you want RAID 0+1 or RAID 5 on OpenBSD in any kind of supported way, get a RAID card. > A custom kernel with RAIDframe is starting to look good. It really is not.
