When I run dmassage, the resulting modifications prevent using raid.
dmassage -f /bsd | config -e -o /nbsd /bsd
If I understand correctly, the softraid device is showing in the dmesg,
so it shouldn't get removed by dmassage.
excerpt from diff of dmesg's after dmassage and before dmassaging>
$ diff dmesg.dmassage dmesg
...
279,280c280,282
< root device vscsi not configured
< root device softraid not configured
---
vscsi0 at root
scsibus0 at vscsi0: 256 targets
softraid0 at root
294a297,299
scsibus1 at softraid0: 1 targets
sd0 at scsibus1 targ 0 lun 0: <OPENBSD, SR RAID 0, 003> SCSI2 0/direct
fixed
sd0: 7331MB, 512 bytes/sec, 15014913 sec total
This is on current i386
/Lars