device	rpm	size

sd30	10000	9
sd45	10000	9	group total 18G

sd31	10000	18
sd46	10000	18	group total 36G

sd60	7200	18
sd61	7200	18
sd75	7200	18
sd76	7200	18	group total 72G

sd62	7200	36
sd63	7200	36
sd77	7200	36
sd78	7200	36	group total 144G

RAID	12x36	

dhistory, dqueue, etc: need ~9GB
overview is about 0.5 of text spool
old text spool + overview: 100GB, 4 months

1x36G RAID hot spare
5x36G RAID raid5 for /news (4x36=144GB usable)
6x36G RAID striped for binaries (216GB)
4x36G+4x18G for binaries (216GB)

c5t5d0: 144gb raid5, newfs -i 65536
c5t5d1: 216gb raid0, newfs -i 1048576