I've 3 identical rd7963B disks I'm trying to partition/format.
disklabel will write to all of them. But, when I try to
newfs the last two, I get

rd3a: hard error sn-375
rd3 write error: v0 u0, R0x100 F0x0 A0x0 I0x0
P1-p10 0x00x600000x0

what does this mean?
I'm using the geom from disktab. They are 300mb disks.

bytessector 512
sectors/track 42
tracks/cyl 9
sectors//cyl 378
cyl 1572
total sectors 594216

TiA
		Nate