Just for the sake of completeness, here is some information about the disk in question:
cpu% cat /dev/sdD0/ctl inquiry SSDPAMM0008G1 config 044A capabilities 2B00 dma 00550010 dmactl 00000000 rwm 1 rwmctl 0 model SSDPAMM0008G1 serial CVPA8276824Q2 firm Ver2.I0H feat lba nop geometry 15761088 512 missirq 0 sloop 0 irq 169974 169971 bsy 0 0 nildrive 3 part data 0 15761088 part plan9 63 15759765 part 9fat 63 204863 part nvram 204863 204864 part fscfg 204864 204865 part fs 204865 14711189 part swap 14711189 15759765 Best, ak