6.1R使ってて、sysutils/ataidle 使ってる人いませんか？うまく動いてる
# ataidle -s -S 1 0 0
でＨＤＤ止まったっとおもったら、回りだしてしまいます。
で、コンソールに、↓でてしまう。
ad0: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=6961798

diskは↓
# atacontrol cap ad0

Protocol ATA/ATAPI revision 6
device model ST380023A
serial number 3KB05C5W
firmware revision 3.31
cylinders 16383
heads 16
sectors/track 63
lba supported 156301488 sectors
lba48 not supported 156301488 sectors
dma supported
overlap not supported

Feature Support Enable Value Vendor
write cache yes yes
read ahead yes yes
Tagged Command Queuing (TCQ) no no 0/0x00
SMART yes yes
microcode download yes yes
security yes no
power management yes yes
advanced power management no no 65278/0xFEFE
automatic acoustic management yes yes 128/0x80 128/0x80