There is, unless it is in sleep mode. Check hdparm which can report the
driver power state: operation, idle, standby, sleep. The latter two with
stopped disks, the former two with spinning disks. To recover from sleep
mode, you will need a soft- or hardware reset.
-- Matthias Andree --- How to obtain PGP public key <mandree@dosis.uni-dortmund.de> <<< /finger/ this <m_andree@line.org> <<< mail, subject "SEND PGP-PUBLIC-KEY"- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/