Hdparm F9 usb h\d

[Frank Murphy]

sdd is an external usb-h\d, which I use for rawhide testing.
Is there any way to tweak hdparm to spindown usb?
When not being used, no power button on h\d.



blkid
/dev/sda1: LABEL="/boot" UUID="512f6a75-532b-4db2-8aba-98ba97a1cadf"
TYPE="ext3" SEC_TYPE="ext2"
/dev/sda2: UUID="qtk9k9-hl1y-j94K-88KS-F7o7-gT1l-Up9mdL" TYPE="lvm2pv"
/dev/sdc1: LABEL="/work" UUID="77b0e426-be64-4a7e-9ece-335f2f31b7b8"
TYPE="ext3" SEC_TYPE="ext2"
/dev/sdd1: LABEL="/boot" UUID="e8bda74c-875a-48fd-9f44-8cd1d45f41b5"
SEC_TYPE="ext2" TYPE="ext3"
/dev/mapper/Fedora-Release09:
UUID="2a50acb7-a724-47ca-9bd5-fb567ac9a40f" TYPE="ext3"
/dev/sdb1: LABEL="/home" UUID="2e531668-de52-49d4-8830-57839bbc1dfd"
TYPE="ext3" SEC_TYPE="ext2"
/dev/Fedora/Release09: UUID="2a50acb7-a724-47ca-9bd5-fb567ac9a40f"
TYPE="ext3"
/dev/mapper/Fedora-Rawhide:
UUID="592d91e1-d33a-42ce-a3a5-f5a46ee02da5" SEC_TYPE="ext2"
TYPE="ext3"
/dev/sdd2: LABEL="/home" UUID="48fdc10e-1765-464b-af85-f00be38d542a"
SEC_TYPE="ext2" TYPE="ext3"
/dev/sdd3: UUID="xqYNNS-N3Kg-3HBV-2lir-Dd3T-jZy0-ykTV0O" TYPE="lvm2pv"


/sbin/hdparm -S 12 /dev/sdd

/dev/sdd:
 setting standby to 12 (1 minutes)
SG_IO: bad/missing ATA_16 sense data::  70 00 05 00 00 00 00 0a 00 00
00 00 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 HDIO_DRIVE_CMD(setidle1) failed: Input/output error


Frank