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Full Discussion: How to stop USB-HDD?
Special Forums Hardware Filesystems, Disks and Memory How to stop USB-HDD? Post 302481731 by Vourhey on Sunday 19th of December 2010 12:26:11 PM
Old 12-19-2010
How to stop USB-HDD?

Hi,

There is the following minor issue with USB-harddrive:
On windows: when i perform "safely remove" disk is stopped (hdd head is parking) & it is not spinning (but it is still connected to USB)
On Linux (Fedora 14, OpenSUSE): when i perform "umount", HDD is still spinning.

Could you please provide any info on how to stop disk when it is not used.
 

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USLSA(4)						   BSD Kernel Interfaces Manual 						  USLSA(4)

NAME
uslsa -- USB support for Silicon Labs CP210x series serial adapters SYNOPSIS
uslsa* at uhub? ucom* at uslsa? HARDWARE
The uslsa driver is known to work with the following adapters: Siemens MC60 Data Cable Suunto USB Serial Adaptor Helicomm IP-Link 1220-DVM Nokia CA-42 USB DESCRIPTION
The uslsa driver provides support for the Silicon Labs USB-to-RS-232 Bridge chip. The device is accessed through the ucom(4) driver which makes it behave like a tty(4). SEE ALSO
tty(4), ucom(4), usb(4) http://www.silabs.com. Silicon Laboratories AN571: CP210x Virtual COM Port Interface.. HISTORY
The uslsa driver appeared in NetBSD 4.0. AUTHORS
The uslsa driver was written by Jonathan A. Kollasch. Code and style was borrowed from existing NetBSD USB-serial drivers. CAVEATS
Settings other than 8 data bits, no parity, and 1 stop bit seem to be refused by the CP2101. BSD
January 17, 2012 BSD
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