Summary: Re: Spin down HDD after disk sync or before power off

[Alexander Motin]

Tijl Coosemans wrote:
> On Sunday 24 October 2010 18:47:57 Alexander Motin wrote:
>> I am not sure, but have feeling that tape drives (for example) may
>> also benefit from head parking before powering down.
> 
> USB hard disks would benefit as well I think. Although, ideally it
> should happen after unmounting the last file system.

Depending on unmount would be excessively aggressive. Far from every
device close will be followed by unplugging. Same time nobody denies to
run `camcontrol stop daX` before unplugging.

USB disks are still "da". It would be more interesting to know if this
practice applicable to other kinds of SCSI devices.

-- 
Alexander Motin