[CentOS] Centos4: USB disk standby?

Mon Dec 15 10:54:30 UTC 2008
Rainer Traut <tr.ml at gmx.de>

Hi Christoph,

Am 15.12.2008 11:06, schrieb Christoph Neuhaus:
> Hi Rainer,
>
>> When the external disk is mounted, it does not go into
>> standby/sleep/whatever, though I'm using it only for 30minutes at night.
>>
>> Is there a way to do this with C4, 2.6.9-78.0.8.ELsmp?
>> E.g. unmount/some special command/upgrade to 5.2?
>
> man sg_start (part of the sg3_utils package). For a Western Digital MyBook
> I use:
>    sg_start 0 --pc=3 /dev/sda

that's exactly what I was looking for, have the same WD drive here.

I'm not in front of the server so I can only presume by the time it 
takes to mount/access - it does only standby when the filesystem is not 
mounted?

Thx
Rainer