[CentOS] Centos4: USB disk standby?

Christoph Neuhaus nihil14 at gmail.com
Mon Dec 15 10:06:16 UTC 2008

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


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