Re: power management of USB-connected disks

2010-07-20 Thread David Vasek
On Tue, 20 Jul 2010, David Gwynne wrote: On 20/07/2010, at 2:48 AM, Jan Stary wrote: I run a small server using an ALIX box and a CF card (wd0) plus two external disks (sd0, sd1) - see the dmesg at bottom. The CF card holds the system, while the two external disks are big storages that are on

Re: power management of USB-connected disks

2010-07-20 Thread Mike Erdely
On Tue, Jul 20, 2010 at 03:14:40PM +1000, David Gwynne wrote: > On 20/07/2010, at 2:48 AM, Jan Stary wrote: > > > I wonder whether there is something like atactl(8) that I could use > > to control the power management of these disks - spin them down > > when not used etc, to reduce noise and heat

Re: power management of USB-connected disks

2010-07-19 Thread David Gwynne
On 20/07/2010, at 2:48 AM, Jan Stary wrote: > I run a small server using an ALIX box and a CF card (wd0) > plus two external disks (sd0, sd1) - see the dmesg at bottom. > > The CF card holds the system, while the two external disks are > big storages that are only used sparsely; one of them is a (

power management of USB-connected disks

2010-07-19 Thread Jan Stary
I run a small server using an ALIX box and a CF card (wd0) plus two external disks (sd0, sd1) - see the dmesg at bottom. The CF card holds the system, while the two external disks are big storages that are only used sparsely; one of them is a (NFS exported) /backup dir that is only used for about