Re: [zfs-discuss] FYI - proposing storage pm project

2008-11-05 Thread Jane . Chu
Nathan Kroenert wrote: Not wanting to hijack this thread, but... I'm a simple man with simple needs. I'd like to be able to manually spin down my disks whenever I want to... Anyone come up with a way to do this? ;) You can do that, but you'd need to write your own user application to

Re: [zfs-discuss] FYI - proposing storage pm project

2008-11-05 Thread Richard Elling
Nathan Kroenert wrote: Not wanting to hijack this thread, but... I'm a simple man with simple needs. I'd like to be able to manually spin down my disks whenever I want to... Anyone come up with a way to do this? ;) For those disks that support it, luxadm stop /dev/rdsk/... has

Re: [zfs-discuss] FYI - proposing storage pm project

2008-11-04 Thread Nathan Kroenert
Not wanting to hijack this thread, but... I'm a simple man with simple needs. I'd like to be able to manually spin down my disks whenever I want to... Anyone come up with a way to do this? ;) Nathan. Jens Elkner wrote: On Mon, Nov 03, 2008 at 02:54:10PM -0800, Yuan Chu wrote: Hi, a

[zfs-discuss] FYI - proposing storage pm project

2008-11-03 Thread Yuan Chu
Hi, The attached project has been proposed to the OpenSolaris PM community. thanks, -jane -- This message posted from opensolaris.orgStorage PM Project == Currently, the main challenges in power managing disks on server platforms are the issues of latency and

Re: [zfs-discuss] FYI - proposing storage pm project

2008-11-03 Thread Jens Elkner
On Mon, Nov 03, 2008 at 02:54:10PM -0800, Yuan Chu wrote: Hi, a disk may take seconds or even tens of seconds to come on line if it needs to be powered up and spin up. Yes - I really hate this on my U40 and tried to disable PM for HDD[s] completely. However, haven't found a way to do