zfs-discuss@opensolaris.org
[Top] [All Lists]

Re: [zfs-discuss] Sub-divided disks and ZFS

Subject: Re: [zfs-discuss] Sub-divided disks and ZFS
From: Bob Friesenhahn
Date: Fri, 1 May 2009 13:38:20 -0500 CDT
On Fri, 1 May 2009, Eric D. Mudama wrote:

On Fri, May  1 at 11:44, Bob Friesenhahn wrote:
Hard drives are comprised of multiple platters, with typically an independently navigated head on each side.

This is a gap in your assumptions I believe.

The headstack is a single physical entity, so all heads move in unison
to the same position on all surfaces at the same time.

Ahhh. I see. That would explain why the idea has not been explored already. :-)

I think that what you're looking for, however, is already happening,
with server farms moving to multiple 2.5" drives from the larger 3.5"
drives.  Even on SATA drives, with NCQ the rotational speed doesn't

Yes. I was hoping to hasten things along with a firmware/software update rather than forklift replacement.

Bob
--
Bob Friesenhahn
bfriesen@xxxxxxxxxxxxxxxxxxx, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/
_______________________________________________
zfs-discuss mailing list
zfs-discuss@xxxxxxxxxxxxxxx
http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

<Prev in Thread] Current Thread [Next in Thread>