Hang when importing pool

[Bob Friesenhahn]

On Tue, 31 Jul 2012, Karli Sjöberg wrote:

> Hi,
>
> I´m really struggling with this. I have had a pool with imported 
> filesystems from a Solaris system that had dedup activated. Then, 
> when the time came to erase them, it just stalled. When rebooting, 
> it stalled again at mounting filesystems, and since then, I´ve 
> installed two USB drives to act as root pool with 
> FreeBSD-9.0-RELEASE so that I could import the original pool in 
> recovery, but it always stalls after a couple of hours. Looking at 
> top, I could see that the 16GB RAM was maxed out, so I have heavily 
> tuned down kmem, arc, etc:

I think that you will need to find some way to temporarily add a 
dedicated L2ARC device (preferably an SSD or maybe iSCSI to a LUN on a 
machine with huge memory) or to find a machine with a lot more RAM.

Bob
-- 
Bob Friesenhahn
bfriesen at simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/