Re: ZFS committed to the FreeBSD base.

On Mon, May 21, 2007 at 04:40:31PM +0100, Vince wrote:
...
> I dont suppose that there are any other tunables people could suggest? I
> got a shiny new(well old but new to me) dual opteron board and dual 250
> sata drives and though i'd try putting it in as my home server with
> everything but / on zfs since i've had my /usr/ports on my laptop as
> compressed zfs since very shortly after it was commited.
> 	After a few kmem_map: too small" panics I re-read this thread and put
> vm.kmem_size_max and vm.kmem_size up to 512M and vfs.zfs.arc_min
> vfs.zfs.arc_max down to 65 megs. This did get me past "portsnap extract"
> but a make buildworld still got me the same panic.  vmstat -z showed a
> steady growth. This is with a generic -CURRENT from friday. I'm happy to
> provide any useful information once I get home and reboot it.

Are you running the opterons with a 32 or 64 bit kernel?

I set vfs.zfs.arc_max to somewhere between 75% and 80% of vm.kmem_size_max.

Darren