32GB limit per swap device?

David Wolfskill david at catwhisker.org
Tue Aug 9 15:46:48 UTC 2011

On Tue, Aug 09, 2011 at 05:26:46PM +0300, Daniel Kalchev wrote:
> I am trying to set up 64GB partitions for swap for a system that has 
> 64GB of RAM (with the idea to dump kernel core etc). But, on 8-stable as 
> of today I get:
> WARNING: reducing size to maximum of 67108864 blocks per swap unit
> Is there workaround for this limitation?

While FreeBSD cannot address more than 32GB per swap space, it permits
as many as 32 swap spaces to be active concurrently.  (Sorry; I'm not
finding the reference for this just now.)

David H. Wolfskill				david at catwhisker.org
Depriving a girl or boy of an opportunity for education is evil.

See http://www.catwhisker.org/~david/publickey.gpg for my public key.
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