cvs commit: src/sys/sys mdioctl.h src/sys/dev/md md.c src/sbin/mdconfig Makefile mdconfig.8 mdconfig.c

Brooks Davis brooks at
Fri Sep 17 10:13:36 PDT 2004

On Fri, Sep 17, 2004 at 07:03:02PM +0200, Pawel Jakub Dawidek wrote:
> On Fri, Sep 17, 2004 at 10:29:47AM -0600, Scott Long wrote:
> +> >Uhm, be aware that we are limited also to the size of individual
> +> >swap disks.  31 bits of bytes/sectors/pages, not quite sure which.
> +> >
> +> 
> +> 32 bits of pages, unless there is somewhere in the chain that the 
> +> unsigned nature of the word is not being honored.
> Pages. It gives as maximum swap-backed device of 16TB. I tested it with
> ~15TB devices, so there is no signed/unsigned problem (which will limit
> us to 8TB). Of course you can always (I hope) increase page size:)

Given my quick read of the sunlabel format, there would be some value in
>16TB (17 would be sufficent) virtual disks.  Can we do a RAID0 of these
to get something that big?  I'm pretty sure sunlabel is limited to 14TB
or 16TB so having something too big would be good for testing.

-- Brooks

Any statement of the form "X is the one, true Y" is FALSE.
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